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luxury seaside houses for sale Marathon, United States

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15

Seaside property Marathon (United States)

Your Florida Keys address just got a lot more fun! Welcome to Slip B9 at Sombrero Marina--a liveaboard boat slip where your backyard is the water and your next adventure is always just a boat ride away. Whether you're looking for a full-time floating home, a Keys getaway, or simply your own spot to dock and enjoy island life, B9 is ready for you. Forget mowing the lawn--your days are for boating, fishing, sunset cocktails, and enjoying everything Marathon has to offer. Come tie up, settle in, and start living life the Keys way! This sale is for Slip B9 only. No boat is included or conveys with the sale.

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$275,000

By Ocean Sotheby's International Realty

30

House with pool and terrace Marathon (United States)

At the very tip of a private peninsula in the heart of the Florida Keys, this stunning Gulffront property delivers the ultimate waterfront lifestyle. Built in 2022, this 4,146 sq. ft. Coastal Modern residence was crafted by one of Marathon's premier builders with meticulous attention to detail, blending clean architectural lines with the relaxed elegance of island living. From the moment you arrive, the Gulf is your constant backdrop. Expansive walls of glass flood the interiors with natural light and frame endless turquoise waters. Every living area, from the two spacious lounges to the gourmet kitchen, was designed to maximize the view and the connection to the outdoors. The chef's kitchen is both beautiful and functional, featuring waterfall-edge quartz counters, premium stainless appliances, and abundant prep space. Whether hosting a casual brunch or an elegant dinner, this open-concept space flows seamlessly to indoor and outdoor gathering areas. Five ensuite bedrooms provide private sanctuaries for family and guests. The primary suite is a haven unto itself, offering a sitting area, spa-inspired bath, and a private porch where morning coffee comes with dolphin sightings and golden sunrises. Step outside to a personal resort: a shimmering pool with sun shelf, expansive patios for lounging, and a palm-lined peninsula with a fire pit at its tip. A deep-water dock, private boat basin, and 4-post lift make boating effortless, with 5' control depth ensuring smooth access to open water. This home offers the convenience of an elevator, an oversized 2-car garage, and low-maintenance construction designed for coastal living. Located 5 minutes from Marathon Jet Center, you can go from tarmac to tiki torch in record time. Whether it's a weekend escape, seasonal retreat, or full-time residence, this Gulf Front estate offers something truly rare: privacy, luxury, and the beauty of the Keys wrapped into one extraordinary address. Fantastic Rental History. Offer Turnkey.

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$5,499,000
385m²
5bedrooms
5bathrooms
land 0.2ha

By Annonceur International

30

Seaside house with terrace Marathon (United States)

Ultimate Waterfront Compound - A Rare Package Deal! A unique opportunity to own two exceptional oceanfront homes in Marathon, FL, offering breathtaking open water views, direct ocean access, and premium boating amenities. This combined offering provides a total of six bedrooms and four bathrooms, making it an ideal family compound, luxury retreat, or investment property with excellent rental potential. Property Highlights: Total of 141 feet of direct ocean frontage Two private seawalls (85 feet and 56 feet) with a boat lift and ramp Expansive open water views of the Atlantic Built for durability with impact windows, metal roofs, and elevated structures Exterior elevator for added accessibility (1043 property) Room for a pool with plans and quote available Covered parking and additional storage space Short-term rental potential with weekly rentals allowed The properties are situated in a prime location for boating, fishing, diving, and waterfront relaxation. With direct access to the ocean, the homes offer an unparalleled coastal lifestyle. Whether you are looking for a private retreat, a multi-generational family estate, or an investment opportunity, this offering provides the space, privacy, and flexibility to meet your needs. Do not miss this rare chance to own a piece of paradise in Marathon. Contact us today for more details on this exceptional waterfront package.

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$2,524,000
205m²
6bedrooms
4bathrooms
land 0.1ha

By Annonceur International

50
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Seaside house with pool and garden Marathon (United States)

Zephyr Cove; the extravagant, aquatically inspired retreat that you deserve. Located on the breathtaking waterfront nestled along the Gulf and was designed and built by D’Asign Source. This stunning estate invites you to experience the perfect balance of luxury, tranquility, and adventure. With both fresh and saltwater elements woven into its design, every detail has been thoughtfully crafted. At the heart of the property lies a lazy river loop infinity pool, complete with bridges, a swim-up pool bar with a gazebo, a spa with a table, a lap pool, beach-style entries, and a waterfall grotto plus a gas fire pit, and putting green. Whether you’re floating under the sun, entertaining guests, or enjoying a peaceful evening by the water, this home was manifested for unforgettable moments. Grand main residence vaunts an impressive private primary wing and elegant open spaces designed for both comfort and entertainment. Indoor amenities include a temperature-controlled wine room, game room, home theater, fitness center, and conference room, offering endless ways to unwind and enjoy life. Two additional charming two-bedroom villas and a separate two-bedroom guest house are perched next door, perfect for hosting family and friends with style and privacy. Designed for the ultimate coastal lifestyle with outdoor kitchen and dining areas set against breathtaking Gulf views, ideal for entertaining or simply soaking in the beauty of your surroundings. Ample dockage and multiple boat lifts for your toys, located right between Vaca cut and Tom’s Harbor Cut for easy Ocean access. Tropical gardens enhance the natural beauty of this property. Expansive garages and storage spaces provide ample room for vehicles, boats, and all of your coastal essentials. Whole-home 130kw generator in its own private structure, ensuring peace of mind no matter the season. This is where everyday life feels like you’re being pampered at a lavish resort. Step into a world where the beauty of nature meets unparalleled craftsmanship and let the magic of the Gulf welcome you home.

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$35,000,000
885m²
9bedrooms
10bathrooms
land 0.8ha

By Ocean Sotheby's International Realty

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30

Seaside house with pool and garden Marathon (United States)

Welcome to prestigious Sombrero Isle, one of the Middle Keys' most exclusive waterfront communities. This exceptional 4-bedroom, 4-bath residence blends timeless elegance with the relaxed luxury of the Florida Keys lifestyle. Step inside to a grand living room highlighted by soaring volume ceilings, gleaming marble floors, a gracefully curved staircase, and a wraparound mezzanine that leads to the spacious bedrooms and private guest quarters. Designed for both everyday living and entertaining, the home offers an open, inviting atmosphere with impressive Mediterranean architectural details throughout. The well-appointed kitchen features granite countertops, stainless steel appliances, and abundant cabinetry, providing both style and functionality. Outdoors, enjoy your own tropical retreat with a heated freeform swimming pool and over 40 feet of dockage with approximately 5 feet of controlling depth, offering convenient access for a variety of boats. Nestled within the private island community of Sombrero Isle, this intimate enclave consists of only 32 waterfront homes, each situated on approximately one-half acre. Boaters will appreciate the quick access via Sister's Creek to the Atlantic Ocean and some of the finest fishing and diving waters in the United States. Residents also enjoy close proximity to the renowned Sombrero Beach, scenic parks, shopping, fine dining, and vibrant local restaurants and waterfront bars. Marathon International Airport is just 10 minutes away, making travel to and from paradise effortless. Experience the perfect combination of luxury, privacy, and premier boating access in one of Marathon's most coveted waterfront neighborhoods.

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$2,800,000
286m²
4bedrooms
3bathrooms
land 0.3ha

By Annonceur International

50

Seaside house with pool and garden Marathon (United States)

Perfectly positioned on an expansive corner lot within the exclusive island enclave of Duck Key, this exceptional 3-bedroom, 3-bath residence captures breathtaking ocean views and a sense of openness rarely found in the Keys. Set directly across from the ocean and adjacent to a privately owned great lawn, the property enjoys an enhanced feeling of space, privacy, and tranquility. The upper level offers 2 bedrooms and 2 full baths, thoughtfully designed to maximize natural light and showcase stunning water views. The open-concept living, dining, and kitchen spaces flow effortlessly together, creating an airy, sun-filled interior where the outdoors become part of everyday living. Sliding glass doors from both the primary suite and main living area open to a beautiful balcony, where sweeping ocean views create a captivating backdrop from sunrise to sunset. From the moment you enter, the views command your attention. The lower level offers a 1-bedroom, 1-bath layout with laundry and is designated as legal non-conforming--ideal for guests, extended family, or flexible lifestyle needs. Outside, a spectacular private resort-style pool creates a true tropical retreat, complete with a cascading waterfall, spray fountains, and a zero-entry beach-style entrance. Life in Duck Key is about far more than the home itself. This sought-after island community offers walkability, golf-cart convenience, and relaxed coastal elegance. Enjoy two marinas with fuel, boat storage, and watersport access, along with optional Club Duck Key amenities including pickleball, tennis, swimming, and a vibrant social atmosphere. Two island restaurants further enhance the ease of daily living. Perfectly positioned midway between Miami and Key West, Duck Key offers exceptional convenience with easy access to Marathon and its private airport, all while preserving the privacy, charm, and exclusivity of island living. This is your chance to embrace the island life.

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$1,195,000
140m²
3bedrooms
3bathrooms
land 0.1ha

By Ocean Sotheby's International Realty

30

Seaside house with pool and terrace Marathon (United States)

New construction waterfront living in the heart of Coco Plum. This beautifully designed 4-bedroom, 3-bath residence combines modern coastal style, exceptional outdoor living, and direct boating access in one of Marathon's most desirable waterfront neighborhoods. Thoughtfully positioned to take advantage of the setting, the home offers expansive open-water views from nearly every room and a bright, open-concept layout designed for both everyday living and entertaining. The main living level features a spacious living and dining area surrounded by natural light and water views, along with two guest bedrooms and a full bath. Upstairs, two generously sized primary suites each feature private en-suite baths and elevated panoramic views, creating peaceful private retreats above the water. Outdoor living is a true highlight, with three covered terraces spanning both levels, a large resort-style pool, and a convenient poolside prep station with sink and storage. Whether hosting guests, relaxing by the pool, or enjoying a quiet morning overlooking the water, the home is designed to embrace the Florida Keys lifestyle. Boaters will appreciate approximately 50 feet of deep-water dockage with quick ocean access, along with a fish-cleaning station, bait freezer, and covered parking for added convenience. Ideally located near Coco Plum Beach and just minutes from Marathon's dining, shopping, and attractions, this newly constructed waterfront residence offers an exceptional combination of modern comfort, boating access, privacy, and island living, perfect as a full-time residence, vacation retreat, or investment property.

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$2,395,000
194m²
4bedrooms
3bathrooms
land 0.1ha

By Annonceur International

44

Seaside house with pool Marathon (United States)

Fully licensed 7 day vacation rental property now offered at Bonefish Yacht Club Townhomes, a Middle Keys premiere boating community cloistered around the 50 slip Bonefish Marina. Resort style living in this sought after oceanfront complex of only 34 homes. Conveys with A-16, a deep water, direct ocean access, 40' liveaboard boat slip. Other amenities featured are; swimming pool, tiki, meticulously maintained tropical landscaping, tennis and private beach access. Unparalleled views of the marina and Key Colony Channel. Two story townhome with covered parking and secure angler's room on the lower level, kitchen, living, dining on the main level and two spacious bedrooms with full baths on the third floor. Private, open air balconies to enjoy both sunrise and sunset. Concrete construction, impact windows and metal roof. Excellent for a full time residence, Keys fishing getaway or investment property as a income producing weekly rental. A true pleasure to show.

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$1,250,000
133m²
2bedrooms
3bathrooms
land 0ha

By Ocean Sotheby's International Realty

30

Seaside house with pool and garden Marathon (United States)

Enjoy endless ocean views from this charming Florida Keys waterfront retreat. Sitting on the edge of the Atlantic just one house in from open water, this stilted 2-bedroom, 2.5-bath CBS home also offers possible 3-bedroom flexibility and is a true boater's dream with 85 feet of waterfront frontage, concrete seawall, a 13,500 lb boat lift, deep-water dockage, and instant access to the Atlantic. The channel is slightly right as soon as you come out of the canal, placing you just minutes from Sombrero Light and some of the best boating, fishing, and diving the Keys have to offer. The home features a spacious, light-filled layout with a large living area, generous waterside windows, and sliding glass doors that frame the ocean views and open to east-facing covered porches on two levels. Inside, you'll find a comfortable eat-in kitchen with stainless steel appliances, abundant natural light, generous storage, walk-in closets, and impact windows and doors for added peace of mind. Outdoor living is the highlight, with a new waterfront pool and hot tub, expansive deck, large waterside porch, fenced yard, tropical landscaping, and multiple spaces to relax, dine, entertain, or simply take in the ocean breeze. Additional features include a garage, CBS construction, metal roof, travertine-paved driveway, inviting covered patio areas, and a large front yard offering flexibility for additional parking, boat/RV storage, or future use. The home is also available furnished, offering added convenience for those ready to start enjoying the Keys lifestyle right away. With open water just moments away, this Marathon property offers the perfect blend of boating, ocean views, poolside relaxation, and laid-back Keys living. This one is a must-see to truly appreciate.

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$2,299,000
196m²
2bedrooms
2bathrooms
land 0.1ha

By Annonceur International

48

Seaside house with pool and terrace Marathon (United States)

This stunning oceanfront end-unit townhome in the exclusive Bonefish Yacht Club offers the perfect blend of luxury living and resort-style amenities in the heart of the Florida Keys. Nestled within a private 34-residence community set across more than four acres of beautifully maintained tropical grounds, the property captures the feel of a secluded oceanside retreat. This residence conveys with a 40' legal liveaboard boat slip, providing deep-water dockage and immediate ocean access--an exceptional feature for serious boaters. Inside, the home offers 1,751 sq. ft. of light-filled living space featuring a gourmet chef's kitchen with stainless steel appliances, a dedicated dining area, and an open-concept living room that flows seamlessly to a waterside balcony overlooking the marina--perfect for alfresco dining and entertaining. The spacious primary suite features a private waterfront balcony, walk-in closet, and a beautifully appointed ensuite bath. The guest suite also enjoys its own balcony, a full bath, and generous closet space. The ground level includes a private garage and storage area, ideal for a vehicle, fishing equipment, and water toys--perfect for the avid angler. Bonefish Yacht Club residents enjoy exceptional amenities including a heated and chilled waterfront pool with expansive sun deck, a tiki lounge gathering area with wet bar and seating, tennis/pickleball courts, and a private community beach. Offering breathtaking water views, deep-water dockage, and beautifully maintained resort amenities, this residence delivers a rare opportunity to enjoy luxury waterfront living with effortless access to world-class boating, fishing, and the best of the Florida Keys lifestyle.

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$1,295,000
163m²
2bedrooms
3bathrooms
land 0ha

By Ocean Sotheby's International Realty

50
Video

Seaside house with pool and terrace Marathon (United States)

A rare opportunity to own a fully renovated waterfront home that delivers both the Florida Keys lifestyle and exceptional investment potential. Offering five legal bedrooms, three legal bathrooms, and seven-day vacation rentals, this turnkey property presents projected rental income of up to $170,000 annually (per pro forma), making it equally appealing as a primary residence, second home, or income-producing investment. Located on a deep-water canal with approximately 75 feet of concrete dockage, a boat lift, fish-cleaning station, and private pool, you'll enjoy quick, easy access to the Gulf and the Atlantic through Vaca Cut--putting world-class fishing, sandbars, waterfront restaurants, and open water just minutes from your dock. Inside, the home has been completely reimagined with designer finishes throughout. An open-concept floor plan, beautifully renovated kitchen and baths, and light-filled living spaces create a sophisticated yet relaxed coastal retreat that's ready to enjoy from day one. With generous parking for vehicles and trailers, ample outdoor entertaining space, and one of Marathon's most desirable boating locations, this property offers a rare combination of luxury, convenience, and strong income potential. Whether you're looking for a high-performing vacation rental or your own private piece of the Florida Keys, this home delivers the best of both.

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$2,095,000
253m²
5bedrooms
3bathrooms
land 0.1ha

By Ocean Sotheby's International Realty

50

Seaside property with pool Marathon (United States)

of Marathon’s most vibrant & amenity rich, waterfront communities, this beautifully appointed 2 bedroom, 2 bath residence offers the ideal blend of island living, convenience, and value; without the traditional Florida Keys price tag. From the moment you arrive, the setting feels elevated, vibrant and unmistakably island inspired. Ideally situated within the community offering beautiful open water views, this residence enjoys a premier location with sweeping vistas from the top-level balcony, perfect for morning coffee or sunset cocktails. Inside, the light-filled interior features a stylish granite and stainless-steel kitchen, central air, interior laundry, and thoughtfully designed living spaces. Enjoy covered parking, under-home space, and easy access to the dock and waterfront gathering areas. Resort-style amenities include a beautiful pool, kayak launch, fire pits, outdoor kitchen, sun deck, and community lounge spaces. Walk, bike, or golf cart to waterfront restaurants, bars, live music, kayak and jet ski rentals, the iconic Seven Mile Bridge, and the scenic pedestrian bridge. $22,500 in secured rental income already in place for 2027. One of the most affordable newer construction opportunities in the Keys offering this level of lifestyle, amenities, and location. Please note: ownership is subject to monthly lot rent.

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$464,950
89m²
2bedrooms
2bathrooms

By Ocean Sotheby's International Realty

50

Seaside house with pool Marathon (United States)

Discover the potential of this concrete constructed, waterfront pool home tucked away on tranquil Flamingo Island. Offering the ideal opportunity to renovate, personalize, and create your own Florida Keys retreat, this property features three bedrooms, two bathrooms, and nearly 1,300 square feet of interior living space. More than 600 square feet of screened porches invite relaxed indoor-outdoor living, while over 500 square feet of enclosed storage provides valuable additional space for boating gear, bicycles, fishing equipment, and more. Boaters will appreciate the newly constructed 60-foot wood dock, completed in 2025, along with excellent deep-water access through nearby Sister Creek. After a day on the water, unwind beside the concrete pool or enjoy the peaceful island surroundings. Additional improvements include a metal roof installed in 2020 and termite tenting completed in 2025 by Hammerhead Termite Control. Located behind the Florida Keys Golf and Country Club, Flamingo Island is a quiet, dog-friendly waterfront neighborhood close to everything Marathon has to offer. Take the golf cart to Sombrero Beach, Publix, nearby restaurants, and local conveniences. With superior concrete construction, substantial dockage, a private pool, generous outdoor living areas, and an inviting waterfront setting, this fixer-upper presents a rare blank canvas ready to be transformed into your ideal Keys escape.

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$1,195,000
115m²
3bedrooms
2bathrooms
land 0.1ha

By Ocean Sotheby's International Realty

16

Seaside house with pool and garden Marathon (United States)

Casa Mañana Shores, located in the heart of Marathon, is a developer's dream or a private owner's potential paradise. This secured gulf front estate offers 3.86 acres of land and is surrounded by an eight foot concrete wall with three gated entrances. The property boasts approximately 540 linear feet of Highway frontage and 695 linear feet of water frontage. It offers 218 feet of concrete seawall, including a cut-in protected boat slip. There is even room for a helicopter landing pad to be installed. This unique property is zoned mixed-use commercial and comes with one commercial transferable building right. It is currently a private residence with a separate garage and workshop. The 10,852 square foot mansion is solid concrete construction. It has six bedrooms, ten and a half bathrooms, a sauna, game room and great room. Repairs are needed, and the interior needs significant updating. An attached partially screened enclosure holds an impressive 12 ft deep swimming pool that measures 25 x 50 ft. The garage/workshop is a separate structure with two rooms with a mini split air conditioner. The existing structures could be demolished for those with a vision, leaving you with a 3.86 acre blank canvas in the center of town. Its versatile zoning designation offers multiple possibilities for residential and/or commercial use. Over the years it has previously housed a motel with a marina, a 19-unit trailer park, and a restaurant. This property presents the opportunity to create the ultimate secluded retreat of your dreams!

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$9,500,000
1,008m²
6bedrooms
11bathrooms
land 1.6ha

By Ocean Sotheby's International Realty

30

Seaside house with pool and garden Marathon (United States)

Welcome to Palacio Coco Plum. Discover Your Florida Keys Oasis! Spectacular Ocean Front home in Marathon, the heart of the Florida Keys. This stunning property boasts luxury finishes throughout, including elegant marble floors, granite counters and volume coffered ceilings. Key Features include: His and Her ocean facing office, ideal for remote work or study, ocean views from most all rooms, white sand beach. privacy landscaping and massive car and equipment storage for multiple vehicles and hobbies. Boat Dockage Permitting is in Progress. Additionally, there is a whole house generator for back-up power, elevator from garage to top floor, heated and chilled pool and spa. The lovely gardens include mature mangoes and avocado trees and orchid trellis. 10 Minutes to Marathon International Airport. ADT Camera Security System on site

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$15,000,000
631m²
5bedrooms
4bathrooms
land 0.4ha

By Annonceur International

50
Video

Seaside house with pool Marathon (United States)

Enter the bougainvillea-lined gates of Casa Feliz, a private oceanfront retreat on Grassy Key with expansive water views, white sand beach, and a true resort-style experience in the Florida Keys. An exceptional investment opportunity, Casa Feliz is a strong producing vacation rental with rental history and future bookings already in place. Set on over 24,000 square feet of lush grounds with mature landscaping, fruit trees, fresh herbs, and .29 acres of bay bottom, this exceptional estate is designed for both relaxation and entertaining. A 148-foot observation dock invites kayaking, paddleboarding, fishing, and endless enjoyment of marine life, while the unique orientation captures both breathtaking sunrise and sunset views over the water, a rare and coveted feature in the Keys. Outdoor living is elevated with a resort-style saltwater pool featuring cascading waterfalls, spillover spa, and fully equipped poolside cabana complete with wet bar, refrigerator, ice maker, and cooking area. A fire table and beachside fire pit create the ultimate setting for entertaining or unwinding beneath the stars. Completely renovated down to the studs in 2022, the three-story residence was thoughtfully redesigned to maximize sweeping ocean views from nearly every room. Offering four custom bedroom suites, each with private en-suite bath, the home comfortably accommodates guests in luxury. The top-floor penthouse suite features a private balcony, 180-degree ocean views, custom 96-inch circular bed, and kitchenette with coffee station. Expansive accordion impact glass doors seamlessly blend indoor and outdoor living throughout. The gourmet kitchen showcases Café appliances, induction cooktop, quartz countertops, mosaic tile backsplash, wine cooler, glass shelving, and multiple dining areas ideal for hosting. Additional highlights include a movie theater, library loft, Control4 smart technology, custom millwork, local artist mural, and more. Discover why Grassy Key is the place to be.

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$3,495,000
226m²
4bedrooms
4bathrooms
land 0.3ha

By Ocean Sotheby's International Realty

22

Seaside property Marathon (United States)

A rare opportunity to own a 50-foot legal liveaboard boat slip at Bonefish Marina, one of the most desirable and well-managed marinas in the Middle Florida Keys. This oceanside marina offers protected dockage while providing quick, deep-water access to the Atlantic Ocean, making it ideal for cruisers, sportfishermen, and liveaboard enthusiasts alike. Bonefish Marina is a boating community comprised of 50 slips, thoughtfully designed to combine comfort, security, and convenience. Owners enjoy off-street parking, on-site laundry facilities, ice machine, bathhouse with showers, a welcoming clubhouse/common area, and a workshop space for light maintenance and projects. A dockmaster is on site, adding an extra level of oversight and peace of mind, and monthly rentals are permitted, offering flexibility for personal use or income potential. The marina's prime location places you just minutes from Coco Plum Beach, one of Marathon's most beloved sandy beaches. Known for its laid-back atmosphere, Coco Plum Beach offers expansive shoreline, shallow entry waters, and stunning sunrise views—perfect for morning walks, swimming, kayaking, or simply relaxing with your toes in the sand. It's a true island amenity rarely found so close to a liveaboard marina. Situated in the heart of the Middle Keys, Bonefish Marina provides easy access to local restaurants, shopping, fuel docks, and world-class fishing, diving, and boating destinations. Whether you're seeking a full-time liveaboard lifestyle, a seasonal base of operations, or a flexible investment in the Florida Keys boating market, this slip delivers an exceptional combination of location, amenities, and ocean access.

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$325,000

By Ocean Sotheby's International Realty

30

Seaside contemporary house with pool and terrace Marathon (United States)

Discover elevated waterfront living in this newly constructed custom two-story concrete residence, offering 4 spacious bedrooms, each with its own private en-suite bath. Thoughtfully designed for both comfort and entertaining, the home features a seamless open-concept layout that effortlessly connects indoor and outdoor spaces. At the heart of the home is a designer chef's kitchen appointed with premium stainless steel appliances, including double convection ovens, a smart refrigerator, dishwasher, vented range hood, and wine cooler. A large center island with prep sink, quartz countertops, custom cabinetry, and elegant LED pendant lighting complete the space. Throughout the home, porcelain tile flooring, designer finishes, and expansive windows create a bright and sophisticated atmosphere. A first-floor guest suite offers balcony access with views overlooking the pool, dock, and canal. The striking floating staircase, accented by a custom LED chandelier, leads to the upper level where three additional en-suite bedrooms await. The luxurious primary suite serves as a private retreat, featuring a freestanding soaking tub, dual vanities, an oversized porcelain tile shower, and a MOEN smart multi-head shower system with app-controlled temperature and spray settings. Additional features include impact windows and doors, a web-connected security camera system, energy-efficient LED lighting, 8-foot interior doors, 4K Smart TVs throughout, dual 3-ton 16 SEER air conditioning systems, a standing seam metal roof, aluminum railings, and spacious balconies on both levels. The property offers dual staircases leading to the outdoor living area, a 12' x 26' custom pool and a 50 foot dock. Ideally located in Marathon's desirable Flamingo Island neighborhood, this exceptional property is just minutes from Sombrero Beach, restaurants, and local attractions. Built with quality, durability, and style in mind, this remarkable waterfront home captures the essence of luxury living.

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$2,799,000
230m²
4bedrooms
4bathrooms
land 0.1ha

By Annonceur International

49

Seaside house with pool Marathon (United States)

Welcome to your dream escape in the Florida Keys. This spacious 3-bedroom, 3-bath oceanfront townhome in the highly sought-after Bonefish Yacht Club Townhomes offer the perfect blend of coastal and laid-back island living. Set within an intimate marina community of just 34 residences nestled among lush tropical landscaping, this home feels both private and resort-like and also conveys with a deeded boat slip in Bonefish Marina (B-34). Enter through the foyer and up to two levels of open living, with 1,769 sq. ft. thoughtfully oriented for comfort, water views, and easy entertaining. The chef's kitchen features generous cabinetry, ample counter space, and an inviting eat-in island that flows seamlessly into the main living area, where sliding glass doors open to a spacious waterfront balcony overlooking the Key Colony Channel--watch charter boats head out with your morning coffee and return as you relax with a sunset cocktail. The primary suite is a serene retreat with its own private balcony, walk-in closet, and ensuite bath, while two additional bedrooms offer flexible space for guests, family, or a home office, each with access to well-appointed baths. On the ground level, a private garage and generous storage provide the perfect place for fishing gear, paddleboards, and all your Keys lifestyle essentials. Residents enjoy a temperature-controlled pool, expansive sun deck, tiki lounge with wet bar, tennis and pickleball courts, and a private sandy beach. This is a rare opportunity to own a turnkey, single-family attached townhome with a boat slip in one of the Keys' most desirable waterfront communities where every day feels like a vacation. New roof in 2023 and new A/C in 25 with 12 year warranty.

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$899,000
164m²
3bedrooms
3bathrooms
land 0ha

By Ocean Sotheby's International Realty

50

Seaside house with pool Marathon (United States)

Experience refined oceanfront living on sought-after Duck Key. This double lot estate offers 138 feet of protected deepwater dockage, complete with a solid concrete seawall designed to accommodate a sportfishing yacht, multiple center consoles, and all of your waterfront lifestyle needs. A true boater's paradise, this property offers both privacy and exceptional access to the Atlantic Ocean. The fully remodeled residence is constructed of concrete with a new roof. Inside, seven spacious bedrooms and six bathrooms provide ample accommodations for family and guests. Coastal-inspired interiors feature wood-look tile flooring throughout, woven statement light fixtures, and soaring ceilings with exposed beams and pecky cypress accents. Expansive impact windows and doors frame sweeping ocean views, bringing natural light into nearly every room. The gourmet kitchen anchors the main living space as the heart of the home, with a striking 12' island that creates the perfect setting for gatherings. Outfitted with top-of-the-line appliances, this space is equally suited for everyday living with family or hosting unforgettable evenings of entertaining. Spa-like marble bathrooms further elevate the home, blending comfort with luxury. Designed for both style and function, the property also offers a rare 4+ car garage and abundant storage. Outdoors, a sparkling pool invites afternoons in the sun, while the expansive double lot offers unmatched opportunities for expansion. Whether envisioning a private guest house, a tennis or pickleball court, or exploring the option to build and sell, this rare property provides endless possibilities for both personal enjoyment and investment potential—an uncommon luxury in the Florida Keys. Balancing modern sophistication with coastal simplicity, this sanctuary captures the essence of waterfront living from sunrise over the Atlantic to evenings by the water, in one of the most desirable neighborhoods in the Florida Keys.

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$7,199,000
372m²
7bedrooms
6bathrooms
land 0.3ha

By Ocean Sotheby's International Realty

37

Seaside house with pool and terrace Marathon (United States)

Blue Lagoon, Pool Home in Marathon with pee-a-boo Ocean Views with Weekly Rentals! Currently rented Months Jan thru end April 2027! Embrace the laid-back Florida Keys lifestyle in this charming tropical cottage, ideally located in the desirable Little Venice subdivision of Marathon. Offering 2 bedrooms, 2 bathrooms, and beautiful peek-a-boo ocean views, this bright and airy stilt home is perfectly designed for both relaxation and entertaining. The spacious deck provides the perfect setting for enjoying ocean breezes, morning coffee, or evening gatherings with family and friends. Inside, the open-concept living area features vaulted ceilings and abundant natural light, while the updated kitchen boasts stainless steel appliances, granite countertops, and ample cabinetry for effortless entertaining. Recent improvements include updated bathrooms, a new A/C system (2023), hot water heater (2026), and a durable metal roof (2013). Tastefully furnished with coastal-inspired décor, this home is being offered fully furnished, making it move-in or rental ready. Situated on a rare double corner lot, the property features a sparkling in-ground heated pool surrounded by tropical landscaping, along with covered parking, generous workshop/storage space below, and ample room for boat and trailer parking. An assumable low-cost flood insurance policy adds additional value and peace of mind.

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$724,500
109m²
2bedrooms
2bathrooms
land 0.1ha

By Ocean Sotheby's International Realty

50

Seaside house with pool Marathon (United States)

Duck Key Pool Home with Legal Downstairs Living & Exceptional Flexibility. Beautifully updated 4BR/3BA pool home on the desirable island of Duck Key, thoughtfully renovated with permits and designed for comfortable coastal living. A standout feature of this home is the legal, permitted downstairs living area (pre-1973), which offers a private space complete with a living room, bedroom, bath, and kitchenette. This flexible layout is ideal for extended family, long-term guests, or creating a separate retreat within the home--an increasingly rare advantage in the Florida Keys. Upstairs, the main living area features updated finishes and generous closet space throughout, providing both comfort and functionality. The home is offered fully furnished and move-in ready, allowing for immediate enjoyment. Step outside to your own private tropical setting, featuring: a sparkling pool and tiki hut for entertaining; lush landscaping with pineapple, fig, starfruit, and avocado trees; a private putting green; and partial Atlantic Ocean views. Additional highlights include two attached garage spaces and access to a voluntary homeowners clubhouse. Conveniently located near Duck Key Marina and Hawk's Cay Resort amenities, with optional memberships available. A rare opportunity to own a versatile, move-in-ready home in one of the Florida Keys' most sought-after communities. Check out the marina and the perks of being a homeowner on Duck Key. https://www.duckkeymarina.com/ for boat slips, https://hawks-cay-resort.playbypoint.com/f/hawks-cay-resort/memberships, https://www.hawkscay.com/, and http://www.clubduckkey.com/ for memberships! All in your backyard.

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$1,374,499
234m²
4bedrooms
3bathrooms
land 0.1ha

By Ocean Sotheby's International Realty

30

Seaside house with pool and garden Marathon (United States)

Welcome to Morton Manor, an exceptional gulf-side waterfront estate set on 2.82 private acres where luxury, privacy, and resort-style living come together in this extraordinary Florida Keys compound. Encompassing 8,515 sq. ft. of living space, this property features a 5-bedroom, 4.5 bath CBS main residence accompanied by two detached guest homes and a garage apartment, offering a total of 11 bedrooms and 8.5 baths designed to comfortably accommodate family and guests alike. The main home showcases an open-concept floor plan with expansive living and dining areas, two wet bars, elevator access, multiple laundry areas, and spacious guest accommodations, creating an ideal setting for both everyday living and large-scale entertaining. The detached bungalows and garage apartment provide additional flexibility for extended family, visitors, or exceptional rental opportunities while maintaining privacy throughout the estate. Impact-rated windows and doors, a durable metal roof, and quality construction provide lasting peace of mind. The outdoor amenities rival those of a private resort. Relax beside the pool, gather beneath multiple tiki huts, challenge friends to a game on the pickleball court or putting green and enjoy beautifully landscaped grounds. Boating enthusiasts will appreciate the 100' dock complete with 30-amp and 50-amp shore power, yacht dockage and 10K & 20K lb boat lifts. Positioned on the gulfside, the property offers easy access to world-class fishing, boating, snorkeling coves, sandbars, and unforgettable sunset cruises. Dining, marinas, and shopping are less than ten minutes away, and the Florida Keys Marathon International Airport is approximately 4 miles from the property for seamless private aviation access. Whether you're searching for a private family compound or an exceptional investment opportunity, Morton Manor offers a rare combination of acreage, waterfront living, luxury amenities, and versatility that is seldom found in the Florida Keys.

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$14,995,000
791m²
11bedrooms
8bathrooms
land 1.1ha

By Annonceur International

4 listings near Marathon

Nearby
30

Seaside house with pool and garden Key Colony Beach (United States)

Join us for Brokers Open House today 4-6 pm! This stunning, fully renovated waterfront home in Key Colony Beach offers the ultimate Florida Keys lifestyle, combining high-end finishes with practical, top-tier enhancements for durability and comfort. Step into a bright, open-flow sanctuary anchored by wood-look tile flooring and crisp custom shiplap walls. The heart of the home is a culinary showpiece, featuring an expanded island with hand-selected quartzite countertops, a farmhouse sink, and an instant hot water system. The sunroom offers an elevated retreat with its tongue-and-groove ceiling, while the bathrooms have been transformed with sleek barn-door glass showers and designer finishes. Designed for the elite boater, the outdoor oasis features a 15,000 lb boat lift and a newly replaced dock (2026). The backyard is a private tropical resort, finished with limestone pavers, a composite raised deck, and a brand-new tiki hut. For the dedicated angler, the garage is thoughtfully equipped with a commercial-grade ice maker and a dedicated bait freezer, ensuring you are always ready for a day on the reef. Every inch of the property has been modernized, from the hurricane impact glass that frames every view to the all-new PVC sewer infrastructure installed in 2023. The saltwater pool is optimized for year-round perfection with a dedicated heater and chiller, while new landscaping and privacy palms create a secluded sanctuary. A circular paver driveway and an expanded outdoor storage closet provide the final touches of convenience to this masterpiece. Call today for your private tour! No sign on the property.

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$2,980,000
205m²
3bedrooms
2bathrooms
land 0.1ha

By Annonceur International

Nearby
24

Seaside house with terrace Key Colony Beach (United States)

Nicely renovated 2BD/2BA waterfront half-duplex in vibrant Key Colony Beach, offering impressive water views from both the front and back of the home. Stilted concrete construction, metal roof and impact windows make the insurances extremely affordable. Wake up to glowing sunrises over the water and wind down with color-soaked Keys sunsets from your private balconies perfect for morning coffee, sunset cocktails, and effortless indoor-outdoor living. A deep-water pier-style dock accommodates boats up to 40 ft giving you instant access to world-class fishing, diving, and boating. Designed for adventure and convenience, the property includes parking for up to 3 vehicles, 2 covered spaces beneath the home and an additional uncovered driveway space ideal for extra parking or a boat trailer. A dedicated tackle room keeps gear organized and ready for your next trip offshore. Everything you love about Key Colony Beach is within easy walking distance, Sunset Park for oceanfront strolls and nightly sunsets, the Key Colony Beach Golf Course, tennis and pickleball courts, the Cabana Club with oceanfront pool and beach access (membership-based), and the Key Colony Beach Marina. Restaurants, walking paths, and the island's friendly, laid-back atmosphere are all right at your doorstep. With 7-day rentals permitted, this property offers excellent vacation-rental potential in one of the most desirable waterfront, boating communities in the Middle Keys. A bright, breezy coastal escape and always a pleasure to show.

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$849,000
91m²
2bedrooms
2bathrooms
land 0ha

By Ocean Sotheby's International Realty

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