luxury houses with terrace for sale Key Colony Beach, United States

HUGE 4 Bed 4 Bath Concrete Home with pool and hot tub, and 75' of dockage on a deep and clear canal. Newer (2022) Custom Concrete home with just under 2100 square feet with 3 Master Suites! Split Floor Plan with 10' ceilings, a huge open space living area with 2 of the Master Suites having direct access to the back porch. 550 sq ft of covered porch upstairs with built in Grill and Sink. Top of the line Jenn-Air appliances and Quartz and Stone Counters throughout. Tile Floors and being sold completely turnkey! Successful Vacation Rental that grossed over $250K in 2024 and 2025. Metal Roof and Impact Sliders, Doors and Windows ensuring the cheapest insurances possible. Foam board exterior concrete block walls. Closed cell spray foam insulation first floor, Tongue and groove exterior ceilings, open cell spray foam insulation in attic. Outside you are greeted by a huge outdoor living area with pool, hot tub and 75' of composite decking/dock. Easy Gulf access for boating, and a great place to kayak and paddleboard in the open bay at the end of the canal. There is a public boat ramp just down the street too! 350' Storage area downstairs with French Doors. Also has 2 Washers and Dryers, making it easier for someone doing vacation rentals. Whether a vacation rental investment property or just the perfect Family Compound, this home checks a lot of boxes. Set up your showing today!

Over 3400 sqft of Luxury Living is featured with this 2007 custom built CBS in the gated community of Stirrup Key Sub in Marathon. Elevated water views, a deeded boat slip, protected community marina, multiple outdoor living areas and a private pool. Designed for both everyday comfort and entertaining, this multi-level home offers generous interior space, flexible living areas, and a thoughtful indoor-outdoor layout. The ground level features a three-car garage, ample storage, and direct access to the pool area, creating an easy flow for relaxing, hosting, and enjoying the Keys lifestyle. The second floor serves as the main living level with two bedrooms, two full baths, a full kitchen, and open living and dining areas that extend onto a large screened lanai. This level is ideal for casual gatherings, quiet mornings, and evening breezes. The third floor offers a private primary suite, sitting area or fourth bedroom, bar/kitchenette, fireplace, spa-style bath, and an expansive lanai with peaceful elevated views. A spiral staircase leads to the fourth-floor widow's walk, finished with travertine flooring and a water hookup. From this vantage point, panoramic views stretch across Marathon and toward the Gulf, creating a quiet setting for sunrise, sunset, and open-air relaxation. A private nature path winds through preserved surroundings and leads to a Gulf-front observation dock, ideal for wildlife viewing and enjoying the surrounding natural setting. Additional features include a lift to the second floor for added convenience. Centrally located in Marathon, the home offers convenient access to shopping, dining, & daily necessities. With a deeded marina slip, elevated water views, pool, garage space, storage, multiple lanais, and a flexible custom layout, this property offers a rare combination of privacy, space, and boating access in Marathon. Schedule a private showing to experience this custom home and deeded marina slip in person.

Experience stunning open-water views from this exceptional 4-bedroom, 3-bath home situated on a desirable bayside corner lot. This property offers extensive dockage with a step down, custom-built steel bumpers, accommodating multiple vessels with ease. With approximately 190 feet of waterfront, you can unwind by the beautiful swimming pool and hot tub while enjoying serene lagoon views. The home is offered fully furnished and features an updated kitchen with stainless steel appliances and quartz counters, newer A/C, impact windows, and an interior laundry room with custom cabinetry. Weekly rentals are permitted, adding excellent investment potential. Enjoy outstanding views from the living area and balcony, as well as canal views from 2 of the bedrooms. This is the perfect spot for kayaking, paddleboarding, and fishing directly from your private dock. The deep water access allows for large vessels, and there is ample parking for all your toys. A public boat ramp is conveniently located just a few blocks away. Additional highlights include a dedicated rod-and-reel room/lower-level storage area just steps from the dock, a fish-cleaning station with running water, an outdoor shower, and concrete steps providing easy kayak and paddleboard launch access. Tons of storage space downstairs on an oversized lot. This is a true boater's paradise--perfectly equipped for relaxation, recreation, and coastal living at its finest.

Embrace the RARE opportunity to own 1.75 acres of open water paradise in the prestigious, gated community of Stirrup Key. Over 750' feet of direct, open Gulf frontage, you'll enjoy spectacular sunrises and sunsets from nearly every vantage point, including a charming sunset gazebo overlooking the iconic Seven Mile Bridge in the distance. The custom Mediterranean-style residence captures the essence of resort living with expansive pavered patios, sparkling elevated pool, and spacious lounging areas absolutely perfect for entertaining against a stunning Gulf backdrop. Five protected basin docks provide sheltered boating access in the marina, while terraced tropical gardens cascade toward the water, lined with mature palms and lush landscaping for a serene coastal ambiance. Inside, soaring cathedral ceilings, wood plantation shutters, and an airy great room with real coral fireplace showcase timeless Keys craftsmanship. The split-bedroom layout ensures privacy, with a luxurious master suite featuring dual closets and skylit bath, plus separate guest quarters. Additional highlights include an elevator, 12,000-gallon cistern, huge garage for cars and golf carts, and a large lower-level storage area with workbenches, pool table, and extra laundry facilities. This gated community, with unique architecture, fewer lots, limited rentals and higher quality restrictions help to sustain a premium and private feel. Only minutes from the Marathon Airport, this one-of-a-kind estate combines open-water grandeur with island tranquility, a true Florida Keys sanctuary.

INVESTORS will appreciate and experience waterfront living at its finest in this beautiful 2 story residence with a ground level elevated entry that has been renovated to achieve the perfect blend of coastal living with upscale entertaining in mind. Thoughtfully designed with an open and airy interior space, and grand entrance that flows effortlessly onto two outdoor balconies makes this residence perfect for entertaining or relaxing and enjoying the bay and sunset views. Features include a beautiful granite kitchen, custom and private bar area, open concept great room and neutral tiled flooring. The spacious chef's kitchen with granite counter tops and stainless steel appliances, a second level master suite with walk in closet, en suite bathroom with jetted tub and separate shower, three well appointed guest bedrooms, 3 bathrooms and office space off the main living area. Windowed porches allow for more living space outside of air-conditioned space as well as more entertaining room. Enjoy fishing off the dock or boating in and out of the area. The nearby community park boasts a small beach, and boat ramp which can be used to launch your boat. Restricted rentals makes this community even more desirable due to less vacation rentals and more serenity. This open water bay front home is located near Marathon Airport and the property can be purchased on one lot or can be combined with two parcels for potentially more living space, a cabana accessory structure, pool, putting green, or pickle ball court. West of Marathon Airport in a gated bay side community. Buy both for future potential living space or simply enjoy the green space overlooking the Florida Bay. Additional lot can be purchase separately and is contiguous to this home on 120 Pirates Cove Drive in exclusive and gated Stirrup Key.

Florida Keys luxury redefined! Experience this newly constructed 2025 oceanfront masterpiece perfectly balancing coastal elegance, craftsmanship, and timeless design. With 6 bedrooms, 6.5 baths, and 3,102 sq ft under air plus 2,000+ sq ft of balconies, it offers seamless indoor-outdoor living framed by endless turquoise views. An elevated infinity-edge pool merges visually with the Atlantic beyond. Inside, a bright open floor plan captures light, air, and ocean vistas. The great room flows into a designer kitchen and dining area, creating spaces that feel both connected and serene. Each ensuite bedroom is a private retreat, beautifully scaled and positioned for comfort and privacy. See Documents Tab for a full list of luxury features. Furnished and appointed throughout showcasing ''Design by Lily,'' the interior blends beach-cottage warmth with sophisticated Keys luxury. Custom furnishings, curated color palettes, and natural textures create a refined yet welcoming aesthetic. Every detail--from driftwood-toned floors to sculptural fixtures--exudes coastal elegance. Built by a long-time Florida Keys contractor with decades of local expertise, construction was overseen daily by the owners to ensure perfection in every finish and structure. Nothing escaped their eye, and it shows in the integrity and grace of the final result. Outdoor living shines with multiple covered terraces for dining and lounging, the infinity pool reflecting the sea, and gentle breezes completing the ambiance. The 157' dock ending in a 32' L-shaped terminus is complete. Newly built, fully furnished, and ready for immediate enjoyment, this residence is a rare opportunity--an oceanfront sanctuary minutes from the Marathon airport's two FBOs. Whether a private retreat or luxury vacation investment, this property embodies comfort, craftsmanship, and coastal allure.

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.

Tons of upgrades, gorgeous open water views, and the very best of Florida Keys waterfront living -- you have to come see Lot 2 at Shipman Point. This brand-new waterfront home is positioned just two in from open water, offering beautiful views, excellent boating access, and a protected canal setting for your vessel. Boaters will appreciate approximately 63 feet of dockage, canal protection, a hardened shoreline secured by both a concrete retaining wall and concrete seawall, plus room for a boat lift. Whether heading out for a day on the water or enjoying the peaceful views from home, this location is designed for true Keys living. Inside, the home is fully furnished and professionally designed, with bright coastal finishes, tile flooring throughout the entire downstairs level, a spacious kitchen with a gas stove, double sink, and a well-appointed layout for entertaining. One of the ensuite bedrooms also features an additional private porch, creating another relaxing space to take in the island lifestyle. The exterior is complete with landscaping, a large concrete pad driveway with turf accents, and a clean, modern coastal look with ample parking. With weekly rentals permitted, this property offers outstanding versatility as a primary residence, second home, or income-producing investment. Updated photos coming soon.

Casa De Artista is a rare luxury estate in the exclusive community of Sombrero Isle. Set on more than an acre with 415 feet of waterfront, this property combines privacy, elegance, and the ultimate Florida Keys lifestyle. With only 27 homes on the island and Sombrero Beach just one block away, the location is both secluded and highly desirable. Extensively renovated by D'Asign Source in 2016, the 4,649 sq. ft. main residence offers 4 bedrooms and 3.5 baths. The open-concept living and dining areas feature stunning tongue-and-groove ceilings, while the chef's kitchen showcases premium appliances, dual wine refrigerators, and double islands designed for entertaining. Expansive sliding glass doors connect to a waterfront patio with outdoor kitchen, beverage coolers, and resort-style ambiance. The grounds are landscaped with exotic palms and feature a pool with spa, and deep-water dockage. For boaters, two lifts (24K and 5K) and an 86-foot dock provide direct access to world-class fishing and diving. A 299 sq. ft. detached artist studio with half bath offers flexible use as a creative retreat or guest space. Additional highlights include a 5,176 sq. ft. garage and storage level, ideal for vehicles, boats, and equipment. Just 10 minutes from Marathon Airport and offering strong weekly rental potential, Casa De Artista is a true trophy property and one of Sombrero Isle's most exceptional estates.

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.

An unparalleled development opportunity in the heart of the Florida Keys. Spanning approximately 10 acres, this expansive bayfront property represents one of the largest and most versatile land offerings currently available in the Middle Keys. There are two newer construction homes (4 bedrooms/4.5 bathrooms each), 8 additional building rights (7 waterfront lots, 1 dry lot), 16 deep water boat slips in a protected basin (6 with boat lifts) and a total of 10 acres of land conveyed with the sale. The property offers exceptional flexibility for a luxury compound, secluded waterfront community or private family retreat. The 2 current homes sit on 5,200 SF lot each featuring 4 bedrooms/4.5 bathrooms with a total interior square footage of 3,300. Each has their own private pool & spa, unobstructed bay views, garage, Thermador appliances & marble kitchen countertops, impact doors & windows & designed to embrace the island lifestyle. The estate balances seclusion with convenience just minutes from Marathon Executive Airport for effortless fly-in, fly-out access. As well as seamless access to both the bay & ocean side waters via Long Key Bridge or Channel 5. The setting is defined by endless sunsets, abundant wildlife, and world-class boating & fishing just steps from your door. Whether envisioned as a multigenerational retreat, a private waterfront sanctuary or a visionary redevelopment, this legacy property offers the space, flexibility & natural beauty to bring a dream to life.