luxury seaside houses for sale Duck Key, United States

Experience sweeping ocean views and breathtaking sunsets, from both floors of living in this beautifully updated oceanfront residence in Key Colony Beach—the gem of the Florida Keys. The spacious primary suite features an extended living area on the enclosed balcony with amazing blue water & sunset views, a custom bath, and a generous walk-in closet. Two large guest bedrooms offer comfort and privacy for family or visitors. The gourmet kitchen boasts abundant cabinetry, stunning granite countertops, and opens to a light-filled living and dining area complete with a wet bar and panoramic ocean vistas—perfect for entertaining. This home suits any lifestyle: a high-performing vacation rental, a seasonal retreat for snowbirds, or a full-time residence in a meticulously maintained community of just 31 condos and townhomes. Enjoy resort-style amenities including a large oceanfront pool surrounded by expansive sun decks, a fishing pier with breathtaking sunset views, grilling and private lounging areas, covered parking garage, bike and kayak storage, plus guest parking, shuffleboard, and tennis/pickleball courts. Ideally located near marinas, restaurants, shopping, and local attractions, your island dream awaits in paradise.

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.

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.

&127969; Welcome to Emerald Flats a Waterfront Community in the heart of Marathon! Your brand-new dream home is here: Gated community entryway Gulf front water views and private boat docking. Built for efficiency and comfort there are 5 Bedrooms | 4 Bathrooms - space for everyone High ceilings & open floor plan for a modern feel KitchenAid stainless appliances + quartz countertops Separate bar/entertainment space Fully furnished with luxury coastal style - just bring your suitcases! Boat Slip 30 included (45' long x 14.75' wide) &128205; Location: Emerald Flats. 818 39th Street Gulf

Beach life simplicity perfectly describes this pristine three bedroom, two bath oceanfront home with pool, covered patio, and gated for privacy. Stunning beach and ocean views are enjoyed from upper porch, lower level covered patio, living room and two of the three bedrooms. Fully remodeled in 2021, this charming get-away has been entirely refreshed with new everything...including impact windows and doors, metal roof, flooring, new appliances, central air, pool equipment and electric gate. Furnishings and finishes reflect the coastal cottage style, creating the epitome of relaxation and embodying the Florida Keys lifestyle.

Seize the rare opportunity to build your dream home in one of Islamorada's most coveted locations! This Ocean Front estate located directly across from the iconic Alligator Reef Lighthouse. Across the street from a protected preserve that will never be developed, and featuring a deep water channel capable of accommodating boats up to 40 feet, this property offers unmatched privacy and access.Imagine living just a short stroll from the legendary Square Grouper, Midway Cafe, Robbie's. Down the road from some of the best restaurants in Islamorada like Ziggie's, Mad Dog's, and Chef Michael's. This oversized lot, just shy of an acre, provides the perfect canvas for a builder, developer, or savvy end user to craft a stunning, custom-designed home in an unparalleled location.