You step onto the terrace as the sun breaks over the Gulf of America, its first light catching the surface of tidal ponds where stingrays glide through shallow waters just beyond your door. Three acres of seclusion stretch before you—sandscape, sea, and sky merging into a horizon that belongs entirely to you. Barefoot on warm concrete, you descend to the water's edge, more than two hundred feet of private frontage curving along one of the Gulf's most protected stretches. By midday, the impact glass walls have dissolved the boundary between inside and out, ocean breezes flowing through nearly ten thousand square feet of living space as effortlessly as the tide. Lunch materializes in one of three distinct living pavilions, guests scattered across the estate yet connected by the constant presence of water on every side. Afternoon brings paddleboards across the shallows, perhaps a boat ride to the reef, or simply stillness—watching herons work the tidal ponds while the Gulf shifts from turquoise to gold. As evening settles, you gather on the elevated deck, the 2025 construction rising around you like a fortress of modern coastal design, and understand that some places exist at the edge of the world precisely so you can step off it entirely.

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2025 Concrete & Impact Glass Construction — A newly completed estate built by Alderuccio Corporation using resilient concrete and hurricane-rated glass throughout, engineered for generations of worry-free coastal living

200+ Feet of Direct Gulf Frontage — Uninterrupted water access along one of the most protected stretches of the Gulf of America, with open-water views extending to the horizon in every direction

Three Distinct Living Pavilions — Approximately 10,000 square feet across three finished structures create a private resort configuration offering flexible accommodations for family, guests, and entertaining

3 Secluded Waterfront Acres — One of the largest private parcels in the Florida Keys, encompassing sandscape, tidal ponds teeming with marine life, and a degree of privacy virtually unobtainable in the region

Elevated Resilient Design — Thoughtfully raised construction paired with modern coastal architecture delivers effortless indoor-outdoor living while providing protection and peace of mind against the elements

About Grassy Key, Florida

Grassy Key: The Quiet Heart of the Keys — Positioned in the tranquil middle Keys between Marathon and Islamorada, offering authentic island seclusion away from the crowds of Key West and the bustle of the Upper Keys

World-Class Fishing & Diving Access — Minutes from legendary flats fishing, blue-water sport fishing, and pristine coral reefs including Sombrero Reef and the waters of Florida Keys National Marine Sanctuary

Protected Gulf Waters — Situated along one of the calmest, most sheltered stretches of the Gulf of America, ideal for paddleboarding, kayaking, and year-round water activities in serene conditions

Convenient Keys Connectivity — Easy access to Marathon's airport, restaurants, and provisions while remaining insulated from development—the best of both accessibility and escape

Iconic Overseas Highway Lifestyle — Part of the legendary hundred-mile chain connecting Miami to Key West, offering spontaneous day trips to Bahia Honda State Park, Robbie's Marina, and the southernmost point in the continental United States