10-Acre Gulffront Estate Opportunity - Rare, Private, and Unmatched in Marathon! Welcome to 56185 Overseas Hwy, Marathon, FL 33050—an extraordinary 10-acre waterfront property offering sweeping open-water views of the Gulf of Mexico from both the east and west side of the parcel. With water on two sides, this unique positioning allows for both breathtaking sunrises and stunning sunsets, delivering an experience few properties can match. Bordered by a protected bird sanctuary and neighboring Curry Hammock State Park, the property enjoys approximately 90 acres of natural buffer, providing unmatched seclusion, serenity, and no highway directly behind you. A rare building right is already in place, giving you the opportunity to build a custom luxury estate or private retreat without delay. Allowing 7-day rentals, the property offers tremendous flexibility for both personal use and income potential. A concrete seawall lines the waterfront, offering solid shoreline protection and excellent boating potential. With direct Gulf access and wide-open views, it's a dream setting for boating enthusiasts and nature lovers alike. Conveniently located just minutes from Marathon International Airport, this property combines privacy, accessibility, and the natural beauty of the Florida Keys. Opportunities like this are few and far between—don't miss your chance to create a legacy estate in one of the Keys' most peaceful and pristine locations.