Brand-new waterfront construction in Marathon's desirable Coco Plum neighborhood, offering 5 bedrooms, 5 bathrooms, 3,458 square feet under air, and 5,204 total square feet across three thoughtfully designed levels. Boating and waterfront living take center stage with two 40+ foot slips, offering plenty of room for multiple vessels or personal watercraft and convenient access to the surrounding Keys waters. A private pool, spacious covered terrace, and summer kitchen overlooking the canal create an ideal setting for entertaining, relaxing, and enjoying life on the water. The ground level features a private bedroom, full bath, family room, and laundry closet, providing excellent flexibility for guests or additional living space. The main level showcases an expansive open-concept great room with kitchen, dining, and living areas, along with custom cabinetry, quartz countertops, a built-in cocktail bar, separate coffee bar, an additional bedroom with en-suite bath, guest bath, and a covered terrace with canal views. Upstairs, the spacious primary suite offers a walk-in closet, luxurious en-suite bath, and private waterfront terrace. Two additional bedrooms, a shared bath, and a second full laundry room with mop sink and linen storage add convenience. Built with CBS construction, impact-resistant windows and doors, a metal roof, and dual-zone A/C, the home also features wood and stone flooring, porcelain tile, custom cabinetry, and professionally designed landscaping. With substantial dockage, direct access to the water, a private pool, and multiple waterfront terraces, this exceptional new residence is designed to fully embrace the Florida Keys boating lifestyle.