Rising majestically above the sparkling Atlantic, this Concrete Fortress on Marathon's prestigious Ocean E peninsula redefines luxury coastal living. Located within an exclusive gated community of only 16 homes, the residence offers unrivaled privacy and proximity to one of the Florida Keys' most beloved destinationsSombrero Beach. Inside, 5,340 sq. ft. under air unfolds into soaring living spaces, anchored by an open-concept great room where walls of glass showcase endless sunrise-to-sunset ocean views. The formal dining room is a showstopper with its panoramic backdrop, while the newly renovated kitchen boasts sleek quartz counters and modern finishes. The home's 4 ensuite bedrooms are true sanctuaries, each massive in scale, with two spectacular primary suites offering private sitting rooms and wraparound water vistas. An elevator connects all levels, from the impressive 4-car garage to the bedroom retreats. Outdoors, 4,218 sq. ft. of covered patios and porches invite year-round entertaining. The brand-new oceanfront pool and spa sparkle under the Keys sun, framed by direct ocean access, a private 131' seawall, and a boat lift ready for adventures on the water. Set on a 14,730 sq. ft. lot, built with enduring concrete construction, and positioned in one of Marathon's most exclusive enclaves, this estate is not just a residenceit's a statement of strength, elegance, and timeless oceanfront living. Home is still undergoing renovations including pool decking, artificial turf and landscaping. Please keep checking back for updated photos.