Ultra-Luxury Modern Waterfront Estate Brand-New Concrete Fortress on Prestigious Sugarloaf Key $11M

Brand-new, all-concrete modern waterfront fortress on prestigious Sugarloaf Key. Built to the newest hurricane-resistant codes, this ultra-luxury estate offers panoramic open-water views, an extraordinary full rooftop deck with 360° vistas, a dramatic 19-ft double-volume great room, and stunning indoor–outdoor living spaces. Four private suites open to expansive covered terraces. Elevated above-flood concrete garage with soaring ceilings includes luxury guest quarters, kitchenette, full bath, and flex room. Resort-style pool and spa, cabana bath, outdoor shower, landscape lighting. Generator-ready, impact glass, dual cisterns, premium finishes throughout. Seller includes plans for a 230-ft dock. Turnkey modern coastal masterpiece.