Redefined at every level, this reimagined 2025 custom waterfront estate in Boca Harbour exquisitely marries Key West charm with the sophistication of contemporary coastal living. Designed by PX Architecture and brought to life by Barron Development, the residence was meticulously rebuilt from the studs up with unwavering attention to detail and superior craftsmanship. Every system has been thoughtfully upgraded and replacedfrom plumbing and electrical to roofing, foam insulation, and impact rated doors and windowsensuring a modern, state of the art foundation for enduring elegance. Spanning 5,641 square feet under air and 6,912 total square feet, the home offers five bedrooms, five full bathrooms, and two powder rooms, including a convenient cabana bath. A first floor guest suite provides privacy and versatility, while the second floor reveals four additional bedrooms and a generous flex lounge framed by floor to ceiling glass windows perfect as an upstairs living area or media retreat. A nearby office or study nook offers a serene, naturally lit workspace. The primary suite is a private oasis, thoughtfully designed to evoke the tranquility of a luxury spa. Its bathroom features dual vanities, a freestanding soaking tub, and a glass enclosed shower, all appointed with premium finishes and elegant detailing. Expansive custom closets have been fully built out to accommodate even the most extensive wardrobe with both sophistication and functionality. The home's heart is an entertainer's dream: a gourmet chef's kitchen with dual islands, a professional grade gas range, and a hidden butler's pantry for seamless preparation and storage. A formal dining room provides a refined setting for gatherings, while the rear faade, adorned with ten foot, floor to ceiling glass windows, floods the interior with light and frames sweeping views of the waterfront. Outside, the estate offers 80 feet of deep water frontage with no fixed bridges, providing effortless access to the open water. The dock, installed in 2022, complements a resort style pool, fully equipped outdoor kitchen, and expansive sun deck perfect for sophisticated entertaining or enjoying serene sunset vistas. Additional features include a three car garage, engineered oak flooring on the second level, large format porcelain tile on the first, and bespoke designer lighting that elevates the home's refined ambiance. A true architectural landmark in one of Boca Raton's most coveted waterfront communities, 810 NE 70th Street embodies the pinnacle of coastal living, where timeless design meets contemporary innovation to create an atmosphere of effortless sophistication.