Keystone Island Contemporary Masterpiece of Architecture and Design, perfectly situated in a gated community with 24-hour security—just 5 minutes to high-end restaurants and Bal Harbour Shops. Features 78 ft of waterfront with deep-water dockage, only 3 minutes to the bay. 6 bedrooms / 5 bathrooms, 8,692 total SF, with a pool and spa plus waterfall and fountain. 4-car garage, soaring 24' ceilings, and solid concrete slab construction on the 1st floor, 2nd floor, and roof. Natural gas. Impact and solar-rated protection windows and doors. Natural walnut Italian doors throughout. Italian kitchen with top Wolf and Sub-Zero appliances. Glass interior patio and 2,200 SF of outdoor living space with summer kitchen. Property has been used only as a vacation home. Easy to show.