*UNIQUE*Keystone Island Contemporary Masterpiece of Architecture and Design is perfectly situated in a gated community , 24 hrs security | 5 min to high-end restaurants and Bal Harbour Shops | 78 ft waterfront and deep water dock-age |30k pounds boat lift just 3 min to bay |6bed/5bath | 8692 total sf | pool,spa,waterfall and fountain | 4 car garage | 24' high ceilings | 1st floor, 2nd floor and roof solid slab concrete | natural gas | Impact and solar advantages protection windows and doors | natural walnuts Italian doors | Italian Kitchen w/ top Wolf and Sub-Zero appliances | Glass interior patio | 1600 sf outdoor living space with summer kitchen.