Video Promoted 1 / 6 View 6 photos $31,500,000 Private Island in Miami, Florida, United States Contact Water View Waterfront Oceanfront Ocean View Seafront Private Beach Sea View Panoramic / Scenic View City View Miami’s most exclusive address - Private Island - Biscayne Bay! There is an uninhabited 4+ acre island in Biscayne Bay. The only privately-owned island, zoned residential. Birds, stingrays, manatee