Fleming Key is an island off the northwest corner of the island of Key West, Florida in the lower Florida Keys. It is roughly 2 miles (3.2 km) long by 0.25 miles (0.40 km) wide.
Map of Fleming Key, Florida 33040, USA
It is connected to the island of Key West by the Fleming Key Bridge (Mustin Road), having 18 feet (5.5 m) of clearance over Fleming Key Cut, a small channel.
The island and bridge road are part of a section of the Naval Air Station Key West called Trumbo Point and are inaccessible to civilians without US Navy clearance. The island has a 10 million gallon per day wastewater treatment plant. It also includes a dolphin research center and marine corrosion testing facility.
The United States Army Special Forces Underwater Operations Training Center is located at the far northern tip of Fleming Key.