About This Place
Key Colony Beach is a city in the middle Florida Keys, Monroe County, Florida, United States. The population was 788 at the 2000 census. As of 2004, the population estimated by the U.S. Census Bureau is 852.
Key Colony Beach is located at 24°43′28″N 81°1′5″W / 24.72444°N 81.01806°W / 24.72444; -81.01806 (24.724515, -81.017928). Most of the city is located on an island formerly known as Shelter Key; a small part of the city is on Fat Deer Key where the Sadowski Causeway (also 131st St Ocean on the Marathon, Florida street grid), which is the only road entering the city, connects to U.S. 1 (the Overseas Highway).
According to the United States Census Bureau, the city has a total area of 0.7 square miles (1.7 km²). 0.5 square miles (1.3 km²) of it is land and 0.2 square miles (0.4 km²) of it (23.88%) is water.