Key Biscayne, Florida
Place
Key Biscayne is an island town in Miami-Dade County, Florida, United States. The population was 12,344 at the 2010 census (in July 1, 2017 population was estimated in 13,182).Key Biscayne lies south of Miami Beach and east of Miami. The village is connected to Miami via the Rickenbacker Causeway, originally built in 1947.