Bill Baggs Cape Florida State Recreation Area occupies approximately the southern third of the island of Key Biscayne, at coordinates 25°40′25″N 80°09′34″W. This park includes the Cape Florida Light, the oldest standing structure in Greater Miami. In 2005, it was ranked as having the 8th best beach in the country, and in 2013 Forbes ranked it at 7th.

Key Biscayne is an island located in Miami-Dade County, Florida, located between the Atlantic Ocean and Biscayne Bay. It is the southernmost of the barrier islands along the Atlantic coast of Florida, and lies south of Miami Beach and southeast of Miami. The key is connected to Miami via the Rickenbacker Causeway, originally built in 1947.