The Key West Historic District (also known as Old Town of the City of Key West) is a U.S. historic district (designated as such on March 11, 1971) located in Key West, Florida. It encompasses approximately , bounded by White, Angela, Windsor, Passover, Thomas and Whitehead Streets, and the Gulf of Mexico. It contains 187 historic buildings and one structure.
On February 24, 1983, the district was expanded to , bounded by Emma, Whitehead, White, and South Streets, Mallory Square, and the Atlantic Ocean, to contain 2485 historic buildings and four structures.
Old Town is the name given to the historic district of the island of Key West, Florida. It is roughly the western half of the island. It is also where the central business district and majority of tourist attractions are located.