Key West is a city in Monroe County, Florida, United States. The city encompasses the island of Key West, the part of Stock Island north of U.S. 1 (the Overseas Highway) (east), Sigsbee Park (north, originally known as Dredgers Key), Fleming Key (north), and Sunset Key (west, originally known as Tank Island). Both Fleming Key and Sigsbee Park are part of Naval Air Station Key West and are inaccessible by civilians. Key West is the county seat of Monroe County. Key West is known as the southernmost city in the Continental United States. It is also the southern terminus of U.S. 1, State Road A1A, the East Coast Greenway and before 1935, the Florida East Coast Railway.
Key West is 129 miles (207 km) southwest (229.9 degrees) of Miami, Florida, (about 160 driving miles) and 106 miles (170 km) north-northeast (21.2 degrees) of Havana, Cuba. Cuba, at its closest point, is 94 statute (81 nautical) miles south.
Key West is a seaport destination for many passenger cruise ships. The Key West International Airport provides airline service. Hotels and guest houses are available for lodging. Naval Air Station Key West is an important year round training site for naval aviation due to the superb weather conditions. It is also a reason the city was chosen as the Winter White House of President Harry S. Truman. The central business district primarily comprises Duval Street, and includes much of the northwest corner of the island along Whitehead, Simonton, Front, Greene, Caroline, and Eaton Streets and Truman Avenue. The official city motto is "One Human Family."