Key West (Spanish Cayo Hueso) is an island and city in the Straits of Florida on the North American continent, at the southwesternmost end of the roadway through the Florida Keys in the state of Florida, United States. The island is about 4 miles (6.4 km) long and 1 mile (1.6 km) wide, with a total land mass of 4.2 square miles (11 km2). Duval Street, its main street, is 1.1 miles (1.8 km) in length in its 14-block-long crossing from the Gulf of Mexico to the Straits of Florida and the Atlantic Ocean. The island is 3,370 acres (13.6 km2) in area. Key West is about 95 miles (153 km) north of Cuba at their closest points.
The city is the county seat of Monroe County. The city boundaries include the island of Key West and all or part of several nearby islands. Key West is the southernmost city in the contiguous United States and the southern terminus of US Route 1,State Road A1A, the East Coast Greenway and, before 1935, the Florida East Coast Railway
Laid back, free-spirited, artistic, quirky, and scenic, Key West is one of the most unique places in the United States. Known for its live-and-let-live attitude, tropical climate, and seemingly continuous happy hour, this tiny Florida Keys island has been welcoming visitors seeking a vacation from the normal for two centuries.