Monroe County is the southernmost county of the state of Florida. As of the 2020 census, the population was 82,874. Its county seat is Key West. Monroe County includes the islands of the Florida Keys and comprises the Key West-Key Largo Micropolitan Statistical Area. Over 99.9% of the county's population lives on the Florida Keys. The mainland, which is part of the Everglades, comprises 87% of the county's land area and is virtually uninhabited with only 17 people recorded in the 2020 census.
Key West is an island in the Straits of Florida, within the U.S. state of Florida. Together with all or parts of the separate islands of Dredgers Key, Fleming Key, Sunset Key, and the northern part of Stock Island, it constitutes the City of Key West.
Stock Island is a census-designated place (CDP) and unincorporated community on the island of the same name in Monroe County, Florida, United States. The population of the CDP was 4,722 at the 2020 census, up from 3,919 in 2010. It is located on the portion of the island south of US 1. It is supposedly named for the herds of livestock formerly kept there. Alternatively, some local historians suggest that it may be named for an early settler.
The Florida Keys are a coral cay archipelago off the southern coast of Florida, forming the southernmost part of the continental United States. They begin at the southeastern coast of the Florida peninsula, about 15 miles (24 km) south of Miami and extend in an arc south-southwest and then westward to Key West, the westernmost of the inhabited islands, and on to the uninhabited Dry Tortugas. The islands lie along the Florida Straits, dividing the Atlantic Ocean to the east from the Gulf of Mexico to the northwest, and defining one edge of Florida Bay. The southern part of Key West is 93 miles (150 km) from Cuba. The Keys are located between about 24.3 and 25.5 degrees North latitude.
Biscayne Bay is a lagoon with characteristics of an estuary located on the Atlantic coast of South Florida. The northern end of the lagoon is surrounded by the densely developed heart of the Miami metropolitan area while the southern end is largely undeveloped with a large portion of the lagoon included in Biscayne National Park.
Dry Tortugas National Park is a national park of the United States located about 68 miles (109 km) west of Key West in the Gulf of Mexico, in the United States. The park preserves Fort Jefferson and the several Dry Tortugas islands, the westernmost and most isolated of the Florida Keys. The archipelago's coral reefs are the least disturbed of the Florida Keys reefs.
The Marquesas Keys form an uninhabited island group about 20 miles (32 km) west of Key West, four miles (6 km) in diameter, and largely covered by mangrove forest. They are an unincorporated area of Monroe County, Florida and belong to the Lower Keys Census County Division. They are protected as part of the Key West National Wildlife Refuge. The Marquesas were used for target practice by the military as recently as 1980.
Gulf Islands National Seashore is an American National seashore that offers recreation opportunities and preserves natural and historic resources along the Gulf of Mexico barrier islands of Florida and Mississippi. In 2023, it was the fifth-most visited unit of the National Park Service.
Key Vaca is an island in the middle Florida Keys, located entirely within the borders of the city of Marathon, Florida.
Stock Island is an island in the lower Florida Keys immediately east of Key West. Immediately northwest is Key Haven, from which it is connected by causeway with US 1. The part north of U.S. 1 is part of the City of Key West, while the southern part is a census-designated place (CDP) in Monroe County, Florida, United States. The population of the CDP was 4,410 at the 2000 census. Stock Island was supposedly named for herds of livestock formerly kept there. Alternatively, some local historians suggest that it may be named for an early settler.
Egmont Key National Wildlife Refuge and State Park is a National Wildlife Refuge and State Park located on the island of Egmont Key, at the mouth of Tampa Bay. Egmont Key lies southwest of Fort De Soto Park and can only be reached by boat or ferry. Located within Egmont Key National Wildlife Refuge and State Park are the 1858 Egmont Key Lighthouse, maintained by the U.S. Coast Guard, and the ruins of Fort Dade, a Spanish–American War era fort that housed 300 residents. Egmont Key is located in Hillsborough County Florida on a narrow strip of the county that extends along the Tampa Port Shipping Channel.
Lignumvitae Key Botanical State Park is a Florida State Park consisting of Lignumvitae Key, Shell Key, surrounding submerged lands, and a parcel at the northern end of Lower Matecumbe Key. The islands are located one mile west of U.S. 1 at mile marker 78.5, and can be reached only by private boat or tour boat.
The Rickenbacker Causeway is a causeway that connects Miami, Florida to the barrier islands of Virginia Key and Key Biscayne across Biscayne Bay.
Sugarloaf Key is a single island in the lower Florida Keys that forms a loop on the Atlantic Ocean side, giving the illusion of separate islands. Although frequently referred to simply and with technical accuracy as "Sugarloaf Key", this island contains two distinct island communities, known as Lower Sugarloaf Key and Upper Sugarloaf Key.
The Key West National Wildlife Refuge is a 189,497 acre (766.867 km2) National Wildlife Refuge located in Monroe County, Florida, between Key West, Florida and the Dry Tortugas. Only 2,019 acres (8.171 km2) of land are above sea level, on several keys within the refuge. These keys are unpopulated and are also designated as Wilderness within the Florida Keys Wilderness. The refuge was established to provide a preserve and breeding ground for native birds and other wildlife as well as to provide habitat and protection for endangered and threatened fish, wildlife, plants and migratory birds.
Bahia Honda is an island in the lower Florida Keys.
Sigsbee Park, also known as Dredgers Key, is an island about half a mile (800 m) north of Key West island in the lower Florida Keys; administratively it is within the City of Key West, Florida, United States.
The Deptford culture was an archaeological culture in southeastern North America characterized by the appearance of elaborate ceremonial complexes, increasing social and political complexity, mound burial, permanent settlements, population growth, and an increasing reliance on cultigens.
Pigeon Key is a small island containing the historic district of Pigeon Key, Florida. The 5-acre (2.0-hectare) island is home to 8 buildings on the National Register of Historic Places, some of which remain from its earliest incarnation as a work camp for the Florida East Coast Railway. Today these buildings serve a variety of purposes, ranging from housing for educational groups to administrative offices for the non-profit Pigeon Key Foundation. The former Assistant Bridge Tender's House has been converted into a small museum featuring artifacts and images from Pigeon Key's colorful past. It is located off the old Seven Mile Bridge, at approximately mile marker 45, west of Knight's Key, and just east of Moser Channel, which is the deepest section of the 7-mile (11 km) span.
Woman Key is an island in the Florida Keys in Monroe County, Florida, United States. It is within the boundaries of the Key West National Wildlife Refuge.
