Bahia Honda is an island in the lower Florida Keys

Florida Keys

The Florida Keys are a coral archipelago in southeast United States. They begin at the southeastern tip of the Florida peninsula, about south of Miami, and extend in a gentle arc south-southwest and then westward to Key West, the westernmost of the inhabited islands, and on to the uninhabited Dry...

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U.S. 1

U.S. Route 1 in Florida

U.S. Route 1 in Florida runs along the state's east coast from Key West to its crossing of the St. Marys River into Georgia north of Boulogne, and south of Folkston. US 1 was designated through Florida when the U.S. Highway System was established in 1926.US 1 runs in the state of Florida, and...

 (the Overseas Highway

Overseas Highway

The Overseas Highway is a highway carrying U.S. Route 1 through the Florida Keys. Large parts of it were built on the former right-of-way of the Overseas Railroad, the Key West Extension of the Florida East Coast Railway. Completed in 1912, the Overseas Railroad was heavily damaged and partially...

) crosses the key at approximately mile markers 36-38.5, between Ohio Key

Ohio Key

Ohio Key is an island in the lower Florida Keys.U.S. 1 crosses the key at approximately mile marker 39, between Missouri Key and Bahia Honda Key....

 and Spanish Harbor Key

Spanish Harbor Key

Spanish Harbor Key is an island in the lower Florida Keys.U.S. 1 crosses the keys at approximately mile markers 35--36, between Bahia Honda Key and West Summerland Key....

 12 miles (19.3 km) west of Marathon

Marathon, Florida

Marathon is a city on Knight's Key, Boot Key, Key Vaca, Fat Deer Key, Long Point Key, Crawl Key and Grassy Key islands in the middle Florida Keys, in Monroe County, Florida, in the United States. As of the 2000 census, the city had a total population of 10,255. As of 2005, the population estimated...

, close to the west end of the Seven Mile Bridge

Seven Mile Bridge

The Seven Mile Bridge is a famous bridge in the Florida Keys, in Monroe County, Florida, United States. It connects Knight's Key in the Middle Keys to Little Duck Key in the Lower Keys...

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The island is virtually uninhabited, being home to the 524 acre (2.1 km²) Bahia Honda State Park. Founded in 1961, the park occupies most of the island. The channel at the island's west end is one of the deepest natural channels in the Florida Keys.
Marine life is quite plentiful in the waters surrounding the island.