Fiesta Key is an island in the

Florida Keys The Florida Keys are a coral island, coral cay archipelago located 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 south of ...

, connected via causeway to

U.S. 1 U.S. Route 1 or U.S. Highway 1 (US 1) is a major north–south United States Numbered Highway that serves the East Coast of the United States. It runs from Key West, Florida, north to Fort Kent, Maine, at the Canadian border, making ...

(or the

Overseas Highway The Overseas Highway is a highway carrying U.S. Route 1 (US 1) through the Florida Keys to Key West. 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 R ...

) at mile marker 70, between

Long Key Long Key is an island in the middle Florida Keys. Long Key was called Cayo Víbora (Rattlesnake Key) by early Spanish explorers, a reference to the shape of the island, which resembles a snake with its jaws open, rather than to its denizens. The ...

and Craig Key.
It was first recorded as Jew-fish Kay (later Jewfish Key, Jewfish Bush Key).
Louie Turner homesteaded the island on January 7, 1908, becoming the first recorded owner.
For a period in the 1950s and 1960s, the island was a property of The Greyhound Corporation. During that period it was named Tropical Key, then Greyhound Key.
Kampgrounds of America (KOA) bought the island from Greyhound in 1966 and renamed it as Fiesta Key.

References

* Islands of the Florida Keys Islands of Monroe County, Florida Islands of Florida {{monroeCountyFL-geo-stub