Spanish Harbor Key is an island in the lower

Florida Keys The Florida Keys are a coral island, 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 south of Miami a ...

. U.S. 1 (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 Ra ...

) crosses the keys at approximately mile markers 35–36, between

Bahia Honda Key Bahia Honda ( , ; ) is an island in the lower Florida Keys. U.S. 1 (the Overseas Highway) crosses the key at approximately mile markers 36-38.5, between Ohio Key and Spanish Harbor Key west of Marathon, close to the west end of the Seven ...

and West Summerland Key. Spanish Harbor Key is a small island located in the lower

, which are part of the Florida Keys archipelago. The island is situated between the larger islands of

Big Pine Key Big or BIG may refer to: * Big, of great size or degree Film and television * ''Big'' (film), a 1988 fantasy-comedy film starring Tom Hanks * ''Big'', a 2023 Taiwanese children's film starring Van Fan and Chie Tanaka * ''Big!'', a Discovery ...

and

Cudjoe Key Cudjoe, Codjoe or Captain Cudjoe (c. 1659 – 1744),Michael Sivapragasam''After the Treaties: A Social, Economic and Demographic History of Maroon Society in Jamaica, 1739–1842'' PhD Dissertation, African-Caribbean Institute of Jamaica libra ...

. It is not a highly developed area, and much of it remains relatively undeveloped, offering a more natural, scenic environment. The

, known for their tropical climate and coral reefs, are a popular destination for boating, fishing, and outdoor activities. Originally, there were three keys at this location. They were connected by fills at the time the

Overseas Railroad The Overseas Railroad (also known as Florida Overseas Railroad, the Overseas Extension, and Flagler's Folly) was an extension of the Florida East Coast Railway to Key West, a city located beyond the end of the Florida peninsula. Work on the line ...

was built. The Keys were West Summerland Key (westernmost), Middle Summerland Key (center), and an unnamed easternmost key. West Summerland retains its name, but the other two are known simply as the Spanish Harbor Keys; named for the anchorage located between this key and

. Interesting features of this key include Indian mounds and storage buildings still standing from the Flagler Railway construction era.

References

Uninhabited islands of Monroe County, Florida Islands of Florida {{monroeCountyFL-geo-stub