Article · Wikipedia archive · Last revised Jun 17, 2026

Park Key

Park Key is an uninhabited island in the lower Florida Keys about 14 miles (23 km) east of Key West. It is 1500 meters long, and between 75 and 260 meters wide. It measures 70 acres in area.

Last revised
Jun 17, 2026
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Park Key
Tiny uninhabited Park Key acts as a natural causeway for US-1
Park Key
Park Key
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Park Key
Park Key (Caribbean)
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Geography
LocationGulf of Mexico
Coordinates24°39′11″N 81°32′56″W / 24.653°N 81.549°W / 24.653; -81.549
ArchipelagoFlorida Keys
Adjacent toFlorida Straits
Administration
StateFlorida
CountyMonroe

Park Key is an uninhabited island in the lower Florida Keys about 14 miles (23 km) east of Key West. It is 1500 meters long, and between 75 and 260 meters wide (190 meters on the average). It measures 70 acres (28 hectares) in area.

The island was made from fill, so that the railroad and later the road bed could be laid down. It is a habitat for Linum arenicola.1

U.S. 1 (or the Overseas Highway) crosses Park Key at about mile marker 18, between Lower Sugarloaf Key and Sugarloaf Key in the middle of Upper Sugarloaf Sound. It serves only as a causeway and is uninhabited.

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