20th Street - Marathon

Monroe County Road 931

Unlike the section of original Monroe County Road 931 along Sombrero Beach Boulevard, the segment along 20th Street is mostly abandoned, with just a short spur serving just a handful of buildings south from U.S. 1 on Palm Island. The portion along Boot Key is inaccessible as the 1972 draw bridge across Boot Key Harbor was closed by the late 2000s.

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Page Updated Tuesday August 13, 2024.