Castillo de San Marcos
A star-shaped fort of shell-stone, with cannon firings.

America's oldest city, founded by Spain in 1565, with a coquina stone fort and narrow old streets.
Castillo de San Marcos, from 1672, is the oldest masonry fort in the continental US. St. George Street has shops and old houses, and Flagler College was once a Gilded Age hotel.
A star-shaped fort of shell-stone, with cannon firings.
A pedestrian lane of old buildings.
Tours of the 1888 Ponce de Leon Hotel with its Tiffany glass.
An eclectic collection in another Flagler hotel.
Stay in the historic district.
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Worth a Detour
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Last checked 2026-11-01. Part of the Florida list.