Saint Johns in St. Augustine in St. Johns County, Florida — The American South (South Atlantic)

Castillo De San Marcos

Photographed by Stephen Thomas White, February 4, 2026

1. Castillo De San Marcos Marker

Inscription.
Side 1
Greetings from La Florida's
Castillo De San Marcos

Side 2
America250FL Road Trip
St. Johns County's Castillo de San Marcos is a 17th-century coquina fortress in St. Augustine, the oidest city in the continental U.S. Explore its ancient walls, watch cannon firings, or stroll historic streets. With PGA golf courses nearby, the county blends colonial heritage with modern recreation, offering a captivating mix of history, culture, and coastal beauty for visitors seeking a timeless Florida adventure.
Florida's Pioneer Spirit

Erected by Florida Department of Transportation.

Topics and series. This historical marker is listed in these topic lists: Forts and Castles • Parks & Recreational Areas • Settlements & Settlers. In addition, it is included in the America 250 series list.

Location. 30° 5.662′ N, 81° 29.936′ W. Marker is in St. Augustine, Florida, in St. Johns County. It is in Saint Johns. It is on Interstate 95 (at milepost 302) west of County Route 206, on the left when traveling north. The marker is located at the I-95 S Rest Area. Touch for map. Marker is in this post office area: Saint Johns FL 32259, United States of America. Touch for directions.

Regionally, this marker is in First Coast

and in Greater Jacksonville.

It is also in the American South

and on the Eastern Seaboard. Globally, it is in the North Atlantic Region,

North America,

a Gulf of Mexico state,

the Western Hemisphere,

the Western World,

and the Anglosphere.

Historically, it finds itself in what was once New Spain,

the territory of the Mississippian Culture,

one of the Confederate States of America,

and the Antebellum South.

Other nearby markers. At least 8 other markers are within 8 miles of this marker, measured

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as the crow flies: Florida Honors and Remembers our POW’s and MIA’s (within shouting distance of this marker); The Golf Capital of the World (within shouting distance of this marker); a different marker also named Florida Honors and Remembers our POW’s and MIA’s (approx. ¼ mile away); St. Johns County Veterans Memorial (approx. 4.1 miles away); Jonathan Dickinson Shipwreck (approx. 6.4 miles away); Cattle Ranching (approx. 6.4 miles away); History of Palm Valley (approx. 7.2 miles away); a different marker also named History of Palm Valley (approx. 7.2 miles away).

Also see . . .
1. Castillo de San Marcos National Monument (U.S. National Park Service). (Submitted on September 18, 2026, by Stephen Thomas White of Norfolk, Virginia.)
2. Castillo de San Marcos National Monument. (Submitted on September 18, 2026, by Stephen Thomas White of Norfolk, Virginia.)

Photographed by Stephen Thomas White, February 4, 2026

2. Castillo De San Marcos Marker

Credits. This page was last revised on September 25, 2026. It was originally submitted on September 18, 2026, by Stephen Thomas White of Norfolk, Virginia. This page has been viewed 14 times since then. Photos: 1, 2. submitted on September 18, 2026, by Stephen Thomas White of Norfolk, Virginia. • Andrew Ruppenstein was the editor who published this page.