Castillo De San Marcos National Monument · FL

Castillo De San Marcos National Monument is a national monument in Florida, managed by the National Park Service.About Castillo De San Marcos National MonumentBuilt by the Spanish in St. Augustine to defend Florida and the Atlantic trade route, Castillo de San Marcos National Monument preserves the oldest masonry fortification in the continental United States and interprets more than 450 years of cultural intersections.Things to do at Castillo De San Marcos National Monument

Historic & cultural site

Quick facts

Managed by: National Park Service

Designation: national monument

State: Florida

1 recorded activity

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Castillo De San Marcos National Monument, FL