Castillo de San Marcos in St. Augustine, Florida - Encircle Photos

20 Castillo de San Marcos in St. Augustine, Florida

This fortress was in military service for over 250 years. When built by the Spaniards in 1696, they named it Castillo de San Marcos. The walls were constructed with coquina. This is a mix of seashells and limestone. Encircling the citadel was a moat with seawater from Matanzas Bay. The British called it Fort St. Mark during their occupation from 1763-1783. When the U.S. took control in 1821, the Army base became Fort Marion. It was finally deactivated in 1933. Castillo de San Marcos is now a National Monument managed by the National Park Service.

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Castillo de San Marcos in St. Augustine, Florida

1 S Castillo Dr, St. Augustine, FL 32084

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