Castillo De San Marcos National Monument

National Park Service, Florida.

Built 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.

Activities and Experiences

  • Castillo De San Marcos National Monument Tours

Nearby Activities

  • Historic & Cultural Site

Directions

On State Route A1A overlooking Matanzas Bay in the heart of the historic district of Saint Augustine, the Castillo is approximately a five mile drive from Interstate 95.

Additional Information

  • Castillo De San Marcos National Monument Official Website
  • Castillo De San Marcos National Monument Map

Photo Gallery

  • Castillo DrawbridgeCrossing a dry moat, this drawbridge was the only way into the Castillo.
  • Castillo de San Marcos Hot Shot FurnaceThis furnace, in the water battery on the east side of the Castillo, heated cannonballs red hot to be fired at wooden vessels.
  • Castillo de San Marcos CannonThe Castillo features both iron and bronze cannon and mortar from the period.
  • Castillo de San Marcos Cannon FiringCannon firing demonstrations are scheduled five times a day every Friday, Saturday, and Sunday.
  • Castillo de San Marcos Aerial Viewthe Castillo commands the northern edge of the heart of downtown St. Augsutine.

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