Castillo de San Marcos National Monument

Saint Augustine, FL

Castillo de San Marcos National Monument

Adventure with your pack

Plan your trip to Castillo de San Marcos National Monument

Build a pet-friendly route with campgrounds, stops, and travel details tailored to your crew.

Plan your trip

Amenities

  • Living History
  • Historic Weapons Demonstration
  • Junior Ranger Program
  • Park Film

About Castillo de San Marcos National Monument

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.