Castillo de San Marcos National Monument
Step back in time at Castillo de San Marcos National Monument, America's oldest masonry fortress and a living piece of our nation's 350-year history. This incredible star-shaped fort in historic St. Augustine offers families an unforgettable journey through Spanish colonial times, complete with cannon demonstrations and tales of pirates and soldiers.
Junior Ranger Program at Castillo de San Marcos National Monument
The Junior Ranger program at Castillo de San Marcos transforms kids into historical detectives as they explore the fort's casemates, learn about colonial life, and discover the secrets of this ancient fortress. Children complete activities about the fort's construction, Spanish colonial history, and the various flags that have flown over this strategic stronghold.
- Watch live cannon firing demonstrations on weekends
- Explore dark underground chambers and prison cells
- Learn about pirates, Spanish soldiers, and colonial battles
Planning Your Visit
Van Life Tip: Park in the nearby Castillo Drive area or downtown St. Augustine lots, as the monument itself has limited RV parking due to historic district restrictions.
Plan Your Stay
Save on park entry with the America the Beautiful Pass — $80 for unlimited access to all 400+ National Park sites for a full year.
Where to Stay
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