National Monument
Castillo de San Marcos National Monument
- Designation
- National Monument
- State or territory
- Florida
- Coordinates
- 29.8979° N, 81.3122° W
- Park code
- CASA
Alerts
Parks Alerts posts this unit’s National Park Service alerts to the National Monuments feed: closures, hazards, and road and weather conditions. It checks for new alerts every 15 minutes.
The unit’s boundary, from the National Park Service.