Castillo de San Marcos National Monument
12 nearby within 25 mi
Photo: NPS Photo
2 current alerts
As of Sep 20, 2026 · from nps.gov
- Park closureConstruction for Seawall ProjectStarting July 27, 2026, Castillo de San Marcos National Monument will begin construction to replace, raise and rehabilitate the park’s failing seawalls. The historic fort will remain accessible throughout the project. Some areas outside of the fort will be closed for safety.
- InformationFee Stations Credit Card OnlyFee Stations are only accepting credit cards for the purchase of entry tickets and passes.
At a glance
- Entrance
- $15 per personValid 7 days
- Near the park
- 12 campgroundsWithin 25 mi
- Annual pass
- $45Castillo de San Marcos only
Camping near the park 12
- Aerial viewCampground
Camp site
2.6 mi · St. Augustine, FL
- Aerial viewCampground
Camp site
3.2 mi · St. Augustine, FL
Services nearby: 4 rest areas
About Castillo de San Marcos
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…
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.
Photos: NPS Photo
Things to do
- Living History
- Historic Weapons Demonstration
- Junior Ranger Program
- Park Film
Plan your visit
Getting there
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.
Weather
St. Augustine has a semi-tropical climate with over 300 days of sunshine each year. Summers (May-September) are hot, bright, and humid with afternoon thunderstorms common. Temperatures range from the lower 70s to the…
Plan your visit
Fees and passes
- Per person, 7 days$15
- Castillo de San Marcos annual pass$45
Hours
The Castillo de San Marcos is open to the public 7 days per week, except Thanksgiving Day (fourth Thursday in November) and Christmas Day (December 25). A maximum capacity of 100 visitors in the historic fort at any time will be in effect. First admission is at 9:00 a.m. and last admission is at 5:00 p.m. The Castillo closes and visitors must exit at 5:15 p.m. The park grounds are closed from midnight until 5:30 a.m.
Getting there
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.
Weather
St. Augustine has a semi-tropical climate with over 300 days of sunshine each year. Summers (May-September) are hot, bright, and humid with afternoon thunderstorms common. Temperatures range from the lower 70s to the mid 90s F. Spring (March-mid-May) and Autumn (October-late November) can be pleasant with temperatures ranging from the upper 50s into the 80s F. The Winter months (December-March) are usually dry. Temperatures can be cool ranging from the upper 30s through the 60sF.
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