Drawbridge entrance to the Castillo de San Marcos

National Monument · Florida

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.

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Things to do

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

Weather & when to go

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.

Entrance fees

  • Entrance - Per Person

    The Castillo de San Marcos is considered to be a "walk-in" park. The entrance fee applies to each individual. Tickets are not transferable and cannot be given to other guests. Adults (Age 16 and above) entrance is $15.00 and valid for 7 consecutive days. Children (age 15 and under) are admitted free of charge but must be accompanied by an adult.

    $15.00

Operating hours

Castillo de San Marcos National Monument

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.

FAQ

How much does it cost to visit Castillo de San Marcos National Monument?
Entrance to Castillo de San Marcos National Monument costs $15.00 (Entrance - Per Person). The America the Beautiful annual pass ($80) covers entry at every NPS site.
What are the hours at Castillo de San Marcos National Monument?
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 …
Do I need a reservation for Castillo de San Marcos National Monument?
No timed-entry reservation is currently required to enter Castillo de San Marcos National Monument. Campgrounds and permits may still need to be booked separately on Recreation.gov.