Entrance Fee
$15.00
/ Entrance - Per Person
Park Hours (Today)
9:00AM - 5:00PM
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About the Park
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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Self-Guided Tours

Interior Rooms: Self-Guided Tour
This tour takes you through the Castillo's interior rooms and gundeck. It walks you through a basic overview of the fort's near 350 years of history. The tour begins after you cross the moat and step inside the fortress. Enjoy!

Interior Wayside Exhibit - Self-Guided Tour
This guide walks you through some of the unique interior wayside exhibits at Castillo.

Artillery Collection Tour
This is a walking tour of all the Cannons and Mortars on display here at Castillo de San Marcos. It begins at the top of the stairs and next to the flagpole.
Parking & Access
Getting Here
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.
Official NPS directionsParking Lots
Castillo Visitor Lot
The Castillo visitor lot is located on park grounds approximately 100 yards from the ticket booth. Meters are provided by the City of St. Augustine; parking costs $2.50 per hour from 8 a.m. to 5 p.m. Parking is free between 5 p.m. and 8 a.m.
Open in MapsGetting Here & Transit
How to Get Here
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.
Park Amenities
Entrance Fees & Passes
Standard Fees
Entrance - Per Person
$15.00The 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.
Annual & Lifetime Passes
Annual Entrance - Park
$45.00Pass covers entrance fees only at Castillo de San Marcos National Monument. Pass allows one passholder to print and sign their name and is valid for 12 months through the month of purchase. Pass covers the passholder and three additional adults (16 and over) when entering the Castillo.
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.
- Monday9:00AM - 5:00PM
- Tuesday9:00AM - 5:00PM
- Wednesday9:00AM - 5:00PM
- Thursday9:00AM - 5:00PM
- Friday9:00AM - 5:00PM
- Saturday9:00AM - 5:00PM
- Sunday9:00AM - 5:00PM
Photos

Furnace for heating cannon balls

Four black iron cannon mounted on carriages line the walls of the Castillo.

Re-enactors of the first Spanish period cover their ears while firing a cannon.

Aerial view of the Castillo and the city of St. Augustine
When to Go
Crowd CalendarPlan your trip around peak seasons to avoid crowds or embrace the energy of the busy months. Our crowd predictions are based on historical NPS Visitor Use Statistics.
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Best Time
Year-round
Trip Length
1 day
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