Fees & Reservations
The Castillo de San Marcos is considered to be a "walk-in" park. The entrance fee applies to each individual.
Children (age 15 and under) are admitted free of charge but must be accompanied by an adult.
Learn about the Interagency Passes here.
The City of St Augustine maintains a parking lot in front of the Castillo. The cost is $1.50 per hour which is paid at automated stations which accept most denominations of U.S. coin and currency as well as credit and debit cards.
You may want to consider using the city's parking garage which is only a block away from the Castillo. It is conveniently located and will provide shade for your vehicle.
Did You Know?
The Castillo de San Marcos was originally constructed to defend Florida against pirates hunting the Spanish treasure fleets traveling along the Gulf Stream. Castillo de San Marcos National Monument, Florida