The Castillo de San Marcos National Monument is located in downtown St. Augustine, Florida. St. Augustine is located on Florida’s Northeastern Atlantic coast about midway between Jacksonville and Daytona Beach.

Nearby Jacksonville and Daytona are served by international airports with easy access to I-95. Rental cars are available at the airports and also in St. Augustine.

From I-95: Take the exit for St. Augustine Historic Sites and Downtown (Route 16, Exit 318). Follow Rt. 16 to US 1. Turn right on US 1 for two miles to Castillo Drive. Turn left on Castillo to the traffic light. Turn right at the light. The Castillo and parking are ahead on the left.

From US A1A: The Castillo is located on A1A in downtown St. Augustine.

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