I-95 to exit 3, go East onto Highway 40, travel approximately 10 miles to the Historic District of St. Marys, turn left on St. Marys Street. Cumberland Island National Seashore Visitor's Center is a two story blue building on the water side of the street. Parking is located behind the Seashore's administration building, one block west of the visitor center. Buses will find parking on Seagrove Street.