The green tunnel oak canopy and Spanish moss over the roadway is your welcome to this state park, an anachronistic island surrounded by quiet suburbs on Amelia Island. High profile vehicles need to watch overhead clearance, due to the canopy.

The eponymous 19th century third system fortification and museum has a wealth of information and interactive living history volunteers describing its operational span of Civil War, Spanish American War, and World War Two. Hiking, biking, wildlife, fishing, and birding are the other major activities here. There is a beach for swimming and surfing, Note St. Mary’s inlet is an active shipping channel with strong currents. Camp store and souvenir shop, special event and wedding planning. This is a major stop on the Great Florida Birding and Wildlife Trail, with some 100 avian species represented.

Group Primitive Campground favors youth groups with up to 11 month advance reservations, 30 days for adult groups if available. Three sites with capacity for 75. One of the best in the state parks system.

42 established tent sites in oak and Spanish Moss. Climate controlled bathrooms.

RV camp 21 back in sites with another six tent sites near the dunes. Renovated bathroom and laundry facilities, dump station.