After Savannah, we turned and headed back toward Florida for our niece’s confirmation weekend. We had an extra week to fill, and Crooked River State Park, near St Mary’s, Georgia, looked great and had availability. We had a water/electric site, but if we had booked early, there were also full hookup and riverfront sites. St. Mary’s is the gateway to Cumberland Island National Seashore. We explored the historic waterfront downtown, visited the museum and visitor center, and were able to book last-minute ferry tickets to the island. Once on the island, we started the ~5-mile Dungeness Loop trail, which took us to the Carnegies’ former vacation home, Dungeness ruins. The…