Fodor's Expert Review Cumberland Island National Seashore

Encompassing the vast majority of Cumberland Island, this 36,347-acre preserve has pristine forests and marshes marbled with wooded nature trails, 18 miles of undeveloped beaches, and opportunities for fishing, bird-watching, and viewing the ruins of Thomas Carnegie's great estate, Dungeness. You can also join history and nature walks led by Park Service rangers. Bear in mind that summers are hot and humid and that you must bring everything you need, including your own food, drinks, sunscreen, and insect repellent. The only public access to the island is via the Cumberland Queen II ferry.