Cumberland Island National Seashore

State: Georgia. Type: National Seashore administered by the National Park Service, protecting most of Cumberland Island, Georgia's largest barrier island, in Camden County near St. Marys. Authorized by Congress on October 23, 1972. About 36,415 acres total (roughly 18,700 federally managed), including a 9,886-acre designated wilderness (1982). Accessible only by boat; nearly all visitors arrive by the concessionaire-run ferry from St. Marys. Daily visitor capacity limited to about 300 people. Known for wild horses, Dungeness ruins, the Plum Orchard mansion and undeveloped beaches. 2025 visitation: about 60,299.

Cumberland Island National Seashore protects most of Cumberland Island, the largest and southernmost of Georgia's Golden Isles barrier islands, near the Florida line in Camden County. Reachable only by boat, the island is deliberately kept wild: there are no bridges, no commercial development to speak of, and daily visitation is capped at roughly 300 people, so the experience is one of empty beaches, live-oak maritime forest draped in Spanish moss, salt marsh and freshwater ponds. Cumberland is famous for its free-roaming feral horses, which wander the dunes, ruins and forest, and for the layered history of its human past, from Timucuan and Guale peoples and colonial-era settlement to the Gilded Age, when the Carnegie family built estates here. The burned ruins of the Carnegies' Dungeness mansion and the intact 1890s Plum Orchard mansion are centerpieces of the island's cultural story. Nearly 10,000 acres are federally designated wilderness. Most visitors arrive on the roughly 45-minute ferry from St. Marys, then explore on foot or by bike, with camping the only way to stay overnight in the seashore. The result is one of the most unspoiled stretches of the U.S. Atlantic coast.

Cumberland Island National Seashore lies in Camden County in the far-southeastern corner of Georgia, with the mainland gateway at St. Marys. The seashore covers about 36,415 acres, protecting most of Cumberland Island, which is Georgia's largest barrier island, along with beaches and dunes, marshes and freshwater lakes; roughly 18,700 acres are federally managed, and 9,886 acres are designated wilderness. The park's mainland visitor center and address are at 101 Wheeler Street, St. Marys, GA 31558. The island itself has no vehicle bridge and is reached by boat.

Cumberland Island has a humid subtropical, coastal climate with hot, humid summers and mild winters, moderated somewhat by the surrounding ocean and marsh. Biting insects such as mosquitoes and gnats can be intense in warmer, wetter months. As a low-lying Atlantic barrier island, it is exposed to the Atlantic hurricane season, June 1 through November 30. Because the island is undeveloped with limited shelter and services, visitors should come prepared for sun, heat, insects and sudden weather.

Spring and fall generally offer the most comfortable weather, with milder temperatures and fewer biting insects than the height of summer. Summer is hot, humid and buggy, though still popular for beach time, while winter is cooler and quiet, with reduced ferry service (the ferry does not run on Tuesdays and Wednesdays in winter). Because ferry trips regularly sell out, reserving ahead is important in any season, especially spring and fall weekends.

Cumberland Island has a long human history spanning Native American Timucuan and Guale peoples, Spanish and later British colonial activity, and plantation-era settlement. The name derives from the colonial period. In the late 19th century the island entered its Gilded Age chapter when Thomas and Lucy Carnegie, of the Carnegie steel family, acquired large tracts and built lavish estates. Their Dungeness mansion, built on the site of earlier structures, later burned and survives today as evocative ruins, while the 1890s Plum Orchard mansion remains intact and is preserved by the Park Service. In the mid-20th century, development pressure on the island prompted a preservation effort, and Congress authorized Cumberland Island National Seashore on October 23, 1972, to protect the island's beaches, forests and historic estates. In 1982, Congress designated 9,886 acres of the seashore as wilderness. The Dungeness and Plum Orchard estates were recognized as historic districts, and the seashore continues to preserve both the island's natural systems and the traces of its Native American, colonial and Gilded Age past.

The signature experience is simply exploring an undeveloped barrier island on foot or by bike: walking miles of empty Atlantic beach, hiking maritime-forest and marsh trails, and watching for the island's free-roaming wild horses, deer, armadillos, shorebirds and other wildlife. Visitors tour the Dungeness Historic Area with its dramatic mansion ruins and the surrounding grounds, and can join the ranger-led Lands and Legacies motor tour to reach more distant sites such as the Plum Orchard mansion and the north-end settlement. Beachcombing, birding, photography and quiet nature immersion are central. Camping, in developed and backcountry sites, is the only way to stay overnight and lets visitors experience the island after the day-trippers leave.

The Dungeness Historic Area, with the burned ruins of the Carnegie mansion and its outbuildings and gardens near the island's south end, is the most-visited site and a short walk from the Dungeness ferry dock. The intact 1890s Plum Orchard mansion, farther north, is a Gilded Age highlight reachable via the Lands and Legacies tour. The island's wide, undeveloped beaches and dunes, its maritime forest, and the designated wilderness area are natural draws. On the mainland, the seashore's St. Marys visitor center and museum orient visitors before the ferry crossing.

There is no bridge to Cumberland Island; nearly all visitors arrive by the park concessionaire ferry from St. Marys, Georgia, a roughly 45-minute crossing. The ferry departs from the Cumberland Island National Seashore Visitor Center in St. Marys and does not carry vehicles, kayaks or canoes, though a limited number of bikes can be reserved. St. Marys is reached by car off Interstate 95 in far-southern Georgia; the nearest major airport is Jacksonville International Airport in Florida to the south. Even with advance tickets, visitors must check in at the St. Marys visitor center before departure.

As of research, the mainland visitor center in St. Marys is open daily 8 a.m. to 4 p.m., the mainland museum 1 p.m. to 4 p.m. daily, and the Sea Camp Ranger Station on the island 10 a.m. to 4:30 p.m. daily when staff are available. Ferry departures from St. Marys are typically 9 a.m. and 11:45 a.m. (March 1-November 30, daily), with returns at 10:15 a.m. and 4:45 p.m. and an added 2:45 p.m. return Monday-Saturday through September 30. In winter (December 1-February 28) the ferry does not operate on Tuesdays and Wednesdays. All park buildings are closed December 25. Confirm current schedules on nps.gov/cuis and the ferry site before your trip.

The park entrance fee, as of research, is $15.00 per person for a 7-day pass (ages 16 and up), or a $45 annual pass covering the owner plus three accompanying adults; children 15 and under enter free, and America the Beautiful federal passes are accepted. The ferry is a separate, additional cost run by the concessionaire: as of research, $44.00 plus tax for adults (16+), $42.00 plus tax for seniors (62+), $34.00 plus tax for youth (6-15), and free for children 5 and under. The park is cashless and does not accept cash. Camping carries its own separate fees. Confirm current pricing on the NPS and ferry websites before booking.

Most visitors experience Cumberland as a full-day trip built around the ferry schedule, allowing several hours to walk to the Dungeness ruins and beach and back. To see more of the island, including Plum Orchard and the north end, or to enjoy the beaches after day-trippers leave, an overnight camping stay (up to seven nights) is worthwhile. The ranger-led Lands and Legacies tour also fills much of a day.

Within the seashore, camping is the only overnight option, ranging from the developed Sea Camp campground near the ferry dock to backcountry wilderness sites, all requiring reservations and self-sufficiency, with a seven-night maximum stay. There is one historic inn on a private inholding on the island, but the park itself offers no hotels. For hotel and motel lodging, most visitors stay on the mainland in and around St. Marys, or farther afield toward Kingsland, Brunswick or across the Florida line near Fernandina Beach and Jacksonville.

There are no stores or restaurants on Cumberland Island, so day-trippers and campers must bring all their own food and water; the island is undeveloped and services are minimal. Dining options are on the mainland in St. Marys, a small waterfront town near the ferry dock with restaurants and cafes, with additional choices in nearby Kingsland and across the state line toward Fernandina Beach, Florida. Plan to eat before or after the ferry, or pack a picnic for the island.

The mainland town of St. Marys, with its waterfront and small museums, is the gateway and worth time before or after the ferry. Just across the Florida line, Fernandina Beach on Amelia Island and Fort Clinch offer beaches and history, and Jacksonville lies farther south. To the north, other Golden Isles destinations such as Jekyll Island and St. Simons Island are within driving distance for a broader coastal-Georgia itinerary.

The mainland gateway of St. Marys is reached by car off Interstate 95 in far-southern Georgia. The nearest major airport is Jacksonville International Airport in Florida to the south; Brunswick has a smaller regional airport to the north. From St. Marys, the only way to the island is the concessionaire ferry, which does not carry vehicles; on the island there are no roads open to visitor vehicles, so travel is by foot, bike (limited rentals/reservations) or the ranger-led motor tour.

The island is wild and largely without services, so carry plenty of water, sun protection and insect repellent, and know that there are no stores. Keep a safe distance from the free-roaming wild horses and other wildlife; despite appearances, the horses are feral and can kick or bite. Watch tides when walking beaches, be aware of biting insects and heat, and note that cell coverage is limited. Do not miss the last ferry, as there is no other way off the island. For emergencies, dial 911; rangers are also on the island.

Bring all your own drinking water and food, plus sunscreen, a hat, insect repellent, sturdy walking shoes and a refillable water bottle. A map, layered clothing and rain protection help given the island's exposure and limited shelter. For campers, all camping gear and supplies must be packed in and out. A camera for the ruins, beaches and wild horses is popular. Because the park is cashless, bring a card for any fees.

Reserve ferry tickets well in advance, since trips regularly sell out, and arrive at the St. Marys visitor center early to check in (you must be checked in ahead of departure). Plan your day around the ferry return times so you don't get stranded. Pack in everything you'll need, food, water, sun and bug protection, because nothing is sold on the island. Consider camping or the Lands and Legacies tour to see more than the Dungeness area. Note the park is cashless, and confirm winter ferry days (it doesn't run Tuesdays and Wednesdays in winter).

Dial 911 for any emergency. For visitor questions, the Cumberland Island National Seashore park office and St. Marys visitor center can be reached at (912) 882-4336, per its official visitor information; the mainland visitor center address is 101 Wheeler Street, St. Marys, GA 31558.

Cumberland Island National Seashore (National Park Service) - https://www.nps.gov/cuis/index.htm ; Cumberland Island Ferry - https://www.cumberlandislandferry.com

This section is being updated and will be available shortly.

This section is being updated and will be available shortly.

This section is being updated and will be available shortly.