National seashores are located in ten states and national lakeshores are in three other states. Florida, North Carolina, and Michigan each have two. Point Reyes is the only national seashore on the Pacific coast. The largest national seashore or lakeshore is Gulf Islands, at over 137,000 acres (550 km2); the smallest is Indiana Dunes, at 15,000 acres (61 km2). The total areas protected by national seashores and lakeshores are approximately 595,000 acres (2,410 km2) and 229,000 acres (930 km2), respectively.
Adjacent to the Kennedy Space Center, this barrier island has a variety of recreational activities including hiking, boating, and fishing. The Seminole Rest features an ancient Native American mound, and Eldora Statehouse shows historic life on the lagoon. Florida's longest undeveloped Atlantic beach surrounds Mosquito Lagoon, which is home to dolphins, manatees, and sea turtles, along with a variety of sea grasses.
Cape Lookout National Seashore is made up of three islands of the Outer Banks. It is known for its wild horses and the Cape Lookout Lighthouse. Hiking, camping, fishing, and birdwatching are popular recreational activities. It is also home to two historic villages.
Seven main islands have four historic forts built by the Spanish, British, and Americans that were used for defense in the Civil War. Apache Indians once lived here, including Geronimo. There are nature trails for wildlife viewing and long beaches for snorkeling, biking, and other activities.
Padre Island, the world's longest undeveloped barrier island, is a nesting ground for the Kemp's ridley sea turtle and a migratory site for Least Terns, Brown Pelicans, and Piping Plovers. Malaquite Beach provides a variety of recreational activities, and Novillo Line Camp has the remains of a cattle ranch. The military used part of the island as a bombing range during WWII.
21 islands and shoreline on the northern tip of Wisconsin on the shore of Lake Superior. It is known for its collection of historic lighthouses, sandstone sea caves, a few old growth remnant forests, and natural animal habitats