Smith Island, more popularly known as Bald Head, is the state's most isolated coastal area and one of the last remaining wilderness areas along the Atlantic Coast. A familiar island landmark is the Coast Guard Lighthouse, built in 1817. The island is home to a number of wildlife species and contains numerous salt marsh areas. Visitors to the island are occasional, and the place can be reached only by boat. How long the island will remain untouched before it disappears under a conglomeration of concrete, beach houses, and hotels is unknown.