Beach driving is at your own risk! A high-clearance, 4-wheel drive vehicle is needed to explore most of the island. The NPS does not tow non-government vehicles. The cost for a private wrecker down island can be several hundred to several thousand dollars. NPS Photo. Many people come to the National Seashore to escape the pressures of urban life and to experience the beauty of nature in isolation. One way to do this is to travel down-island into the park's most remote areas, which are only accessible with a high-clearance, 4-wheel drive vehicle. Before you explore the island in search of its wonderful mysteries and the awesome solitude it provides, please read the helpful tips that are written below.