The Seahunter III is a 65' foot twin diesel vessel that provides passenger service to Isle Royale National Park. It operates between Grand Portage, MN and Windigo, MI on the southwest end of the island. There is no car ferry service. Day-trip and overnight visits are offered. The Seahunter III runs on central time, whereas Isle Royale National Park is on eastern time; it is recommended to stay on central time during your trip.