Isle Royale National Park regulations are intended to protect park resources and visitor experiences. Visitors are responsible for adhering to regulations. The park’s boundary extends 4-1/2 miles into Lake Superior from the outer islands or to the international boundary. No pets allowed.
 

• Isle Royale National Park Boating Regulations

Permits

All boaters staying overnight at anchor, at docks, or in campgrounds must first obtain a camping permit in-person at Houghton, Rock Harbor, or Windigo. Boaters may also obtain their permit in advance. Permits should be displayed on the boat when at anchor, at dock, or in the campground on a shelter or tent.