Discharge of firearms is prohibited in the park. Firearms may, however, be transported through the park provided they are unloaded and stored in such a way as to prevent use. Hunting is prohibited in the park and on the entire island. Trapping is prohibited in the park. The possession or use of firecrackers or fireworks is prohibited.
Fishing is permitted in accordance with Maine state law.
A state license is required for freshwater fishing. While licenses cannot be purchased in the park, they are available at all town offices, as well as at most hardware and sporting goods stores. All motorized vehicles are prohibited on park trails and carriage roads. All-terrain vehicles are not allowed anywhere in the park. Pets must always be on leashes no longer than six feet.