Access By Boat Only - Boat rentals are available nearby, call the park for information.
Mary Island State Park comprises 12 heavily-wooded acres with steep rocky outcroppings offering spectacular views of the Canadian shore or the shipping channel. Boats may be beached or moored near campsites. The park has a picnic area and several foot trails.
Must have proof of current rabies vaccination - certificate inoculation or dated collar tag. Household pets only, caged or on a leash, not more than 6 feet. Not permitted in picnic areas.