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Mary Island State Park

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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.

Access By Boat Only Boat rentals are available nearby, call the park for information.

Take the virtual tour!

Pets

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.

Contact Information 36661 Cedar Point State Park Drive
Clayton, NY 13624
Phone: (315) 654-2522
Thousand Islands Region
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