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Mary Island State Park

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General Information

Mary Island State Park
Copyright: - New York State Parks, Recreation & Historic Preservation
Mary Island State Park
Description - Mary Island is located to the east of Wellesley Island. Access is by boat only from either Grass Point State Park (4 miles over water), or Keewaydin State Park, which is 2 miles from the island. A campground and picnic area are the main attractions besides boating and fishing.

Attractions - Mary Island State Park comprises 12 heavily wooded acres with steep rocky outcroppings. Twelve waterfront campsites are scattered throughout the park, offering seclusion and spectacular views of the Canadian shore. Boats may be beached or moored near campsites. The park has a picnic area and several foot trails.

Recreation - Mary Island offers fishing, power boating, dockage, picnic area and campground. The park is open for camping from mid-May to Labor Day.

Climate - The Mary Island State Park area has a varied climate with average January temperatures ranging from below 14 degrees reaching to 22 degrees Fahrenheit (below -10 to -6 degrees Celsius). Summer temperatures average between 72 degrees and below 68 degrees Fahrenheit (22 to below 20 degrees Celsius). Precipitation in the region ranges from less than 36 to 40 inches of rain and snowmelt.

Location - Mary Island State Park is located north of Alexandria Bay in St. Lawrence River. Boat access only.

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More Information

Contact Information:
Mary Island State Park, 36661 Cedar Point State Park Drive , Clayton, NY, 13624, Phone: 315-654-2522

Additional Information:
New York State Parks - The New York Office of Parks, Recreation & Historic Preservation offers 152 parks, 35 historic sites and 27 golf courses for all tastes, ages and abilities.
Thousand Islands Travel Region - The Saint Lawrence River and the great Lake Ontario offer beautiful sandy beaches, optimal fishing, sailing and boating opportunities. Numerous smaller waterways provide excellent fly fishing, paddle boating and whitewater sports. Military museums, forts and battlefields dot the landscape.

New York State Parks, Recreation & Historic Preservation - Official agency Website


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