Mary Island State Park
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Mary Island State Park is located in the St. Lawrence River in the Town of Town of Alexandria in Jefferson County, New York. The park is accessible only by boat (On the east end of Wellesley Island).
List of Activities and Services
Docking, Fishing, Picnic tables, Powerboats, Tent/trailer sites. Camping Mid-May to Labor Day.
- Key words: Secluded, heavily wooded campsites with spectacular views.