Mary Island State Park
| Use attributes for filter ! | |
| Operator | New York State Office of Parks, Recreation and Historic Preservation |
|---|---|
| Number of visitors | 3,415 |
| Island group | Thousand Islands |
| Date of Reg. | |
| Date of Upd. | |
| ID | 1133888 |
About Mary Island State Park
Mary Island State Park is a 13-acre state park located in the St. Lawrence River in Jefferson County, New York. The park is situated in the Town of Alexandria on the east end of Wellesley Island, and is accessible only by boat.
