Mary Island State Park Camping
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Overview
A brief introduction to Mary Island State Park
Mary Island State Park is a 13-acre (5.3 ha) 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.
ARE Mary Island State Park campsites SOLD OUT?
We can help! Many campsite reservations are cancelled daily. Just tell us when you’d like to camp at Mary Island State Park, and how long you want to camp for. We’ll text you when a suitable spot opens up!
Scan for cancellationsContact Mary Island State Park
- Reserve America
- Booking site: https://www.reserveamerica.com
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Other nearby parks
Open to camping at other nearby parks? Here are a few other parks you'll find in the vicinity.
Reviews
Camper reviews for Mary Island State Park
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Map
View a map of Mary Island State Park
UNABLE TO RESERVE A CAMPSITE?
Get notified when a sold-out campground has availability
Tell us when, where, and how long you want to camp for. We’ll notify you (via SMS) when a suitable spot opens up at that campground—so you can nab that sold-out campsite reservation!
