Fee: Campsites $18-$33/night (+$5/night for non-NYS residents); cabins available.
About this park
Wellesley Island State Park is the largest camping complex in the Thousand Islands region, with 432 campsites. Fishing is excellent for perch, smallmouth bass, pike and muskie. Boaters have a full-service marina and four boat launches. A sandy river beach offers swimming and sunbathing, and the park has a camp store, laundromat, arcade and a nine-hole golf course. Cabins are available.
Wellesley Island State Park FAQ
Where is Wellesley Island State Park located?
Wellesley Island State Park is in Fineview, New York, at 44927 Cross Island Road. GPS coordinates: 44.3292, -76.0154. Get directions.
Is there an entrance fee at Wellesley Island State Park?
Campsites $18-$33/night (+$5/night for non-NYS residents); cabins available. Fees can change by season, so confirm with the park before you go.
How do I contact Wellesley Island State Park?
You can call (315) 482-2722. The park office can confirm RV site availability, hookups, length limits and current conditions.
Are there RV campgrounds near Wellesley Island State Park?
Yes. The closest RV-friendly campgrounds listed on ParkedRV are:
- Moosalamoo Campground (150.9 mi, reservable)
- Chittenden Brook Campground (158.1 mi, reservable)
- Hapgood Pond (172.6 mi, reservable)
How current is this information about Wellesley Island State Park?
This listing was last updated on October 5, 2026. If something is out of date, let us know and we'll fix it.