GreatAmericanLakes

State park · Lake Ontario · New York

Wellesley Island State Park

A state park on the St. Lawrence River in Jefferson County, New York, established 1951, 2,636 acres. It counted 184,010 visitors in 2025. In or beside it: a lighthouse.

Chart of Wellesley Island State Park on Lake Ontario, with its beaches, lights and neighboring parks markedWaterson Point State ParkDewolf Point State ParkGrass Point State ParkCanoe-Picnic Point State ParkSt. Lawrence ReservationKeewaydin State ParkWellesley Island State Park

The park

On the record

Water
St. Lawrence River (Lake Ontario system)
Location
Jefferson County, New York
Nearest town
Alexandria Bay
Established
1951
Area
2,636 acres (4.1 sq mi)
Visitors
184,010 in 2025
Run by
New York State Office of Parks, Recreation and Historic Preservation
Coordinates
44.3166° N, 76.0205° W

Coordinates mark the park as Wikipedia pins it, not a gate or a lot. For big parks that can be miles from the beach.

On the point

The lighthouse

Along the shore

Nearest Ontario state parks

  1. Waterson Point State Park1.7 mi · 6 ac · NY
  2. Dewolf Point State Park1.8 mi · 13 ac · NY
  3. Grass Point State Park2.5 mi · 114 ac · NY
  4. Canoe-Picnic Point State Park2.8 mi · 70 ac · NY
  5. St. Lawrence Reservation3.5 mi · NY
  6. Keewaydin State Park4.5 mi · 282 ac · NY

Straight-line distance.

Source

Facts on this page are from the infobox of the Wikipedia article on Wellesley Island State Park and its Wikidata record, retrieved 2026-10-11. Beaches are from EPA’s BEACH Act list and lighthouses from Wikidata. A blank field means the record is silent. Rules, hours and fees change; the park’s operator has the final word.

Chart shoreline generalized from Natural Earth (public domain). Not for navigation. Something wrong or missing? Write to contact@greatamericanlakes.com.