Horizon Marina
- Type
- Harbour
Deep-water marina on the St. Lawrence River at Alexandria Bay, New York, in the Thousand Islands.
Guide
Approach and anchoring
Reached from the St. Lawrence River on the Alexandria Bay shore, beside the town dock. The berths are deep-water, with lighted pontoons.
Practical
There are 135 seasonal and transient berths with dock boxes, dock carts, WiFi and cable. The fuel berth has ethanol-free petrol and diesel. On site: a pump-out, a marine store with groceries and ice, restrooms, boat sales and engine repair, plus heated winter storage.
Ashore
The Thousand Islands Club, linked to the marina on the eastern end of Wellesley Island, has a pool, a restaurant, a playground and tennis courts. Alexandria Bay village and its tour boats to Boldt Castle are alongside.
Key facts
- Type
- Harbour
- Coordinates
- 44.33612, -75.92029 (44°20.17'N 75°55.22'W)
- Town
- Alexandria Bay
- Country
- United States
- Phone
- +1 315-482-9956
- Updated
- July 7, 2026
Getting there
Horizon Marina lies at 44°20.17'N 75°55.22'W, that is 44.33612, -75.92029 in decimal degrees.
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