Harbour

Horizon Marina

Alexandria Bay, United States
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
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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Nearby

JP's Marine

Alexandria Bay, United States

Harbour0.1 NM

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