About Thousand Islands Club- Horizon Marina
Our premier yacht club, the Thousand Island Club on Wellesley Island, has 135 seasonal/transient deep water slips, complete with dock boxes, dock carts, state-of-the-art shore power pedestals with dockside water, wi-fi, cable TV, lighted docks and grounds, in a peaceful pristine setting. With 20 plush individual bathrooms, exercise room, tennis, volleyball and basketball courts, pool, restaurant, playground, gazebo’s, hammocks, dog walks and much more, you’ll know you’ve found your ultimate boating destination in the Thousand Islands Club!

Facilities
COORDINATES
44.33955 N, -75.93493 E
Port Information
Telephone
Berth Sizes
< 10m, 10-20m
Depth at MLW
3m+
Manoeuvrability
Good
Channel Marking
Fair
Overseas Visitor Berths
Yes
Catamaran Berths
Yes
Dock Type
Floating
Style Side To
Yes
Style Stern To
Yes
Tidal Flow
Negligible
Active Winter
Yes
Weather Forecast
Sat
9AM - 1PM
04 April 2026
- NE 4–6 knots.
- Increasing from 7 to 12°C
- Cloudy
Sat
1PM - 5PM
04 April 2026
- NE 5 knots increasing to 7 knots.
- Decreasing from 12 to 9°C
- UV Index: 0 - Low
- Cloudy
Sat
5PM - 9PM
04 April 2026
- NE 4–11 knots veering SE 4-11 knots. Gusts up to 22 knots.
- 7 to 13°C
- UV Index: 0 - Low
- Chance of showers