About Lake Ontario Mariners Marina
We are a full service marina located in beautiful Henderson Harbor on the banks of Lake Ontario. Situated at the end of the Harbor we offer deep, protected dockage, with easy access to the renowned fishing of Lake Ontario.

Installations
COORDINATES
43.85048 N, -76.21079 E
Port Information
Téléphone
Berth Sizes
< 10m, 10-20m
Profondeur à la marée basse moyenne
3m+
Manœuvrabilité
Fair
Channel Marking
Fair
Overseas Visitor Berths
Yes
Type de quai
Fixed
Style Side To
Yes
Style Stern To
Yes
Tidal Flow
Negligible
Active Winter
No
Weather Forecast
Sat
5AM - 9AM
07 February 2026
- NW 11–14 knots. Gusts up to 25 knots.
- −18 to −15°C
- NW 1.3m at 4s period
- UV Index: 0 - Low
- Chance of showers
Sat
9AM - 1PM
07 February 2026
- NW 10–14 knots. Gusts up to 25 knots.
- −18 to −16°C
- NW 1.0-1.3m at 4s period
- UV Index: 1 - Low
- Cloudy
Sat
1PM - 5PM
07 February 2026
- NW 10–14 knots. Gusts up to 22 knots.
- −16°C
- NW 0.9m at 4s period
- UV Index: 0 - Low
- Cloudy