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.
Facilities
Electricity
Water
Showers
Toilets
Boatbuilder
HauloutCOORDINATES
43.85048 N, -76.21079 E
Port Information
Telephone
Berth Sizes
< 10m, 10-20m
Depth at MLW
3m+
Manoeuvrability
Fair
Channel Marking
Fair
Overseas Visitor Berths
Yes
Dock Type
Fixed
Style Side To
Yes
Style Stern To
Yes
Tidal Flow
Negligible
Active Winter
No
Weather Forecast
Sat
9AM - 1PM
06 June 2026
S 10 knots decreasing to SW 8 knots. Gusts up to 23 knots.
20 to 25°C
S 0.4m at 2s period
Rain
Sat
1PM - 5PM
06 June 2026
- W 11 knots increasing to 19 knots. Gusts up to 36 knots.
- Decreasing from 22 to 18°C
- SW 0.4-1.3m at 3s period
UV Index: 4 - Moderate- Rain
Sat
5PM - 9PM
06 June 2026
- W 18 knots decreasing to 9 knots. Gusts up to 33 knots.
- Decreasing from 18 to 15°C
- W 0.7-1.3m at 4s period
- UV Index: 0 - Low
- Partly cloudy