About Commercial Marine
Private Marina We are located in Lake Union on Westlake Avenue North, less than 5 miles to downtown Seattle. We have 6 long docks, all boats side tie to docks. We have about 70 boats in our marina ranging in size from 18 feet to 65 feet. We are family-owned dating back over 50 years.
Facilities
Electricity
Water
Showers
Toilets
Diesel
Sewage
Boatbuilder
HauloutCOORDINATES
47.64362 N, -122.34289 E
Port Information
Telephone
Berth Sizes
< 10m, 10-20m
Depth at MLW
3m+
Manoeuvrability
Fair
Channel Marking
Excellent
Port of Entry
No
Overseas Visitor Berths
No
Dock Type
Floating
Style Side To
Yes
Tidal Flow
Nil
Active Winter
Yes
Weather Forecast
Thu
5PM - 9PM
26 February 2026
SW 12 knots. Gusts up to 24 knots.
7°C
SW 0.5m at 2s period
Mostly fine
Thu
9PM - 5AM
26 February 2026
- S 7–12 knots. Gusts up to 18 knots.
- 5 to 7°C
- Calm sea
UV Index: 0 - Low- Partly cloudy
Fri
5AM - 9AM
27 February 2026
- S 8–10 knots.
- 6°C
- Calm sea
- UV Index: 0 - Low
- Partly cloudy