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
Tue
5AM - 9AM
17 February 2026
Light and variable.
−1 to 2°C
Calm sea
UV Index: 0 - Low
Cloudy
Tue
9AM - 1PM
17 February 2026
- Light and variable.
- 1 to 4°C
- Calm sea
- UV Index: 0 - Low
- Cloudy
Tue
1PM - 5PM
17 February 2026
- Light and variable.
- 4°C
- Calm sea
- UV Index: 0 - Low
- Cloudy