About Harbor Island Marina
: 1001 SW Klickitat Way, Seattle, WA 98134, United States West Seattle’s best moorage is just minutes away from saltwater and Elliott Bay. Harbor Island Marina located south of downtown Seattle on the Duwamish River, is convenient to West Seattle neighborhoods and the South Sound. The marina provides permanent monthly moorage for 77 vessels ranging from 26 to 70 feet (7.9 to 21.3 meters). Marina Amenities 4-Star EnviroStar Certified Clean Marina Liveaboard moorage - call for availability Monthly moorage with easy access to Elliot Bay and Puget Sound Free parking Restroom and showers Water and metered power Self service pumpout and port-o-potty station
Installations
Électricité
Eau
Douches
Eaux usées
Toilettes
Recyclage
NourritureCOORDINATES
47.56871 N, -122.34797 E
Port Information
Téléphone
Berth Sizes
< 10m, 10-20m, 20m+
Profondeur à la marée basse moyenne
2 - 3m
Manœuvrabilité
Good
Channel Marking
Excellent
Port d'entrée
No
Overseas Visitor Berths
Yes
Amarrages pour catamarans
Yes
Type de quai
Floating
Style Side To
Yes
Style Stern To
Yes
Tidal Flow
Negligible
Active Winter
Yes
Weather Forecast
Wed
5AM - 9AM
11 February 2026
N 6 knots decreasing to 4 knots.
2 to 6°C
Calm sea
UV Index: 0 - Low
Partly cloudy
Wed
9AM - 1PM
11 February 2026
- N 3–7 knots.
- Increasing from 4 to 9°C
- Calm sea
- UV Index: 1 - Low
- Partly cloudy
Wed
1PM - 5PM
11 February 2026
- N 4–7 knots.
- 9°C
- Calm sea
- UV Index: 0 - Low
- Mostly fine