West Seattle's best moorage is just minutes away from saltwater and Elliott Bay. Located south of downtown Seattle on the Duwamish River, Harbor Island Marina is convenient to West Seattle neighborhoods and the South Sound. The freshwater marina provides monthly recreational and commercial moorage. Amenities include: locked gates and secure facility, water and metered power, free parking, restrooms and showers, free sewage and pump-out, Clean Marina - 4 star Envirostar certified.
http://www.portseattle.org/Marinas/Harbor-Island-Marina/Moorage/Pages/Moorage-Rates-and-Info.aspx
Monthly recreational and commerical moorage only. Please visit website for rates and availability. Guest moorage not available.