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Harbor Island Marina at the Seattle Boat Show

Visit the Port of Seattle booth at the Seattle Boat Show January 27 through February 4, 2017. See you there!

Sign-Up for Marina Updates via Text

Get important marina updates straight to your phone! Harbor Island Marina is excited to announce urgent marina updates, events, and important news via SMS text. Text "water" to 206-428-7589 to sign-up. Text "stop" at any time to stop receiving updates. Contact the marina office at 206-787-3006 when needed.

Port of Seattle at the Marine Industry Career Fair

Curious about a career in the marine industry? Come visit us (and others who are hiring) at the Seattle Boat Show's Marine Industry Career Fair. Many companies even provide the training! Visit the Seattle Boat Show's career fair webpage for more information.

Join the Marina Watch

Harbor Island Marina has a marina watch program. If you are interested in being a part of the program, please contact Business & Operations Manager Giuseppe Alvarado at 206-787-3914 or

Parking Policy

New Harbor Island Marina Parking Policy

Sublease Program

Read this memo to customers (PDF) regarding sublease changes. 

Vessel Insurance Requirements and Instructions

Download the complete details here.

We're Green!

Harbor Island Marina is a "Clean Marina" and EnviroStar Washington certified marina, earning the highest 4-star rating for preventing pollution and reducing hazardous waste. Learn more about EnviroStars and the Clean Marina Program. Read our Environmental Required Management Practices.

$25 Waitlist Fee for Moorage at Harbor Island Marina

The Port of Seattle implemented a $25 nonrefundable fee to apply to the Wait List for Harbor Island Marina.
If moorage is not available (see moorage availability), you have the option of applying for the waitlist. If you are interested in monthly moorage, download the application here. Please contact marina office if you need an application mailed to you. 
Completed applications may be returned via mail, email, or fax to the address indicated on the application.

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