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-> A restocking fee may to all returns and exchanges.

-> Refunds require original invoice/receipt within 30 days of purchase.

-> No refunds on installed products.

-> No refunds on special order products.

-> No refunds on electrical products.


Multnomah Yacht Harbor offers covered/uncovered moorage and trailer storage. CONTACT US FOR SLIP AVAILABILITY AND RATES.




Boat and Trailer Sales

Multnomah Yacht Repair & Commercial Marine Power Systems has been a reputable business in the maritime industry for over 25 years; earning trust by providing honest customer service. We are an authorized dealer of King Trailers, and provide used boat brokerage services, offering an assortment of used boats for sale in Portland.

King Trailer Sales

As a dealer of King Trailers, the salt water trailer, we can provide you with a quote for a new trailer to fit your vessel or parts to upgrade your current trailer. Included with the purchase of a new King Trailer, our staff will professionally fit your vessel to the trailer and load your vessel to the new trailer. We also complete the necessary DMV registration as part of our service. King Trailers are top of the line. King Trailers come standard with many of the features that other trailers only offer as options, such as nitrogen filled tires and led lights. To learn about King Trailers, please visit

Used Boat Sales

The used boats we source are typically from customers of our repair yard or moorage, wishing to sell their vessels. Other boats come to us as repossessions or are liened. While we do not carry an inventory online, as the boats offered are ever changing, one of our cheerful office staff will be happy to provide a current listing of what we have available.

From power boats to sailboats, we have a variety of used boats for sale, which are conveniently located for interested parties to view. We also perform “survey haul-outs” for boat buyers and sellers, and for vessels that need to be inspected for insurance renewal.

If you are looking for a new trailer or boat, or would like to list your own boat for sale, please feel free to call us at 503-737-1651, or send us an email at