Hydroplane and Raceboat Museum

We're racing through history!

The Hydroplane & Raceboat Museum is the nation's only public museum dedicated solely to powerboat racing.


Hydroplane & Raceboat Museum
5917 South 196th Street
Kent, WA 98032

Phone: (206) 764-9453
Email us


Open: 10am - 4pm Tuesday through Saturday.  Open till 8pm on Tuesdays and Thursdays.

General Admission:  $10
Seniors (60+) & Students under 16:  $5
Members & Children under 6:  Free




Hydroplane Museum / Covid-19 Update

Recent changes in the Washington State's "Safe Start" phased reopening plan make it possible for Museums to reopen at 25% capacity, provided they meet specific social distancing criteria. Our Museum Board of Directors is currently working to assure that we can meet those requirements and hope to announce reopening plans soon. However we must remain closed until we have all the requirements in place. When we are ready to reopen, we will announce it here first.


Mahogany and Merlot

The State of Washington is not allowing large public gatherings like Mahogany and Merlot to take place on Lake Chelan until Chelan County reaches Phase 4 in Governor Inslee’s Phased Approach to reopening Washington’s Businesses. It is mathematically impossible for Chelan County to progress through the Phased approach and achieve Phase 4 in time to hold Mahogany and Merlot this year. Therefore, it is with deep regret that we have no choice but to postpone Mahogany and Merlot until October 2 & 3, 2021.

News Posts

Putting the “Unlimited” into Hydroplanes

Posted by David D. Williams on January 11, 2020 at 12:50pm 2 Comments

Putting the “Unlimited” into Hydroplanes


Kirsten N. Johnson 

Gar Wood's great niece

When the calendar recently turned from 2019 to 2020, it marked the centurial of a truly epic year in speedboat racing history. 1920 was a year of speedboat glory for America, and for two men in particular. Gar Wood and Chris Smith - working out of a small boat shop in Algonac, Michigan - had now built the fastest speedboat in the world. With this boat, they had won the world’s supreme, Unlimited-class speedboat racing championship - the Harmsworth Trophy. The boat was the Miss America – a sleek hydroplane made of Philippine mahogany and driven by two converted 12-cylinder, 500 hp Liberty airplane powerplants.1

The powerplants that characterized “Unlimited” – the term used to describe a class of racing boats that have no restrictions on the displacement size of their piston engines – began a radical reformulation in 1918. Gar Wood, an auto mechanic turned newly-minted millionaire from his invention of the hydraulic hoist, was now indulging the boat-racing passion that he had developed in childhood. Outwardly personable and unassuming, Wood’s underlying fiercely competitive nature compelled his involvement in virtually every aspect of the design and building of his raceboats.

Applying the innovative thinking that had inspired his hoist invention, Wood saw a new potential solution to the problem of weight vs horsepower and speed. Marine engines were much heavier than the airplane engines of the…



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The Video Vault - Where History Comes Alive

The Video Vault is a private Group, on our web site, that provides Museum members access to hundreds of hours of hydroplane video footage. Some of the footage is very rare, not seen in public for decades. Here is how you can join!


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