Accessible Carousel Valley Marine - New & Used boats, Service, and Parts in Yakima, WA, near Union Gap, and Wapato Valley Marine Valley Marine in Union Gap, WA is central Washington's premier boat dealership. We carry Crestliner, Duckworth, Lowe, Lund, Mastercraft, North River and Weldcraft boats. We also have Mercury, Yamaha, and Honda outboard motors. Along with our great boat lines Valley Marine is also Yakima Valley's only pro water ski shop specializing in Radar water skis and Ronix wake and surf boards. Valley Marine has been in business for over 60 years and offers parts, service and sales departments to cover your marine needs.