Sundown Sport and Marine was established in 1977, and has been meeting the demands of the Tri-Cities boating community ever since. We are currently nestled on the banks of the Columbia River in Richland, Washington. Sundown offers same-day service, a wide range of parts and accessories, as well as all of your on-the-water toys and sporting equipment from the best brands in the industry. Sundown is the one-stop shop for all your boating needs.