Great Location Covered Slip. Join the community at the Newport Yacht Basin, enjoy easy accessibility in and out of the marina! Conveniently located just off 405, south of I90 bridge, this boat slip is in the center of it all with easy access for loading and unloading your groceries and guests. The Newport Yacht Basin features many amenities in addition to easy moorage including a full-service repair shop with parts, gas pumps and restaurants. The marina is located on the east side of Lake Washington in Bellevue, Wa and is a condominium association, the first of its kind in the United States, which was developed in 1975.