From modest beginnings in 1998, the Silver Dollar family of Casinos has grown to become the largest mini casino chain in the state of Washington.  It began with the Silver Dollar Casino in Tukwila in August 1998, and has since grown to five Silver Dollar Casinos located in Mill Creek, Moutlake Terrace, Renton and Seatac.  In September 2001, the casino family expanded by adding the Golden Nugget casino in Tukwila.  A year later in March 2002, the Golden Nugget casino in Shoreline was acquired.  The newest additions to the casino family include the Riverside Casino in Tukwila and the Royal Casino in Everett (2006).

Washington Gaming owns and operates the Silver Dollar Family of Casinos which includes all Silver Dollar Casino, Golden Nugget Casinos, the Royal Casino and the Riverside Casino.  Washington Gaming is dedicated to providing the finest in gaming, hospitality, and entertainment in Washington state.