However, Ilani Casino Resort in Ridgefield is just 20 miles away. If you are looking for casinos in Vancouver, Washington you are out of luck. The hours of operation are noted in each casino’s listing for those not open 24 hours. Most Washington casinos are open on a 24-hour basis. Just click here to see a list of slot machine payback statistics for all U.S. Unlike the casinos in Washington state, in many states, the slot machine payback statistics for that particular state’s casinos are released as a matter of public record. There are 29 federally recognized tribes in Washington State. Washington State does allow sweepstakes, which offers free slots and the chance to win cash prizes. Because of this, we don’t expect to see legal online casinos available in Washington State for quite a while. There have been attempted bills in favor of online casinos but nothing ever seems to come out of them. If there is one state you don’t want to attempt gambling online in, it’s Washington State. Online casinos and online slots are strictly prohibited and anyone caught playing or operating would face serious charges. Compared to the other states in America, Washington State probably has some of the strictest rules around online gambling.