State Legislatures [ edit ]. Incumbent Richard Sanders was defeated by challenger Charlie Wiggins. There are more than casinos, mostly on tribal lands.gambling dealer visor THESAURUS FOR GAMBLING Washington State Supreme Court Upholds Legislation to Ban Internet Betting. 23 September by Devon Chappell. Tags: gambling in washington, online gambling bans, online gambling laws, online gambling regulation, online poker. It’s a felony to gamble online in Washington State. However, the law has never been enforced. Land-based gambling is legal throughout the state. Exemption of slot machines for charitable purposes from prohibition ruled unconstitutional by Washington State Supreme Court in the State ex rel. An online resource to gambling and poker laws for the state of Washington. Find out which legal poker sites are open to Washington state players. U.S. Solicitor General Jeffrey Wall Recommends Supreme Court to Reject New Jersey’s Sports Betting Appeal.