A small hotel on the site opened just a few months earlier than that, in May of 1990. The casino has been celebrating the 30th anniversary of its original grand opening which took place in September of 1990. It has been a landmark month for the Virgin River Casino. Pictured l to r are Bertha Sandoval, Beryl Gussi, Lex Hall, Diane Gussi and Roberto Murataya. The Progress A group of long-time employees got together last week to reminisce about their careers spent at the Virgin River Casino, which celebrated its 30th anniversary last month.