federal government on February 14, 2000, consisting of 3,700 members but lacking an Indian reservation. The Cowlitz Indian Tribe was formally recognized by the U.S. The casino opened on April 24, 2017, after a lengthy legal battle over the tribe's right to establish a reservation on which to build the casino. The ilani Casino Resort ( / eɪ ˈ l æ n eɪ/ ay- LAN-ay) is a casino operated by the Cowlitz Indian Tribe and located near La Center, Washington.