In June 2011, an anonymous tip led to the arrest of two Oklahoma residents by the Sault Ste. The Kewadin Casino, Hotel and Convention Center opened in November 1985, originally as a one-room blackjack house. The Sault Tribe of Chippewa Indians Board of Directors approved the opening of a casino in 1984. It is one of the Kewadin Casinos, which are all owned and operated by the Sault Tribe of Chippewa Indians. Marie, Michigan which opened in November 1985. Kewadin Casino, Hotel and Convention Center is a casino, hotel, and convention center in Sault Ste.