When Engelstad died in 2002, the casino ownership transferred to the Ralph Engelstad and Betty Engelstad Trust. The property opened for business officially on December 22, 1997, as the Imperial Palace Hotel and Casino Biloxi, the sister of the Imperial Palace in Paradise, Nevada. It was founded by Minnesota businessman Ralph Engelstad. The IP Casino Resort Spa is a resort located in Biloxi, Mississippi. Please help improve it by removing promotional content and inappropriate external links, and by adding encyclopedic content written from a neutral point of view. This article contains content that is written like an advertisement.