Two brand-new floors of expanded gaming space will feature more than 1,500 additional slot machines, a new high-limit gaming room, new dining options, three new bars, and three luxury retail shops. (July 21, 2021) – After 35 years of delighting customers with premier entertainment, the San Manuel Band of Mission Indians will celebrate San Manuel Casino’s 35th anniversary by unveiling the first phase of the highly-anticipated resort expansion project on July 24, 2021. Phase one debut gives San Manuel the most slots in the Western United States, a new high-limit gaming room, more dining options, three bars, and three luxury retail shops San Manuel Casino Celebrates 35 Years With Phase One Opening Of $760m Resort Expansion Project