Casino Queen Marquette is a 17,514-square-foot gaming establishment located on the western banks of the Mississippi River in Marquette, Iowa. The casino features over 400 slot machines and video poker games alongside table games including Tri-Lux Royal Match blackjack and electronic table games. Originally opened as a riverboat in December 1994, the property has undergone significant expansion with plans for a modernized dual-level gaming floor, new dining options, a sports bar, and enhanced accessibility. The facility offers a classic riverside casino experience in the scenic bluffs of Clayton County.