The gaming floor floats on a basin filled with 340,000 gallons of water, but the rest of the property's amenities are built on dry land.

[2][3] The group that would ultimately open the Casino Queen, led by real estate developer Bill Koman, submitted its proposal to the Illinois Gaming Board in January 1992.

[9] Changed regulations led to the casino to be moved inland in 2007, but the gaming floor would still be required to float on water.

To meet the requirements, the casino building has a basin filled with 340,000 US gallons (1,300,000 L; 280,000 imp gal) of water on which the gaming floor was placed.

The East Riverfront station of the MetroLink light rail system is located directly next to the casino property.