Missouri 18+ Casinos

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Author: Stelly Lie
Latest update:September 25, 2025

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For residents of Missouri looking for 18+ casinos, the options are limited. Missouri state gambling laws permit 21+ players at land based casinos, whilst there are online options that have a minimum age of 18+.

Here is a list of casinos in Missouri and their minimum gambling age.

CasinoAddressLegal Age
Ameristar Casino Resort Spa St. Charles1 Ameristar Blvd, St. Louis, MO 6330121+
Ameristar Kansas City3200 North Ameristar Drive, Kansas City, MO 6416121+
Argosy Casino Hotel & Spa777 NW Argosy Casino Pkwy, Kansas City, MO 6415021+
Casino KC1800 E Front St, Kansas City, MO 6412021+
Century Casino Cape Girardeau777 North Main Street, Cape Girardeau, MO 6370121+
Century Casino Caruthersville777 E 3rd St, Caruthersville, MO 6383021+
Harrah’s Kansas City1 Riverboat Dr, St. Louis, MO 6411621+
Hollywood Casino St. Louis777 Casino Center Dr, St. Louis, MO 6304321+
Isle of Capri Boonville100 Isle of Capri Blvd, Boonville, MO 6523321+
Mark Twain Casino104 Pierce St, La Grange, MO 6344821+
St. Jo Frontier Casino777 Winners Cir, St Joseph, MO 6450521+