For residents of Mississippi looking for 18+ casinos, the options are limited. Mississippi 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 Mississippi and their minimum gambling age.
| Casino | Address | Legal Age |
| Hollywood Casino Gulf Coast | 711 Hollywood Blvd, Bay St Louis, MS 39520 | 21+ |
| Silver Slipper Casino | 5000 S Beach Blvd, Bay St Louis, MS 39520 | 21+ |
| Beau Rivage Resort and Casino | 875 Beach Blvd, Biloxi, MS 39530 | 21+ |
| Boomtown Casino Biloxi | 676 Bayview Avenue, Biloxi, MS 39530 | 21+ |
| Foxwoods Resort Casino | 185 8th Street, Biloxi, MS 39530 | 21+ |
| Golden Nugget Biloxi | 151 Beach Boulevard, Biloxi, MS 39530 | 21+ |
| Hard Rock Hotel & Casino Biloxi | 777 Beach Blvd, Biloxi, MS 39530 | 21+ |
| Harrah’s Gulf Coast Casino | 280 Beach Boulevard, Biloxi, MS 39530 | 21+ |
| IP Casino Resort Spa | 850 Bayview Ave, Biloxi, MS 39530 | 21+ |
| Palace Casino Resort | 158 Howard Ave, Biloxi, MS 39530 | 21+ |
| Treasure Bay Casino and Hotel | 1980 Beach Blvd, Biloxi, MS 39531 | 21+ |
| Bok Homa Casino | 1 Choctaw Rd, Heidelberg, MS 39439 | 21+ |
| Scarlet Pearl Casino | 9380 Central Ave, D’Iberville, MS 39540 | 21+ |
| Harlow’s Casino Resort & Spa | 4280 Harlows Blvd, Greenville, MS 38701 | 21+ |
| Trop Casino Greenville | 199 N Lakefront Rd, Greenville, MS 38701 | 21+ |
| Island View Casino Resort | 3300 W Beach Blvd, Gulfport, MS 39501 | 21+ |
| Golden Moon Casino | 13541 MS-16, Philadelphia, MS 39350 | 21+ |
| Silver Star Hotel & Casino | 13541 MS-16, Philadelphia, MS 39350 | 21+ |
| 1st Jackpot Casino Tunica | 1450 Jackpot Blvd, Robinsonville, MS 38664 | 21+ |
| Fitz Tunica Casino & Hotel | 711 Lucky Ln, Robinsonville, MS 38664-9141 | 21+ |
| Gold Strike Casino Resort | 1010 Casino Center Dr, Robinsonville, MS 38664 | 21+ |
| Hollywood Casino Tunica | 1150 Casino Strip Resort Blvd, Robinsonville, MS 38664 | 21+ |
| Horseshoe Tunica | 1021 Casino Center Dr, Robinsonville, MS 38664 | 21+ |
| Resorts Casino Tunica | 1100 Casino Strip Resort Blvd, Robinsonville, MS 38664 | 21+ |
| Sam’s Town Hotel & Gambling Hall | 1477 Casino Strip, Robinsonville, MS 38664 | 21+ |
| Tunica Roadhouse Casino & Hotel | 1107 Casino Center Dr, Robinsonville, MS 38664 | 21+ |
| Ameristar Vicksburg Casino | 4116 Washington St, Vicksburg, MS 39180 | 21+ |
| Casino Vicksburg | 1380 Warrenton Rd, Vicksburg, MS 39180 | 21+ |
| Riverwalk Casino Hotel | 1046 Warrenton Rd, Vicksburg, MS 39180 | 21+ |
| WaterView Casino and Hotel | 3990 Washington St, Vicksburg, MS 39180 | 21+ |
| Magnolia Bluffs Casino Hotel | 7 Roth Hill Road, Natchez, MS 39120 | 21+ |