For residents of Ohio looking for 18+ casinos, the options are limited. Ohio 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 Ohio and their minimum gambling age.
| Casino | Address | Legal Age |
| Belterra Park Casino | 01 Kellogg Rd, Cincinnati, OH 45230 | 21+ |
| Eldorado Gaming Scioto Downs | 6000 S High St, Columbus, OH 43207 | 21+ |
| Hard Rock Casino Cincinnati | 1000 Broadway St, Cincinnati, OH 45202 | 21+ |
| Hollywood Casino Columbus | 200 Georgesville Rd, Columbus, OH 43228 | 21+ |
| Hollywood Casino Toledo | 1968 Miami St, Toledo, OH 43605 | 21+ |
| Hollywood Gaming at Dayton Raceway | 777 Hollywood Blvd, Dayton, OH 45414 | 21+ |
| Hollywood Gaming at Mahoning Valley Race Course | 655 N Canfield Niles Rd, Youngstown, OH 44515 | 21+ |
| JACK Cleveland Casino | 100 Public Square, Cleveland, OH 44113 | 21+ |
| JACK Thistledown Racino | 21501 Emery Rd, North Randall, OH 44128 | 21+ |
| Miami Valley Gaming | 6000 OH-63, Lebanon, OH 45036 | 21+ |