For residents of Wisconsin looking for 18+ casinos, the options are limited. Wisconsin 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 Wisconsin and their minimum gambling age.
| Casino | Address | Legal Age |
| Bad River Casino | 73370 US-2, Ashland, WI 54806 | 21+ |
| Grindstone Creek Casino | 13394 W Trepania Rd, Hayward, WI 54843 | 21+ |
| Ho-Chunk Gaming | 4002 Evan Acres Rd, Madison, WI 53718 | 21+ |
| Ho-Chunk Gaming Baraboo | S3214 County Hwy BD, Baraboo, WI 53913 | 21+ |
| Ho-Chunk Gaming Black River Falls | W9010 WI-54, Black River Falls, WI 54615 | 21+ |
| Ho-Chunk Gaming Madison | 4002 Evan Acres Road, Madison, WI 53718 | 21+ |
| Ho-Chunk Gaming Nekoosa | 949 County Rd G, Nekoosa, WI 54457 | 21+ |
| Ho-Chunk Gaming Tomah | 27867 WI-21, Tomah, WI 54660 | 21+ |
| Ho-Chunk Gaming Wittenberg | N7198 U.S. 45, Wittenberg, WI 54499 | 21+ |
| Lake of the Torches | 510 Old Abe Rd, Lac Du Flambeau, WI 54538 | 21+ |
| Legendary Waters Resort & Casino | 37600 Onigamiing Dr, Bayfield, WI 54814 | 21+ |
| Menominee Casino & Resort | N2277 WI-47, Keshena, WI 54135 | 21+ |
| Mole Lake Casino | 3084 WI-55, Crandon, WI 54520 | 21+ |
| North Star Casino & Resort | W12180 Co Rd A, Bowler, WI 54416 | 21+ |
| Oneida Casino IMAC | 2100 Airport, Green Bay, WI 54313 | 21+ |
| Oneida Casino W Mansion | 2522 W Mason St, Green Bay, WI 54303 | 21+ |
| Oneida One Stop | 3120 South Packerland Drive, Green Bay, WI 54313 | 21+ |
| Oneida Pulaski | 5939 Old Wisconsin 29, Pulaski, WI 54162 | 21+ |
| Potawatomi Casino | 1721 W Canal St, Milwaukee, WI 53233 | 21+ |
| Potawatomi Carter | 618 WI-32, Wabeno, WI 54566 | 21+ |
| St. Croix Danbury | 30222 WI-35, Danbury, WI 54830 | 21+ |
| St. Croix Hertel | 4348 WI-70, Webster, WI 54893 | 21+ |