Grand Casino Mille Lacs
Tribal casino in Onamia, MN · 777 Grand Avenue, Onamia, MN 56359
Owned by the Mille Lacs Band of Ojibwe, Minnesota
+18006265825
Is there a buffet at Grand Casino Mille Lacs?
Grand Buffet.
How old do you have to be to gamble at Grand Casino Mille Lacs?
18+ or 21+, depending on the casino.
Owned by the Mille Lacs Band of Ojibwe, Minnesota.
Regulated by the tribe's gaming commission under IGRA and its tribal-state compact, with NIGC oversight.
Source: https://www.nigc.gov/wp-content/uploads/2025/08/06172025TribesByStatesList.pdf, verified 2026-10-22.
Last checked 2026-10-22.
Directory listing compiled from public operator and property information. Confirm hours and ID rules with the venue before you go.
18+ or 21+, depending on the casino.
Need help with gambling? Call or text the National Problem Gambling Helpline at 1-800-MY-RESET (1-800-697-3738). It's run by the National Council on Problem Gambling.