INSIDECASINO.USWhat does Montana law say about online casinos?
SB 555 changed Montana's definition of internet gambling to include online casinos. It does not name sweepstakes, though it was written to reach dual-currency sites. Reports suggest free-play sites that use no currency fall outside it.
Who regulates gambling in Montana?
The Montana Department of Justice's Gambling Control Division enforces the state's gambling law.
Are offshore casinos legal in Montana?
Offshore casinos hold no Montana license, so no Montana agency checks their games, payouts or complaints.
Are sweepstakes casinos legal in Montana?
No. Montana is widely described as the first state to ban them, through SB 555 from October 1, 2025. Reports differ on how far it reaches, especially for social casinos that use coins with no cash value.
Are there land-based casinos in Montana?
Several tribal casinos in Montana offer electronic gaming machines. This check did not cover the state's other licensed gambling venues.
What are the rules in another state?
Each state sets its own online casino rules. Pick a state to see its status, its regulator and the date we last checked it.
Read next: How sweepstakes casinos work, and where they are banned
Sources
At least one fact on this page comes from an official source or a law firm analysis. Other facts rely on the reporting listed here. How we research.
- Legal Sports Report: Montana governor signs ban
- Covers: Montana first state to ban sweepstakes
- Sweepsy: sweeps now illegal in Montana and Connecticut
- Lines.com: sweepstakes casino status by state, updated October 26, 2026