Are sweepstakes casinos legal in Montana?

Not available — restricted

Law: SB 555 (2025) — Chapter 626; online casinos added to "internet gambling" (MCA 23-5-112) · effective Oct 1, 2025

SB 555 (2025) bans online sweepstakes casinos in Montana. It took effect Oct 1, 2025. None of the 93 casinos we track offer prize play to players located here.

  1. May 13, 2025 — SB 555 signed by Gov. Gianforte (Ch. 626) — online casinos "by whatever name known" that take wagers and pay out in any form of currency become prohibited internet gambling.
  2. Oct 1, 2025 — SB 555 effective (all sections).

Sources: bills.legmt.gov, bearbeta.legmt.gov · checked Oct 7, 2026 · All state laws explained

What the law covers

SB 555 widened Montana’s definition of internet gambling to take in online casinos “by whatever name known” that accept wagers and pay out in any form of currency. It was signed on May 13, 2025 and took effect October 1, 2025.

“The term includes online casinos, by whatever name known, which constitute internet gambling and therefore are prohibited.”

In the source’s own words: bearbeta.legmt.gov

What this means for players in Montana

No casino on our list is open to players located in Montana, so we don’t rank any here. A VPN or a borrowed address breaks the operators’ terms, and they can close the account and void any prizes.

How operators treat Montana

Of the 93 casinos we track, 86 leave Montana off their own state lists, 4 allow Gold Coin play only and 3 still list it as open. For those operators the state’s position decides, not the list: we treat Montana as closed to prize play at every casino we track. Operators edit these lists themselves, so the split can change.

Gold Coin play in Montana

4 casinos we track still let players in Montana use Gold Coins, though not Sweeps Coins. Gold Coins can’t be redeemed for anything, so this is play for fun only.

Fortune Coins (Fortune Wins)American LuckGolden Hearts GamesGains

Legal options in Montana

With sweepstakes casinos closed, here’s where the other options stand in Montana, each linked to the official page it comes from. We checked each one on Oct 14, 2026.

  • Real-money online casino: Not legal. SB 555 itself classes online casinos as prohibited internet gambling. (bearbeta.legmt.gov)
  • State lottery online: No online sales. The Montana Lottery doesn’t sell tickets over the internet. (montanalottery.com)
  • Problem gambling help: Montana Council on Problem Gambling helpline: call 1-888-900-9979. (dojmt.gov)

Nearby states with sweepstakes casinos

These counts are for players located in those states, under each operator’s own state list and that state’s law.

Montana sweepstakes casino FAQ

Are sweepstakes casinos legal in Montana?
No. SB 555 (2025) bans online sweepstakes casinos in Montana, effective Oct 1, 2025. None of the 93 casinos we track accept prize play from players located there.
Can I still play with Gold Coins in Montana?
Yes, at some sites. 4 casinos we track allow Gold Coin-only play here: Fortune Coins (Fortune Wins), American Luck, Golden Hearts Games and Gains. Gold Coins can’t be redeemed, so there are no prizes.
What happens if I use a VPN to play from Montana?
Operators forbid it in their terms. If they catch a VPN or a false address, they can close the account and void any prizes.
Where can I play legally in Montana?
Not at a sweepstakes casino: none of the ones we track accepts prize play here. Real-money online casinos aren’t legal in Montana either. Across the state line, casinos we track accept prize play from players located in North Dakota (90 casinos), South Dakota (93 casinos) and Wyoming (83 casinos).