state · United States
Online gambling and sports betting in South Dakota
Retail sports betting is legal only at Deadwood and select tribal casinos. Online casino and statewide online sports betting are illegal; internet gambling businesses are criminalized. On‑premises mobile betting is allowed inside licensed casinos.
- Online sports betting
- Not legal
- Online casino
- Not legal
- Retail sports betting
- Legal
- Online live since
- —
Checked 2026-09-21. Not legal advice.
- Online betting and casino legal 7
- Online sports betting only 27
- No legal online gambling 17
Boundaries: US Census Bureau (public domain), via geoBoundaries
Casino, sports betting, poker and more
South Dakota allows retail gambling in Deadwood and at tribal casinos, but statewide online casino gaming and online poker are not legalized; sports betting is also not statewide online, and mobile/app betting is not authorized. Poker is treated as prohibited online, while casino and sports betting are mainly land-based and tightly limited.
| Product | Status | What that means |
|---|---|---|
| Online sports betting | Not legal | — |
| Online casino | Not legal | — |
| Online poker | Prohibited | Real-money online poker is not licensed or legalized; state law targets online gambling operators, and offshore play is not state-regulated. |
| Sweepstakes and social casinos | Unregulated | South Dakota: unregulated; no sweepstakes-casino ban, bill, or cease-and-desist found as of 2026, and sources describe the market as open/legal. |
| Prediction markets | Licensed | Kalshi, Polymarket, Robinhood event contracts operate in South Dakota as CFTC‑regulated event‑contract/DM/SEFs under federal commodity law, with no South Dakota enforcement actions reported as of 2026. |
| Mystery boxes | Unregulated | Set nationally. Unregulated federally; FTC 2025 settlement required loot-box disclosures, but no U.S. law/regulator has classified paid mystery boxes or loot boxes as gambling. |
Key facts
- No statewide online sports betting; only on-premises mobile in Deadwood casinos.
- Online casino gambling prohibited under specific internet gambling statute.
- Retail sports betting legal at Deadwood commercial casinos and some tribal casinos.
- Horse-race advance‑deposit wagering (ADW) is the only regulated online wagering vertical.
- Daily fantasy sports offered (e.g., DraftKings, FanDuel), not treated as sports betting.
- Internet gambling business operation is a felony under SD Codified Law 22-25A.
- Sports betting regulator tied to Deadwood casino and tribal gaming oversight structures.
- State has rejected broader mobile sports-betting expansion attempts multiple times.
- No licensed real‑money online casino or statewide sportsbook apps.
- State issues consumer warnings that online casinos are not legal.
Regulator and law
South Dakota Department of Revenue / Gaming; Deadwood gaming oversight and tribal regulators (exact split unconfirmed)
SD Codified Laws ch. 22-25A (internet gambling); Deadwood casino sports betting under SDCL 42-7B (section details unconfirmed).
Advertising unlicensed gambling in South Dakota
Not confirmed. unconfirmed.
General promotion or facilitation of illegal internet gambling may be captured by aiding/abetting or gambling‑business provisions, but no clear, specific ad ban section is confirmed.
National rules also apply — see online gambling regulation in United States.
Checking a licence
No public list of licensed online operators was found.
Recent developments
- On‑premises mobile sports betting allowed within Deadwood casino premises only.
- Multiple failed attempts to authorize statewide mobile sports betting via legislation or referendum.
- Regulators publish consumer alerts that online casino-style platforms are not authorized.
- Ongoing enforcement emphasis on prohibition of internet gambling businesses under 22-25A.
- Pari-mutuel horse race ADW remains the only regulated online wagering channel.
- Daily fantasy sports continue operating without full sports-betting legalization.
What we could not confirm
- Exact statutory section authorizing Deadwood retail sports betting and on‑premises mobile is not confirmed.
- Precise regulatory body name for Deadwood sports wagering oversight is not confirmed.
- Specific statutory provisions restricting advertising of unlicensed gambling are not confirmed.
- Whether South Dakota treats sweepstakes/social casinos as unlawful gambling under existing anti-gambling statutes
- Whether any South Dakota authority has specifically addressed loot boxes or mystery boxes
- Whether any state-licensed or federally approved prediction markets are accessible in South Dakota under current rules
- Whether South Dakota allows any online horse-race wagering while prohibiting other online gambling
Sources
- drf.com/sports-betting/state/south-dakota-sports-betting
- sdlegislature.gov/Statutes/22-25A
- allowedhere.com/legality/online-gambling/south-dakota/
- beatthefish.com/states/south-dakota/
- dor.sd.gov/newsroom/beware-of-fraudulent-online-casinos/
- gamblingmaps.org/map/regulations/united-states/south-dakota
- legalsportsbetting.com/south-dakota/
- usgambling.com/south-dakota/
- legaluspokersites.com/state-laws/south-dakota/
- pokernews.com/us-poker/sd/
- uspokersites.com/legal/usa/south-dakota/
- worldpokerdeals.com/blog/online-poker-in-south-dakota
- americascardroom.eu/usa-poker/south-dakota/
- somuchpoker.com/poker-guides/usa/south-dakota
- bookmakersreview.com/usa/south-dakota/online-poker/
- legalsportsreport.com/online-casinos/south-dakota/
- vegasinsider.com/sweepstakes-casinos/legal-states/
- wsn.com/sweepstakes/legal/
- sweepcasinos.com/legal/
- cbssports.com/prediction/news/prediction-market-legal-states/
- predictionmarketspicks.com/learn/is-kalshi-legal-in-south-dakota
- squawka.com/us/bet/prediction-markets/south-dakota/
- sdpb.org/politics/2026-07-24/johnson-warns-against-congressional-silence-on-prediction-market-apps
- igamingtoday.com/deadwood-draws-a-line-as-prediction-markets-push-into-south-dakota/
Researched 2026-09-21 from public sources and summarised by the Brandfense team. Not legal advice — confirm with the regulator or your counsel before acting.