South Dakota Sports Betting in 2026: Is It Legal, and What Are Your Options?

South Dakota sports betting is legal in person only, at licensed casinos inside Deadwood city limits and at tribal casinos under federal compacts. There's no statewide mobile betting: an approved app works inside a licensed casino and nowhere else. You have to be 21. A 2026 attempt to put mobile wagering to voters passed the Senate and died in a House committee. Prediction markets operate here under a separate federal framework.

Key takeaways

• In person only. Deadwood city limits and tribal casinos. There is no statewide mobile betting, and an approved app works on the premises and nowhere else.

• Online or mobile. No statewide mobile betting. An approved app works on the premises only.

• 21 everywhere. Deadwood and tribal sports betting alike. The 18 threshold is horse racing.

• College is open, with two exceptions. No player props anywhere, and no game involving a South Dakota school. Both are statutory, so no operator can waive them.

• Prediction markets run on different rules. Federal CFTC regulation instead of a state licence. South Dakota hasn't acted against them, though its Attorney General has signed three filings arguing states may regulate them.

Is sports betting legal in South Dakota?

Yes, in person, inside Deadwood and at tribal casinos.

• The vote. Voters approved a constitutional amendment on 3 November 2020, carried on the ballot as Amendment B.

• The basis. It amended S.D. Const. art. III, section 25 to let the Legislature authorize "wagering on sporting events" inside Deadwood. The authorization is in the constitution itself.

• The statute. SB 44, signed 29 March 2021, amended SDCL chapter 42-7B. SDCL 42-7B-1 authorizes sports wagering "within the city limits of the city of Deadwood."

• The regulator. The South Dakota Commission on Gaming, under the Department of Revenue, with rules at ARSD article 20:18.

• The age. 21.

Tribal casinos operate under federal IGRA compacts, outside chapter 42-7B. The Department of Revenue's gaming page says tribal casinos offer "the same games that are offered in Deadwood, SD."

Why is there no statewide mobile betting?

Because the constitutional authorization is geographic. The distinction is easy to get backwards, so here it is precisely: South Dakota does permit a mobile app, and it also makes betting from home illegal.

• The rule. SDCL 42-7B-79 says sports wagering "may only be conducted on the premises of a licensed gaming establishment as approved by the commission within the city of Deadwood," and requires operators to install equipment ensuring every bet is placed there.

• A casino app is allowed. State rules list an approved mobile app as one of the ways a licensed casino can take your bet, alongside the betting window and a self-service kiosk. What it can't do is work off the property. It checks your location and stops at the casino door.

• Outside the boundary is prohibited. ARSD 20:18:35:01 defines a prohibited person to include anyone "wagering while not in the permitted boundary pursuant to SDCL 42-7B-79."

• Accounts open in person. SDCL 42-7B-78 requires an advance deposit account to be opened in person at the establishment in Deadwood.

The state's own tourism department describes a mobile app that "only works inside the facility."

What can you use in South Dakota right now?

• Deadwood and tribal books. The legal, licensed option. You bet against the house, and its margin is in every line. You have to be standing in the building.

• Prediction markets. You trade against other participants at market-set prices, under federal CFTC regulation instead of state sportsbook licensing. Eligibility depends on age and physical location.

• Novig. Holds a CFTC Designated Contract Market designation, granted to Ludlow Exchange, LLC on 16 June 2026. Pregame straight trades currently carry no maker or taker trading fee, and the minimum age is 21, which matches South Dakota's own floor.

Which Deadwood and tribal casinos have retail sportsbooks?

Seven Deadwood casinos reported sports wagering in July 2026, the most recent month the Commission on Gaming has published. They took $458,839.55 in handle and kept $123,394.41.

• Deadwood Gaming Association names six. Cadillac Jack's, Gold Dust, Tin Lizzie, Dale's Sportsbook Bar & Grill, Landmark, The Lodge at Deadwood.

• Travel South Dakota names seven. Cadillac Jack's, Gold Dust, Tin Lizzie, Landmark, The Lodge at Deadwood, Mineral Palace, Deadwood Mountain Grand.

• The lists don't match. The regulator doesn't publish names, so treat either as a starting point and call ahead.

The Department of Revenue lists nine tribal casinos in South Dakota. No state or federal source publishes which of them run sportsbooks, and it turns on each tribe's own compact. Four confirm a book on their own sites:

• Dakota Sioux Casino, near Watertown. The Dakota Nation Sportsbook, counters and kiosks, 21 and over, on-site only.

• Dakota Connection Casino, Sisseton. A sportsbook lounge with published hours.

• Grand River Casino, Mobridge. In-house sportsbook, 7am to 2am.

• Prairie Wind Casino, near Pine Ridge. In person and cash only, 21 and over.

What is the college betting gap?

South Dakota bets on college, and state law carves out two things.

• No college player props anywhere. SDCL 42-7B-82 bars any bet on "the performance or nonperformance of any individual athlete participating in a single game or match of a collegiate sporting event." That covers every college game, including ones with no South Dakota connection.

• No games involving a South Dakota school. The same section bars any individual game "in which any team or athlete from a university or college in South Dakota is competing." South Dakota State and the University of South Dakota are off the board.

• Team bets elsewhere are fine. The Commission's monthly reports break out handle for NCAA football, men's and women's basketball, baseball and hockey.

• Also barred. High school and minor league events, horse and dog races, any event where most competitors are under 18, fantasy contests, and wagers on an athlete's injury. A single bet is capped at $1,000 under SDCL 42-7B-14.

What happened to the 2026 mobile betting bill?

It passed the Senate and died in a House committee. If you read that a ballot measure is coming, this is the bill being described, and it's dead.

• 23 January 2026. SJR 504 introduced, proposing a constitutional amendment for wagering on sporting events "via mobile or electronic platform," sponsored by Senator Crabtree and Representative Jamison.

• 11 February 2026. Passed the Senate floor 23 to 10, with 2 excused.

• 25 February 2026. The do-pass motion failed in House State Affairs, 6 yeas to 7 nays. The committee then deferred it to the 41st legislative day, 11 to 2.

• What that means. South Dakota's session has no 41st day, so the deferral is how a bill gets killed. SJR 504 never reached the House floor and was never sent to voters.

One 2026 bill did pass and is easy to mistake for this one. HB 1058, signed 17 February 2026, licenses online pari-mutuel wagering pools for horse and dog races. That's racing, not sports betting, and state rules specifically bar sports wagers on horse and dog races.

What should you compare?

• Who you bet against. A house sets the line to work against you. On a prediction market the other side is another participant, and the price moves with them.

• Whether you can get there. Deadwood is in the Black Hills. For most of the state that means a drive, and the app in your pocket stops working at the door.

• Commission. Some platforms take a cut of every trade and some don't. On a sportsbook the equivalent cost is the vig, and you don't get to opt out of it.

• What's on the board. College player props are off the board statewide, and so is any game involving an SDSU or USD team.

Where does South Dakota stand on prediction markets?

South Dakota has done nothing official about prediction markets. Its Attorney General has signed three briefs against them.

• No enforcement action. No cease-and-desist to any prediction market, no lawsuit, no statute on sports event contracts.

• But three filings against them. Attorney General Marty Jackley joined the multistate amicus brief in the Massachusetts Kalshi case, a Ninth Circuit amicus in Blue Lake Rancheria v. Kalshi on 16 January 2026, and a 41-state comment letter to the CFTC on 30 April 2026.

• The Ninth Circuit ruling doesn't bind South Dakota. On 28 August 2026 that court held sports event contracts are not "swaps" under the Commodity Exchange Act. South Dakota is in the Eighth Circuit.

• No Eighth Circuit ruling exists. The Third Circuit went the other way earlier in 2026, so the circuits are split and the question is genuinely open here.

What's next for South Dakota?

• The 2027 session. SJR 504 died in committee and no successor bill exists yet. A statewide-mobile bill died the same way in 2021, so a refile would follow precedent, but nothing is filed.

• Nothing on a ballot. The referred 2026 measures cover Medicaid, voter citizenship, unclaimed property and the threshold for amending the constitution. None concerns gambling, and South Dakota holds no statewide general election in odd years.

• The preemption question. A New Jersey petition reached the Supreme Court docket on 8 September 2026, and Kalshi has an en banc petition pending in the Ninth Circuit. Either could settle what the Eighth Circuit has never ruled on.

South Dakota sports betting FAQ

• Is sports betting legal in South Dakota?

Yes, in person, inside Deadwood city limits and at tribal casinos. Voters approved it in November 2020 and the Legislature implemented it in 2021. You have to be 21.

• Can I bet on sports from my phone in South Dakota?

Only inside a licensed casino. SDCL 42-7B-79 requires every bet to be placed on the premises, and state rules make wagering outside that boundary a prohibited act. There is no statewide mobile betting.

• How old do you have to be to bet on sports in South Dakota?

21, at both Deadwood casinos and tribal casinos. The 18 threshold applies to horse racing, not sports.

• Can I bet on South Dakota State or USD games?

No. State law bars any wager on a game in which a team or athlete from a South Dakota college is competing. College player props are barred everywhere, not just for in-state schools.

• Which casinos in Deadwood have sportsbooks?

Seven reported sports wagering to the Commission on Gaming in July 2026. The regulator publishes the count but not the names, and the two public lists that do name properties disagree, so confirm before you drive.

• Is South Dakota getting online sports betting?

Not from the 2026 session. SJR 504 passed the Senate 23 to 10 and failed in House State Affairs on 25 February 2026. Nothing about sports betting is on the 2026 ballot, and no 2027 bill exists yet.

• Are prediction markets legal in South Dakota?

They operate here under federal CFTC regulation, and South Dakota doesn't license them or act against them. The underlying federal question is unsettled in the Eighth Circuit, which covers South Dakota. Confirm eligibility on each platform before you play.

• Do I need to be a South Dakota resident to bet?

No. You need to meet the age requirement and be physically located where the platform is eligible. For Deadwood and tribal books that means inside the building.

Play responsibly. Must be 21+ for sports betting in South Dakota. If gambling is a problem for you or someone you know, the South Dakota Council on Problem Gambling runs a free helpline at 1-888-781-HELP (4357), and calls are referred to Gamblers Anonymous groups near you.

Sources

1. S.D. Const. art. III, section 25 - https://sdlegislature.gov/Constitution/3-25

2. SDCL 42-7B-1, authorization within Deadwood - https://sdlegislature.gov/Statutes/42-7B-1

3. SDCL 42-7B-79, on-premises requirement - https://sdlegislature.gov/Statutes/42-7B-79

4. SDCL 42-7B-35, minimum age - https://sdlegislature.gov/Statutes/42-7B-35

5. SDCL 42-7B-82, prohibited wagers - https://sdlegislature.gov/Statutes/42-7B-82

6. ARSD 20:18:35:01, prohibited persons - https://sdlegislature.gov/Rules/Administrative/20:18:35:01

7. ARSD 20:18:35.02:02, permitted transaction methods - https://sdlegislature.gov/Rules/Administrative/20:18:35.02:02

8. SB 44 (2021), implementing legislation - https://sdlegislature.gov/Session/Bill/21865

9. SJR 504 (2026), action log - https://sdlegislature.gov/Session/Bill/26846

10. HB 1058 (2026), pari-mutuel online pools - https://sdlegislature.gov/Session/Bill/26337

11. South Dakota Commission on Gaming, July 2026 monthly statistics - https://dor.sd.gov/media/ok2lr5b5/july-2026-monthly-statistics.pdf

12. South Dakota Department of Revenue, gaming and tribal casinos - https://dor.sd.gov/individuals/gaming/

13. Deadwood Gaming Association, sports wagering - https://www.deadwood.com/deadwood-gaming-association/sports-wagering/

14. Travel South Dakota, sports betting in Deadwood - https://www.travelsouthdakota.com/trip-ideas/sports-betting-deadwood

15. South Dakota Secretary of State, 2026 ballot questions - https://sdsos.gov/elections-voting/upcoming-elections/general-information/2026%20Election%20Information/2026-ballot-questions.aspx

16. CFTC, designated contract market filing 59390, Ludlow Exchange, LLC - https://www.cftc.gov/IndustryOversight/IndustryFilings/TradingOrganizations/59390

17. Novig, eligibility and legality - https://support.novig.com/en/articles/16194031-eligibility-legality

18. KalshiEX, LLC v. Assad, 9th Cir. No. 25-7516, 28 August 2026 - https://cdn.ca9.uscourts.gov/datastore/opinions/2026/08/28/25-7516.pdf