Arizona tribal gaming
Arizona Tribal Gaming: the Regulators, the Tribal Casinos and the Compact
Sixteen sovereign nations run 27 Class III casinos across Arizona under a compact with the state. This is a plain reading of how that works — who licenses the floor, what the agreement permits, where every venue is, and where the money goes afterwards.
The shape of it
How Arizona tribal gaming works: three regulators, one floor
Arizona tribal gaming is often described as unregulated. The opposite is true: every machine on every floor sits inside three overlapping layers of oversight, each with a different job.
16
Nations operating Class III casinos
AIGA roster
27
Class III casinos in the state
AIGA roster, Sept 2026
21+
Minimum age, every venue and product
A.R.S. Title 5
2021
Year the compacts were last amended
Arizona Dept. of Gaming
Roster figures: Arizona Indian Gaming Association roster, as of 1 September 2026.
Anyone asking who regulates indian casinos in this state is really asking about three bodies rather than one. The nation’s own gaming office is the first layer and the one closest to the floor: it licenses dealers, cage staff and vendors, investigates disputes and can pull a machine without asking anyone. The Arizona Department of Gaming — the body most people mean when they say arizona gaming commission — is the second, certifying employees and vendors on the state’s behalf and auditing whether the compact is being kept. The National Indian Gaming Commission is the third, applying the federal framework that made any of this possible in the first place.
That structure explains a lot of what looks strange from outside — why a casino can be twenty minutes from another and follow different house rules, why the state publishes contribution figures but not per-casino revenue, and why online slots remain illegal in a state that took its first legal sports bet in 2021. Each answer runs back to one document: the arizona tribal gaming compact signed between a nation and the state. The laws and compact guide takes it apart clause by clause.
Two practical consequences follow. Requests that belong with a regulator — a licensing query, a compact-compliance concern — should go to the arizona gaming commission, properly the Arizona Department of Gaming, or to the relevant nation’s own office. And any change to what the tribal casinos may offer runs through the arizona tribal gaming compact rather than through ordinary legislation, which is why expansion here is slow and negotiated.
Where they are
Where the tribal casinos are: five regions, twenty-seven floors
Arizona’s casinos are not spread evenly. Ten sit inside the Phoenix metropolitan area; the rest follow the highways out to the river, the border and the pines.
Phoenix & the Valley
Tucson & the south
The high country
The river corridor
The eastern uplands
WP 01 · 34.05° N 111.09° W · 27 venues across 5 regions
How a casino gets there
Why the compact puts every floor on tribal land
Nothing about Arizona’s casino map is accidental. Three federal and state steps put every one of these floors exactly where it stands.
- 01
Federal law makes it possible
The Indian Gaming Regulatory Act of 1988 sorted Indian gaming into three classes and made Class III — slots, table games, wagering — conditional on an agreement with the state. Before it, the legal ground was contested case by case.
- 02
The nation and the state sign a compact
A compact fixes what may be offered and in what quantity, who regulates what, and what share of the take goes to the state. Arizona’s were amended in 2021, which is when sports betting and additional table games entered the state.
- 03
Three regulators keep it honest
The tribal gaming office runs day-to-day oversight, the Department of Gaming audits against the compact, and the federal commission supervises the framework. A machine that fails any of the three does not stay on the floor.
The class distinction is the part most often garbled. Class II covers bingo and games played against other players, and it needs no state agreement at all. Class III is house-banked. That single line explains why some venues in other states admit eighteen-year-olds and none in Arizona do — and it is covered in full in the guide to why casinos sit on reservations.
Common questions
Questions people actually ask
Who regulates tribal casinos in Arizona?
Regulation is shared. Each nation runs its own tribal gaming office, which licenses staff and vendors and monitors the floor day to day. The Arizona Department of Gaming certifies employees and vendors and audits compliance with the tribal-state compact on behalf of the state. The National Indian Gaming Commission oversees Indian gaming nationally under federal law. No single body regulates alone — the compact makes the arrangement a three-way one.
How many tribal casinos are there in Arizona?
The Arizona Indian Gaming Association names 27 Class III casinos operated by 16 nations. Its own summary sentence still reads 26, a figure that predates the opening of Desert Diamond White Tanks in December 2024. Published totals elsewhere range from 22 to 28 depending on how satellite locations are counted and when the source was last revised, which is why the count on this site is tied to a named roster and a date rather than stated flatly.
What is the tribal-state gaming compact?
The compact is the negotiated agreement between a tribal nation and the State of Arizona that permits Class III gaming — slot machines, table games, sports betting — on that nation’s land. It sets machine and table limits, regulatory duties, and the share of revenue paid to the state. Arizona’s compacts were substantially amended in 2021, which is what brought sports betting and additional game types into the state.
Is online casino gambling legal in Arizona?
No. Arizona’s compacts grant tribal nations exclusivity over casino gaming, and that exclusivity is tied to physical locations on tribal land. Event wagering — sports betting — was legalised in 2021 and does operate online through licensed operators. Online slots and online table games remain outside what the current compacts permit, and would require the compacts to be renegotiated.
How old do you have to be to gamble in Arizona?
Twenty-one, with no exceptions across casino floors, sportsbooks, the state lottery and pari-mutuel racing. Arizona has no 18-and-over casino tier, which sets it apart from states such as California and Oklahoma where some Class II bingo halls admit 18-year-olds. The gambling age guide covers how the rule applies venue by venue.
More of them, with sources, sit in the questions hub.
Gambling in Arizona is restricted to adults aged 21 and over at every tribal casino, sportsbook, lottery outlet and racetrack in the state. If gambling has stopped being a game, the Arizona Problem Gambling Helpline is free, confidential and staffed around the clock: 1-800-NEXT-STEP. More support and the state self-exclusion form are at problemgambling.az.gov.