live
March 2023
Massachusetts Gaming Commission
20%
21+
6 legal mobile
Legal Online Sportsbooks in Massachusetts
These sportsbooks are licensed to operate in Massachusetts and accept bettors aged 21+:
- DraftKings Sportsbook — Wager $5, Get $150 in bonus bets.
- FanDuel Sportsbook — No-Sweat First Bet up to $1,000.
- BetMGM Sportsbook — First Bet Offer up to $1,500.
- Caesars Sportsbook — Wager $1, Get $300 in bonus bets.
- bet365 Sportsbook — First Bet Safety Net up to $1,000.
- BetRivers Sportsbook — 2nd Chance Bet up to $500.
Massachusetts Market Overview
Massachusetts launched mobile sports betting in March 2023 and is now one of the largest markets in New England. Heavy Patriots, Red Sox, Celtics, and Bruins betting drives state handle.
- NCAA player props on Massachusetts schools were banned March 2026.
- DraftKings is headquartered in Boston — significant local product investment.
How to Sign Up at a Massachusetts Sportsbook
- Choose a licensed sportsbook from the list above. (Operators not listed here are unlikely to be legal in Massachusetts.)
- Click through to the operator review and use the linked sign-up button.
- Verify your identity (legal name, date of birth, last 4 of SSN, address).
- Confirm you're physically located in Massachusetts — geolocation is checked at every login.
- Make a deposit and claim the welcome offer. Read the responsible gambling resources before betting.
Best Welcome Bonuses Available in Massachusetts
For the latest welcome offers in Massachusetts, see our continuously-updated bonus finder.
What to Bet On in Massachusetts
- NFL betting — by far the largest single sport in every US state.
- NBA betting — heavy regular-season and playoff handle.
- MLB betting — long season, lots of markets, sharp F5 lines.
- College sports — football and basketball, with state-specific player-prop restrictions in some states.
- All sports betting hubs
Responsible Gambling Resources for Massachusetts Bettors
If betting stops being fun, help is free and confidential. Call 1-800-GAMBLER or visit our responsible gambling page for state-specific resources, self-exclusion tools, and operator-level controls.
Frequently asked questions
Is online sports betting legal in Massachusetts?
Yes. Online sports betting is regulated and live in Massachusetts. The market launched in March 2023 under oversight of the Massachusetts Gaming Commission.
What sportsbooks are available in Massachusetts?
At launch: DraftKings Sportsbook, FanDuel Sportsbook, BetMGM Sportsbook, Caesars Sportsbook, bet365 Sportsbook, BetRivers Sportsbook
What is the legal betting age in Massachusetts?
The legal sports betting age in Massachusetts is 21.
What is the tax rate on sports betting in Massachusetts?
Massachusetts taxes operator gross gaming revenue at 20%.
Are offshore sportsbooks legal in Massachusetts?
No. Offshore sportsbooks are not regulated by any US authority and offer no consumer protections. Use only state-licensed operators.
More: all US states · operator reviews · current bonuses · strategy guides · 2026 industry report.