Best Massachusetts Sportsbook Bonuses (December 2025)
Compare 6 welcome bonuses from legal sportsbooks in Massachusetts. All offers verified for MA residents.
Our Top Picks: December 2025
The sports betting boom is well underway in the US market, which means every sportsbook is competing for your business.
We've reviewed all available bonuses and ranked them by value. Here are our top-rated picks to help you get started. Select your state above to see which offers are available in your area.
Available Sportsbook Bonuses: December 2025
No player likes missing out on a great promo so we've done the heavy lifting, and identified the best options for you. Our complete list of sportsbook bonuses is below.
Select Offers to Filter Bonuses
Sports Betting in Massachusetts
Online sports betting is legal in Massachusetts since March 2023. Residents can sign up with any of the 6 licensed sportsbooks listed above and claim their welcome bonuses. Each offer has been verified to be available to MA bettors.
Massachusetts Sports Betting at a Glance
- Legal Since: March 2023
- Minimum Age: 21+
- Tax Rate: 15% retail, 20% mobile
- Regulator: Massachusetts Gaming Commission
Key Facts About Massachusetts Sports Betting
- Large market with passionate sports fans
- Home to Red Sox, Celtics, Patriots, Bruins
- Launched with retail first, then mobile
How to Claim a Massachusetts Sportsbook Bonus
- Choose a sportsbook from the list above
- Click the “Claim Bonus” button to visit the sportsbook
- Create your account and verify your identity
- Make your first deposit (if required)
- Place your qualifying bet to unlock the bonus
Types of Welcome Bonuses
- Bet & Get: Place a small bet, receive bonus bets regardless of outcome
- First Bet Insurance: Get your stake back as bonus bets if your first bet loses
- Deposit Match: Sportsbook matches a percentage of your first deposit
- No Sweat Bet: Risk-free first bet with bonus bet refund if it loses
FAQs
Gamble responsibly. If you or someone you know has a gambling problem, call +1-800-GAMBLER.
