Best sportsbooks in Massachusetts.
Massachusetts has an open online market. These are the operators worth a spot in your line-shopping rotation, and whichever you use, Big Mike's engine watches all of them for mispriced lines.
Sportsbooks live in Massachusetts
Live offers in Massachusetts
Running right now at the books operating here, straight from their own feeds. Terms are theirs and change without notice — read them before you opt in. 21+.
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Common questions
Is online sports betting legal in Massachusetts?
Yes. Massachusetts has a regulated online market with 6 major operators live, including FanDuel, DraftKings, BetMGM.
Which sportsbooks operate in Massachusetts?
FanDuel, DraftKings, BetMGM, Caesars Sportsbook, Fanatics Sportsbook, theScore Bet. Availability changes as operators launch and exit, so confirm in the app.
Does Big Mike take bets?
No. Big Mike is an analysis service: the engine compares prices across books against no-vig fair value and texts you the mispriced lines. You place bets at whichever operator you choose.
Some links on this page are partner links, described in our Terms of Use. Availability verified November 2026 and changes monthly; confirm in the app. 21+, where legal. Gambling problem? Call 1-800-GAMBLER.
GET BIG MIKEWhichever Massachusetts book you use, Big Mike finds its mispriced lines.
His whole board live, your bets graded against the close, and the best number on every play. 61.5% on the moneyline board · 808 picks graded in public.