Best Sportsbook Bonuses in Massachusetts
12 offers · Updated March 2026
Bet $5, Get $200 in Bonus Bets
DraftKings
Place your first bet of $5+ and receive $200 in bonus bets instantly, win or lose. No minimum odds required.
SBREVIEWSNew customers only. 21+. Must place $5+ first bet. Bonus bets expire in 7 days. Not available in all states.
Bet $5, Get $150 in Bonus Bets
FanDuel
Bet $5 on any market and get $150 in bonus bets regardless of whether your first bet wins or loses.
SBRFANDUELNew users only. 21+. Min $5 bet. Bonus bets expire in 14 days. Terms apply.
Up to $1,500 Back in Bonus Bets
BetMGM
If your first bet loses, get your stake back as bonus bets up to $1,500. The largest first-bet offer in the industry.
SBRMGMNew accounts only. 21+. First bet only. If bet loses, receive bonus bets equal to stake up to $1,500. Expires in 7 days.
Up to $1,000 First Bet on Caesars
Caesars Sportsbook
Your first bet is on Caesars up to $1,000. If it loses, you get your stake back as a bonus bet.
SBRCAESARSNew customers only. 21+. First wager only. Bonus bet issued if first bet loses. 14-day expiry.
ESPN BET — Bet $10, Get $150
ESPN BET
New ESPN BET users can bet $10 and get $150 in bonus bets. One of the best welcome offers available.
ESPNBETMust be 21+. New users only. Min $10 first bet. Terms apply.
Bet $10, Get $150 in Bonus Bets
ESPN BET
Bet $10 on any sport and receive $150 in bonus bets instantly. Great value for new ESPN BET users.
SBRSPNNew users only. 21+. Min $10 first bet. Bonus bets expire in 7 days.
Bet $1, Get $200 in Bonus Bets
bet365
Bet $1 and get $200 in bonus bets. One of the lowest entry points for any sportsbook welcome offer.
SBRBET365New customers only. 21+. Min $1 qualifying bet. Bonus bets expire in 7 days.
DraftKings Refer a Friend Bonus
DraftKings
Refer a friend and you both get $100 in bonus bets when they sign up and place a qualifying bet.
Both referrer and referee must be 21+. Friend must place $5+ first bet. Max 5 referrals.
FanDuel No Sweat Same Game Parlay
FanDuel
Get a bonus bet back if your same-game parlay of 3+ legs loses. Available weekly on select sports.
Existing customers. Must opt in. 3+ leg SGP at min -200 odds per leg. Weekly promotion.
BetMGM Lion's Boost
BetMGM
Daily boosted odds on select markets. Check the promotions tab for today's enhanced prices.
Available to all users. Max bet limits apply per boost. Odds enhanced daily on featured markets.
Caesars Profit Boosts
Caesars Sportsbook
Weekly profit boost tokens that increase your potential payout on qualifying bets by up to 50%.
All active users. Boost tokens refresh weekly. Max $50 wager per boosted bet. Select markets only.
ESPN BET Parlay Insurance
ESPN BET
If one leg of your 4+ leg parlay misses, get a bonus bet back up to $25.
Must opt in. 4+ leg parlay at min -200 per leg. One leg can miss for bonus bet refund.