Massachusetts Online Sportsbook Reviews & Ratings
Massachusetts offers legal and regulated sports betting through licensed apps like DraftKings and FanDuel but, some residents may still turn to offshore sportsbooks for added flexibility. They also tend to offer broader betting markets, including political events, entertainment props, and higher limits on niche sports. Additionally, offshore sportsbooks frequently support cryptocurrency transactions, which appeal to users seeking faster payouts and greater privacy. For bettors who prioritize variety, anonymity, or access to restricted markets, offshore options can be an attractive alternative.
Massachusetts Sports Betting App Reviews & Ratings
Onshore Sportsbooks
Offshore Sports Betting Sites in Massachusetts: A 2025 Guide to Legal Alternatives
Massachusetts legalized sports betting in 2023, with both retail and mobile sportsbooks now operating under state regulation. However, many residents still explore offshore sportsbooks for broader market access, more aggressive bonuses, and flexible banking options. These platforms operate outside U.S. jurisdiction—typically licensed in Panama, Curaçao, or Costa Rica—and offer secure, mobile-optimized betting experiences.
This guide reviews eight leading offshore sportsbooks available to Massachusetts bettors, comparing features, bonuses, and banking options to help you choose the right platform for your betting style.
1. BetUS – Best Overall Sportsbook for Massachusetts Bettors
Overview
Operating since 1994 under a Curaçao license, BetUS is a veteran sportsbook known for its massive bonuses, deep betting markets, and educational resources like BetUS TV and the Locker Room blog.
Key Features
- Sports: 25+ including NFL, NBA, MLB, NHL, college football and basketball (including Boston College and UMass), soccer, MMA, and eSports.
- Live Betting: 200+ markets across major leagues.
- Educational Tools: Free picks, betting guides, and expert analysis.
Banking
- Supports Bitcoin, Ethereum, Litecoin, credit cards, bank wire, PayPal, and Skrill.
- Crypto payouts are fee-free and processed in 24 hours.
Why BetUS?
Its high-value bonuses, educational content, and broad market coverage make it the top choice for Massachusetts bettors, especially those new to offshore betting or looking for added value.
- BetUS Promo Codes:
- Promo Code :Â Welcome Bonus: 125% match up to $2,625 (code:Â JOIN125, $100 minimum, 14x rollover, 20% for casino).
- Promo Code :Â Crypto Bonus: 225% match up to $3,652 (code:Â JOIN225, $100 minimum, 18x rollover, split for sports and casino).
- Promo Code : Reload Bonus: 150% sports/50% casino bonus (code: FIRST200).
- Promo Code : Referral Bonus: 300% match up to $6,000.
2. Bovada – Best for Prop Betting and Poker
Overview
Founded in 2011 and based in Costa Rica, Bovada is one of the most trusted offshore sportsbooks in the U.S. It’s known for its Prop Builder tool and intuitive mobile platform.
Key Features
- Sports: NFL, NBA, MLB, NHL, college sports, soccer, tennis, eSports, and niche markets like politics and entertainment.
- Prop Builder: Create custom bets on player stats and game outcomes.
- Live Betting: Includes streaming for select events.
- Mobile Platform: Browser-based, optimized for iOS and Android.
Banking
- Accepts Bitcoin, Ethereum, credit cards, bank wire, and gift cards.
- Crypto withdrawals processed in 24 hours, with limits up to $9,500.
Why Bovada?
Its low rollover, custom prop tools, and user-friendly interface make it ideal for Massachusetts bettors who value flexibility and control.
- Bovada Promo Codes:
3. BetOnline – Best for Early Lines and Live Betting
Overview
Founded in 2004 and licensed in Panama, BetOnline is known for its early lines, live betting features, and community contests.
Key Features
- Sports: 30+ including NFL, NBA, NHL, college sports, MMA, eSports, and politics.
- Live Streaming: BetTV offers expert picks and real-time action.
- Prop Builder: Custom player and team props.
Banking
- Bitcoin, Ethereum, Litecoin, Ripple, credit cards, bank wire.
- Crypto withdrawals within 24–48 hours, limits up to $100,000.
Why BetOnline?
Perfect for Massachusetts bettors who want early access to lines, live streaming, and low-risk promotions.
- BetOnline Promo Codes:
- Promo Code :Â Welcome Bonus: 50% match up to $250 Risk Free Sports Bets & 100 Free Spins (code:Â FREE250, $55 minimum, 1x rollover).
- Promo Code :Â Crypto Bonus: 100% match up to $1,000 for first crypto deposit (code:Â CRYPTO100, 14x rollover).
- Promo Code : Reload Bonus: 25% match up to $250 weekly (code: LIFEBONUS, 10x rollover)..
4. Bookmaker – Best for High Rollers
Overview
Established in 1986 and licensed in Costa Rica, Bookmaker is a favorite among professional bettors for its high limits and sharp odds.
Key Features
- Sports: NFL, NBA, NHL, college sports, soccer, eSports.
- Live Betting: Competitive in-play odds.
- Loyalty Program: Up to 8% cash rebates.
Banking
- Bitcoin, Ethereum, credit cards, bank wire.
- Crypto withdrawals within 24 hours, high limits.
Why Bookmaker?
Best for serious Massachusetts bettors who prioritize limits and odds over flashy promotions.
- Bookmaker.eu Promo Codes:
- Promo Code :Â Welcome Bonus: 20% match up to $500 (code:Â BKM500, $100 minimum, 8x rollover).
- Promo Code :Â Crypto Bonus: 100% match up to $500 for crypto deposits (code:Â CRYPTO100, $100 minimum 20x rollover).
- Promo Code :Â Risk Free Bet: 100% Risk Free First Bet up to $400 (code:Â GET100, $100 minimum 1x rollover).
- Promo Code :Â NFL Promo: 100% match up to $500 (code:Â NFL500, $100 minimum 20x rollover)
5. BUSR – Best for Horse Racing
Overview
Licensed in Curaçao, BUSR specializes in horse racing and offers solid sports betting options with competitive odds.
Key Features
- Sports: 30+ including NFL, NBA, college sports, eSports.
- Racebook: U.S. and international tracks with 10% rebate.
- Live Betting: Includes cash-out options.
Banking
- Bitcoin, Litecoin, credit cards, bank wire, MoneyGram.
- Crypto payouts within 24–48 hours.
Why BUSR?
Great for Massachusetts bettors who enjoy horse racing, though the high rollover may be a drawback.
- BUSR Promo Codes:
- Promo Code :Â Welcome Bonus: 100% match up to $2,500 (code:Â SPORTS100FB, $100 minimum, 20x rollover).
- Promo Code :Â Crypto Bonus: 150% match up to $2,500 (code:Â CRYPTO150).
- Promo Code :Â Rebate: Up to 10% on horse betting losses.
6. MyBookie – Best for Mobile Betting
Overview
Launched in 2014 under a Curaçao license, MyBookie is known for its mobile-first design and same-game parlays.
Key Features
- Sports: 30+ including NFL, NBA, NHL, soccer, eSports.
- Live Betting: Includes cash-out options.
- Bet Builder: Create custom wagers.
Banking
- Bitcoin, Litecoin, Ethereum, credit cards, bank wire.
- Crypto payouts within 24–48 hours.
Why MyBookie?
Perfect for Massachusetts bettors who prefer mobile betting and parlay flexibility.
- MyBookie Promo Codes :
- Promo Code : Welcome 100% Risk Free Bet up to $500 MB100BB
- Promo Code : Welcome 100% Deposit Bonus up to $1,000 MB100
- Promo Code : Crypto Welcome 100% Bonus up to $1,000 CRYPTO100
- Promo Code : Welcome 10% Cash Bonus to $200 1x rollover 200CASH
- Promo Code : Reload up to 35% MBSPORTSRELOAD
- Promo Code : Crypto Reload up to 55% MBCRYPTORELOAD
7. Sportsbetting.ag – Best for Sports Contests
Overview
A sister site to BetOnline, Sportsbetting.ag offers the widest sports coverage and early college lines.
Key Features
- Sports: 40+ including NFL, NBA, NHL, eSports, entertainment.
- Live Betting: Multi-View for tracking multiple games.
- Contests: Cash prize competitions.
Banking
- Bitcoin, Ethereum, Litecoin, credit cards, bank wire, checks.
- Crypto payouts within 24–48 hours.
Why Sportsbetting.ag?
Best for Massachusetts bettors who want broad market access and early college lines.
- Sportsbetting ag Promo Codes:
8. XBET – Best for Low Rollers
Overview
A sister site to MyBookie, XBET launched in 2014 and excels in live betting with a sleek mobile platform.
Key Features
- Sports: 25+ including NFL, NBA, college sports, eSports.
- Live Betting: Reduced-juice -105 lines.
- Bet Builder: Custom wagers.
Banking
- Bitcoin, Litecoin, credit cards, bank wire.
- Crypto payouts within 24 hours.
Why XBET?
Great for Massachusetts bettors who want low rollover and fast crypto payouts.
- XBet Promo Codes:
- Promo Code :Â Welcome Bonus: 50% match up to $200 (code:Â XBWELCOME50Â 10x rollover).
- Promo Code :Â Crypto Welcome Bonus:Â 100% up to $200 (code:Â XBCRYPTO100Â 10x rollover)
- Promo Code :Â Reload Bonus: 25% match up to $250 (code: XB25, 10x rollover).
- Promo Code :Â Casino Bonus: 200% match up to $500 (code:Â XBC200, 40x rollover).
Sportsbook Promos Comparison Massachusetts Bettors
1x Rollover Promos to start betting today – Must use Promo Code
- Betonline: 50% First deposit bonus to $250 in free bets and 100 Casino Spins
- Bookmaker: 100% First deposit bonus match for a risk free bet.
- Sportsbetting: 50% First deposit bonus to $250 in free bets and 100 Casino Spins
- MyBookie 100% First BET Risk Free to $500, risk free bet.
| Sports Sites | Click Code | Bonus | Type | Rollover |
|---|---|---|---|---|
| BetOnline ag | FREE250 | $250 Free Bets | All | 1x Rollover |
| BetOnline ag | CRYPTO100 | 100% to $1,000 | Crypto | 14x Rollover |
| BetUS | JOIN125 | 125% to $2,625 | All | 14x Rollover |
| BetUS | JOIN225 | 225% to $3,625 | Crypto | 18x Rollover |
| Bookmaker | GET100 | $400 Free Bet | All | 1x Rollover |
| Bookmaker | NFL500 | 100% to $500 | All | 20x Rollover |
| Bovada | BV1000 | 50% to $1,000 | All | 5x Rollover |
| Bovada | BTCSWB750 | 75% to $750 | Crypto | 5x Rollover |
| BUSR | SPORTS100FP | 100% to $2500 | All | 20x Rollover |
| BUSR | 100CRYPTOP | 100% to $1,000 | Crypto | 10x Rollover |
| MyBookie | MB100BB | 100% to $500 | All | 1x Rollover |
| MyBookie | CRYPTO100 | 100% to $1,000 | Crypto | 10x Rollover |
| Sportsbetting ag | WELCOME | $250 Free Bets | All | 1x Rollover |
| Sportsbetting ag | CRYPTO100 | 100% to $1,000 | Crypto | 14x Rollover |
| XBET | XBWELCOME50 | 50% to $200 | All | 8x Rollover |
| XBET | XBCRYPTO100 | 100% to $200 | Crypto | 10x Rollover |
