Top Sports Betting Websites with Bet Bonus Offers - May 2026

BetMGM.us
Get up to $1,500 paid back in bonus bets, if you don`t win !
5/5 BetMGM.us Review
Gambling problem? Call 1-800-GAMBLER or 1-800-MY-RESET. 21+ only. Please Gamble Responsibly. See BetMGM.com for Terms. First Bet Offer for new customers only (if applicable). Subject to eligibility requirements. Bonus bets are non-withdrawable. In partnership with Kansas Crossing Casino and Hotel. Promotional offers not available in Mississippi, New York, Ontario, or Puerto Rico.
DraftKings
Bet $5, Get $100 in Bonus Bets Instantly!
4.2/5 DraftKings Review
21+ and present in most states. (18+ DC/KY/NH/PR/WY). Void in NH/OR/ONT/PR. Eligibility restrictions apply. On behalf of Boot Hill Casino (KS). Pass-thru of per wager tax may apply in IL. 1 per new DraftKings customer. $5+ first-time bet req. Max. $100 issued as non-withdrawable Bonus Bets that expire in 7 days (168 hours). Stake removed from payout. Terms: sportsbook.draftkings.com/promos. Ends 5/31/26 at 11:59 PM ET.