Top Offers for March Madness Games: NCAA Tournament Sportsbook Promotions

March Madness 2025 is underway and college hoops fans in legal betting states can claim NCAA Tournament sportsbook promos using the linked offers on this page. The opening round of the tournament will see matchups running all day long as the college basketball world will soon crown a new champion.

The NCAA Tournament is always one of the most popular betting events of the year, and eligible users in legal sportsbook states can score a plethora of welcome bonuses when they register with the promo code offers detailed below. Take the madness of March to a whole new level this year with sportsbook promos and bonuses for betting on all the dramatic action.

NCAA Tournament fans can secure a terrific welcome bonus from BetMGM Sportsbook when they sign-up for an account using the linked promo code SBD1500 on this page. The new user promo code from BetMGM allows first-timers to score a $1,500 First Bet Offer that provides a positive result from the user’s first wager. With this promo code activated, any first bet on BetMGM that loses will be paid back (up to $1,500) in bonus bets. That means this promo code offer ensures that new players on BetMGM will either win their first bet on the platform or get back an equal amount in bonus bets (up to $1,500).

bet365 Bonus Code SBD365: $150 in Bonus Bets or $1K First Bet Safety Net

March Madness bettors can claim their choice of two welcome offers from bet365 Sportsbook when they sign-up with the bonus code SBD365. One of the options is a bet-and-get style offer that allows new players to bet $5 and get $150 in bonus bets guaranteed. New bet365 users who select this option don’t need to worry about winning their qualifying bet, as the $150 in bonus bets are guaranteed either way. The other option from bet365’s sign-up bonus is a $1,000 First Bet Safety Net. Users who select this promo will have the ability to make a larger initial bet because if they lose that first wager, they will get back an equal amount (up to $1,000) in bonus bets to continue wagering on bet365.

New users on DraftKings Sportsbook can get an instant bonus when they sign-up with the promo linked on this page and place a $5+ qualifying wager. The new user offer from DraftKings provides an offer to bet $5 and get $200 in bonus bets instantly, making it one of the best ways to get in on the NCAA Tournament action. Seeing that the offer is fully guaranteed, new DraftKings users don’t need to sweat the result of their $5+ qualifying wager, they will receive the $200 bonus either way. The offer also provides that bonus instantly, so as soon as new users place a $5+ qualifying bet they will have the $200 in bonuses awarded to their account immediately.

FanDuel Sportsbook has a great low-risk offer for new players to get in on the NCAA Tournament action. After clicking the linked promo code on this page and registering, new users on FanDuel have the ability to bet $5 and get $200 in bonus bets (if their first bet wins). Although this is not a fully guaranteed offer, it only requires a $5+ winning first bet, so it’s very user-friendly and doesn’t require a large commitment. Get in on the March Madness betting for the opening round with the FanDuel promo code linked above.

Caesars Sportsbook is in the mix with two NCAA Tournament sportsbook promos for new users to claim. New users in AZ, CO, IA, IL, IN, KS, KY, LA, MA, MD, ME, MI, NC, NJ, NY, OH, PA, TN, VA, WV, Washington, D.C., and WY can click the linked Caesars Sportsbook promo code SBD2DYW on this page to score a sign-up offer to bet $1 and get ten (10) 100% Profit Boost Tokens. The Caesars Sportsbook Profit Boosts from the promo code offer each have a $25 maximum, so new players will be able to win up to $250 in bonuses from the welcome offer.

New Caesars Sportsbook users signing up in AZ, CO, IA, IL, KY, LA, MD, ME, NY, OH, TN, VA, WY, and Washington, D.C. will have the ability to get an alternate welcome offer that allows them to bet $1 and get $150 in bonus bets (if their first bet wins). Only requiring a $1+ winning first bet, this is as low-risk as it gets for getting an NCAA Tournament sports betting bonus.

College hoops fans can sign-up for an account on Fanatics Sportsbook using the linked promo code on this page to get their choice of welcome offer (depending on their location). New users registering for an account in AZ, MI, PA, and NJ can claim an offer to bet $30 and get $300 in bonus bets when they sign-up with the Fanatics link above. This bet-and-get offer is fully guaranteed, so the $300 in bonus bets are awarded no matter if the user wins or loses their qualifying wager. First-time Fanatics Sportsbook users in all other available states can make a larger first bet on the Fanatics platform when they claim their welcome offer of up to $1,000 in No-Sweat Bets. This offer will pay back any losing first bet (up to $1,000) in bonus bets equal to the amount of the first wager.

ESPN BET is another great option for March Madness bettors as they can get a two-part welcome offer when they sign-up with the linked promo code DIME on this page. After signing-up and entering the promo code DIME, new users on ESPN BET will receive an offer to bet $10 and get $100 in bonus bets as well as a 30-day free trial of ESPN+. The $100 in bonus bets is fully guaranteed, so new users don’t need to worry about winning or losing their $10+ qualifying bet, they’ll receive the $100 bonus either way. The other part of the ESPN BET promo code supplies new bettors with a free 30-day subscription to ESPN+ allowing them to watch live and on-demand sports games and shows.

March Madness is one of the most exciting times of the year for college basketball fans, and sportsbooks are getting in on the action with some fantastic promotions for the NCAA Tournament. Whether you’re a seasoned bettor or just looking to get in on the fun, there are plenty of great offers to take advantage of during March Madness.

One of the top offers you’ll find during the NCAA Tournament is deposit bonuses. Many sportsbooks will offer new customers a bonus when they make their first deposit, giving them extra funds to wager on the games. These bonuses can range from a percentage match of your deposit to a set amount of bonus funds added to your account. This can be a great way to boost your bankroll and make the most of your March Madness betting experience.

Another popular promotion during March Madness is free bets. Some sportsbooks will offer customers free bets to use on the tournament games, giving them a risk-free way to wager on the action. These free bets can be a great way to try out a new sportsbook or experiment with different betting strategies without risking your own money.

In addition to deposit bonuses and free bets, many sportsbooks will also offer special promotions and odds boosts for specific games or teams during March Madness. These promotions can give bettors the opportunity to get better odds on their bets or take advantage of special offers for certain matchups. Keeping an eye out for these promotions can help you maximize your winnings during the NCAA Tournament.

Overall, March Madness is a great time to take advantage of the many promotions and offers available at sportsbooks. Whether you’re a seasoned bettor or just looking to have some fun with your friends, there are plenty of opportunities to make the most of the NCAA Tournament with these top offers. So grab your brackets, place your bets, and get ready for an exciting month of college basketball action!