NCAA Tournament Betting Promos: Get Top Sportsbook Offers for First Four Games

March Madness is here and college hoops fans all throughout the country are getting set to watch the road to the 2025 national championship. Further enhancing the madness throughout the month of March, new users can claim several NCAA Tournament betting promos to score sportsbook bonuses for wagering on all the exciting college basketball action.

The tournament tips off this evening at 6:40 pm ET with the First Four opening round, and sports bettors in legal states can secure betting bonuses for gambling on the games. Don’t miss out on your chance to secure the best sportsbook offers for betting on March Madness 2025 using the linked promos on this page.

BetMGM Sportsbook Promo SDS1500: $1,500 First Bet Offer

NCAA Tournament bettors can score a profitable sign-up offer from BetMGM Sportsbook that allows them to make a meaningful first wager on the platform. Click the linked promo code SDS1500 on this page to get a $1,500 First Bet Offer on BetMGM Sportsbook. With this offer activated, first-time users can make their first wager knowing that if they lose, they will get back an equal amount in bonus bets (up to $1,500). That means the BetMGM new users offer for March Madness allows new users to either win their first bet or get back an equal amount (up to $1,500) in bonus bets.

Caesars Sportsbook Promo SDS2DYW: Double Your Winnings on the Next 10 Bets

New users on Caesars Sportsbook can claim a terrific welcome offer when they sign-up with the promo code SDS2DYW linked on this page. After registering with the linked offer, new users located in AZ, CO, IA, IL, IN, KS, KY, LA, MA, MD, ME, MI, NC, NJ, NY, OH, PA, TN, VA, WV, Washington, D.C. or WY will get an offer to bet $1 and get ten (10) 100% Profit Boost Tokens. The Profit Boost Tokens each carry a $25 maximum, so new users can get a maximum of $250 in bonuses from just a $1 qualifying bet. First-time Caesars Sportsbook users in AZ, CO, IA, IL, KY, LA, MD, ME, NY, OH, TN, VA, WY, or Washington, D.C. have the option to secure an alternative offer to bet $1 and get $150 in bonus bets (if you win). This is not a fully guaranteed bet-and-get offer, but requires new users to win just a $1+ qualifying bet to get back $150 in bonuses.

bet365 Promo Code SDS365: $150 in Bonus Bets or $1K First Bet Safety Net

The bet365 bonus code SDS365 allows new players to claim their choice of two profitable welcome offers when they sign-up for an account today. The offers from bet365 are among the best NCAA Tournament betting promos for college hoops fans. The first option available through the link on this page is an offer to bet $5 and get $150 in bonus bets guaranteed. New users won’t need to worry about winning their $5+ qualifying bet, as the $150 in bonuses will be awarded no matter the result. The other option from bet365 is a $1,000 First Bet Safety Net offer that allows new players to make a larger first wager on the platform. With this offer selected, any first bet that loses will be paid back (up to $1,000) in bonus bets equal to the value of the lost bet.

DraftKings Promo Code: Bet $5, Get $200 in Bonus Bets Instantly

First-time bettors on DraftKings Sportsbook can claim an instant sign-up bonus when they register with the linked promo on this page. Click the DraftKings sign-up bonus above to get an offer to bet $5 and get $200 in bonus bets instantly. The fully guaranteed aspect of this promo means new users won’t need to worry about winning their $5+ qualifying bet. It’s also an instant offer, so the $200 bonus will be paid out as soon as the user places their qualifying wager. Get in on the March Madness action with DraftKings and secure your instant $200 bonus bets reward with the linked offer above.

FanDuel Sportsbook Promo: Bet $5, Win $200 in Bonus Bets

FanDuel Sportsbook is always a great platform for college basketball bettors, and that’s certainly the case as the NCAA Tournament gets underway. Click the linked FanDuel promo code on this page to get a welcome offer to bet $5 and get $200 in bonus bets (if your first bet wins). This is a very low-risk offer as it only requires new players on FanDuel to win a simple $5+ qualifying bet to score $200 in bonuses. Place your qualifying wager on the First Four action tonight and get back $200 in bonuses to use on FanDuel if your first bet wins.

Fanatics Sportsbook Promo Code: $300 Bonus or $1,000 in No-Sweat Bets

Fanatics Sportsbook is a great platform for NCAA Tournament bettors as they can get one of two offers depending on their location when they sign-up for a new account. The first option is available in AZ, MI, PA, and NJ only and allows new players to bet $30 and get $300 in bonus bets. The Fanatics bet-and-get offer is fully guaranteed, so new users will get back $300 in bonuses whether they win or lose their $30 qualifying bet. The other option is available in all other legal Fanatics states and supplies new users with an offer to get up to $1,000 in No-Sweat Bets. After claiming this promo, new players can make their first wager knowing that if their first bet loses, they will get back an equal amount in bonus bets (up to $1,000).

Kevin Wolff

After years of writing as well as Data Analyst work for Pro Football Focus, Kevin Wolff is now a Sports Betting Writer for SportRadar. A graduate of Fordham University in NYC, Kevin is also a full-time dog dad when he's not writing. He can be reached at k.wolff@sportradar.com