March Madness Betting Promos: Get Best Offers for Thursday Night Games

After a dramatic regular season and conference tournaments of college basketball, the time has finally come for the 2025 NCAA Tournament to crown a national champion. Now, 68 teams will battle for the title, and college hoops fans can score March Madness betting promos to enjoy the action every step of the way.

The opening round of the tournament officially begins today at 12:15 pm ET with 16 total games on the Thursday schedule. College hoops fans can take their best shot at wagering on the madness when they sign-up for a new sportsbook account using the linked promo code offers on this page.

The road to the Final Four is officially here and sports bettors in legal states can score a variety of welcome offers to bet on the exciting college hoops tournament action when they register with the linked promo codes detailed below.

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

For one of the most profitable sign-up promos for March Madness, college hoops fans can claim the BetMGM Sportsbook promo SDS1500 to get a $1,500 First Bet Offer. After claiming the linked promo on this page, new users on BetMGM will have the ability to make an aggressive first wager if they so choose, because if they lose that first bet, they will get back an equal amount (up to $1,500) in bonus bets. In simpler terms, the BetMGM promo code ensures that new players start with either a winning first bet or they will get back an equal amount in bonus bets if their first bet loses (up to $1,500).

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

March Madness bettors can claim one of two lucrative welcome offers from bet365 Sportsbook when they sign-up using the promo code SDS365. The first option for new players on bet365 is an offer to bet $5 and get $150 in guaranteed bonus bets. The $150 in bonuses are awarded whether the user wins or loses their $5+ qualifying bet thanks to the offer being fully guaranteed. The other option for first-time bet365 users is to claim a $1,000 First Bet Safety Net. For new users who intend to make a larger initial wager, this offer will pay back an equal amount in bonus bets (up to $1,000) if that first bet loses.

Caesars Sportsbook Promo SDS2BG1: Bet $1, Win $150 in Bonuses

Caesars Sportsbook has a great promo for new NCAA Tournament bettors in AZ, CO, IA, IL, KY, LA, MD, ME, NY, OH, TN, VA, WY, and Washington, D.C. as they can claim the code SDS2BG1 to get an offer to bet $1 and win $150 in bonus bets. With just a $1 winning first bet required to unlock $150 in bonuses, this is one of the most low-risk ways to get in on the March Madness betting action. New users in other legal Caesars Sportsbook states will get an offer to bet $1 and score ten (10) 100% Profit Boost Tokens. Each of the Profit Boosts carries a $25 maximum, so the $1 qualifying wager can unlock a maximum of $250 in bonuses.

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

NCAA Tournament bettors can claim one of the best March Madness betting promos from DraftKings Sportsbook when they register using the linked promo code on this page. The current welcome offer from DraftKings allows new users to bet just $5 and get $200 in bonus bets instantly. That means new players don’t need to wait around for their qualifying bet to be settled, hoping for a win. Instead, new users on DraftKings will receive $200 in bonus bets instantly as soon as they register with the linked promo code and place a $5+ qualifying wager on the platform.

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

FanDuel Sportsbook is another ultra-popular college basketball betting platform, and new players can score $200 in bonuses with a simple $5+ first bet win. Click the linked promo code on this page to unlock the bet-and-get offer that hooks up new players with $200 in bonus bets if they win their first bet of at least $5. This is one of the most user-friendly ways to wager on the 2025 NCAA Tournament, as users only need to win a simple $5+ qualifying wager to score $200 in bonuses. Use the link on this page to score the offer today and get $200 in FanDuel bonus bets if you win your first $5+ wager.

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

Fanatics Sportsbook is another great option for betting on the NCAA Tournament and new players can get one of two offers depending on their location at the time of registration. The option for new users in AZ, MI, PA, and NJ provides first-time Fanatics Sportsbook users to bet $30 and get $300 in bonus bets. The offer is fully guaranteed, so the $300 in bonuses is paid out whether the user wins or loses that $30 qualifying wager. The other option from Fanatics (available for users in all other legal Fanatics states) provides up to $1,000 in No-Sweat Bets. With this option selected, any first bet that loses will be paid back (up to $1,000) in bonus bets equal to the amount of the lost first wager.

ESPN BET Sportsbook Promo Code SOUTH: $100 Bonus & 30-days of ESPN+

First-time users on ESPN BET can claim a terrific welcome bonus when they sign-up with the promo code SOUTH. The two-part sign-up bonus from ESPN BET allows new players to bet $10 and get $100 in bonus bets, and it’s a fully guaranteed offer. That means no matter the win/loss result of the $10 qualifying bet, new users will receive $100 in bonus bets to use on the ESPN BET platform. Additionally, first-time bettors on ESPN BET will score a free 30-day trial for ESPN+ to watch live and on-demand action across a variety of leagues and sports.

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