March Madness Betting Promos: Get $3,200 in NCAA Tournament Bonuses

March is here and that means it’s time for the madness to begin in the world of college basketball. Hoops fans all throughout the country will be filling out brackets by the dozen, and for eligible users in legal states there are March Madness betting promos to be claimed that will provide lucrative sportsbook bonuses for wagering on the action.

Tournament action is just around the corner with Round 1 tipping off Thursday. So don’t wait around and use the linked offers on this page to score all the best bonuses for wagering on the 2025 NCAA Basketball Tournament.

March Madness Betting Promos

It’s almost time for the most exciting month of college basketball as the NCAA Tournament is just around the corner. The action will officially get underway on Tuesday with the First Four round as teams fight to get entry to the big dance. At 6:40 pm ET, St. Francis will take on Alabama State for the right to claim the 16th seed in the South region. Then, at 9:10 pm ET the UNC Tar Heels battle the San Diego State Aztecs for the 11th seed in the South region.

Before the action tips off, users in legal sportsbook states can claim the March Madness betting promos linked on this page to score the best offers for wagering on the NCAA Tournament.

BetMGM Sportsbook Promo SBD1500: $1,500 First Bet Offer

BETMGM SPORTSBOOK

Offer

T&Cs

Get Up To $1,500 Paid Back in Bonus Bets

21+ only. Please Gamble Responsibly. Gambling problem? Call 1-800-GAMBLER (US); 1-800-327-5050 (MA); 1-800-NEXT-STEP (AZ); 1-800-BETS-OFF (IA); 1-800-981-0023 (PR), 877-718-5543 or visit morethanagame.nc.gov (NC). See BetMGM.com for T&C. US promotional offers not available in MS, NY, NV, ON, or PR.

LOCK IN PROMO

CODE: SBD1500

CODE: SBD1500

SIGNUP BONUS

GET $1,500
BACK

BET NOW

College basketball bettors can enhance the madness of March when they claim the BetMGM Sportsbook promo code SBD1500 which unlocks a $1,500 First Bet Offer for new users on the platform. With this offer activated, any first bet that loses will be paid back (up to $1,500) in bonus bets equal to the value of the lost wager. That means the BetMGM promo code ensures that new users will either win their first bet on the platform or get back an equal amount (up to $1,500) in bonus bets if they lose that first bet.

Caesars Promo SBD2DYW: Get Ten (10) 100% Profit Boosts

CAESARS SPORTSBOOK

Bet $1 & Double Your Winnings On Your First 10 Bets!

LOCK IN PROMO

CODE: SBD2DYW

CODE: SBD2DYW

SIGNUP PROMO

DOUBLE YOUR
WINNINGS

ON YOUR FIRST 10 BETS!

CLAIM OFFER

Caesars Sportsbook is a great place for NCAA Tournament bettors to place their wagers, and new users can claim one of two welcome offers depending on their location at sign-up. For new Caesars Sportsbook 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, the linked promo code SBD2DYW unlocks a new user offer to bet $1 and get ten (10) 100% Profit Boosts. The Profit Boosts awarded from this promo code each carry a $25 maximum, so new users can score up to $250 in bonuses from their $1 qualifying wager.

New Caesars users located in AZ, CO, IA, IL, KY, LA, MD, ME, NY, OH, TN, VA, WY, or Washington, D.C. can claim an alternative welcome offer that provides the ability to bet $1 and get $150 in bonus bets (if you win). In other words, a simple $1+ winning first bet will bring back $150 in bonus bets for the new Caesars Sportsbook user.

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

BET365
SPORTSBOOK

Offer

T&Cs

Bet $5 & Get $150 in Bonus Bets Guaranteed or a First Bet Safety Net up to $1,000!

Deposit required. Paid in Bonus Bets. Bonus Bets wager excluded from returns. New Customers only. T&Cs, time limits and exclusions apply

LOCK IN PROMO

CODE: SBD365

CODE: SBD365

SIGNUP PROMO

BET $5
GET $150

OR GET UP TO $1,000 BACK

CLAIM OFFER

NCAA Tournament bettors can claim a choice of two impressive welcome offers when they sign-up with the bet365 bonus code SBD365 linked on this page. The first option from the bet365 bonus code is an offer to bet $5 and get $150 in bonus bets guaranteed. This is a fully guaranteed offer, so the $150 in bonus bets will be awarded to new users whether they win or lose that $5+ qualifying wager. The second option from the bet365 promo code is a $1,000 First Bet Safety Net that allows new users to make a larger first wager after registering for an account. With this offer activated, any first bet that loses will be paid back (up to $1,000) in bonus bets equal to the amount of the lost first bet.

DraftKings Sportsbook Promo: Get $200 in Bonus Bets Instantly

DRAFTKINGS
SPORTSBOOK

Bet $5 & Get $200 in Bonus Bets + $50 Deposit Bonus

LOCK IN PROMO

SIGNUP PROMO

BET $5
GET $250

GET PROMO

DraftKings is certain to be a popular destination for college hoops bettors during the tournament, and the new users offer is one of the best March Madness betting promos available. The DraftKings promo code linked on this page unlocks a new user offer to bet $5 and get $200 in bonus bets (instantly). This is a fully guaranteed (and instant) welcome offer, so new users won’t need to wait around hoping to win their $5+ qualifying bet. As soon as the qualifying wager has been placed, the new user on DraftKings will have $200 in bonuses awarded to their account.

FanDuel Sportsbook Promo: Win $200 in Bonus Bets

FANDUEL SPORTSBOOK

Offer

T&Cs

Bet $5 & Get $250 in Bonus Bets if Your Bet Wins

Must be 21+. T&C Apply. Gambling Problem? Call 1-800-GAMBLER.

LOCK IN PROMO

SIGNUP PROMO

BET $5
GET $250

BET NOW

New users on FanDuel Sportsbook can get a fast start for wagering on the madness of March when they sign-up with the linked promo code offer on this page. The FanDuel promo code will provide new players with a profitable welcome offer to bet $5 and get $200 in bonus bets (if their first bet wins). This is a very low commitment offer as it requires first-time bettors to win just a $5+ first wager to unlock $200 in bonus bets for continuing to play on FanDuel Sportsbook. Don’t miss out on this offer for NCAA Tournament betting from FanDuel with just a $5 first bet win unlocking $200 in bonuses.

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

Last on this list of sportsbook offers for March Madness is Fanatics Sportsbook, supplying a choice of two sign-up promos for new users (depending on their location at registration). The linked Fanatics Sportsbook promo code on this page provides new users with the choice between a $300 bonus or an option to get $1,000 in No-Sweat Bets. The $300 in bonus bets option is available in AZ, MI, PA, and NJ only, and it requires new players to make a $30 qualifying bet to get back $300 in bonus bets. This offer is fully guaranteed, so the $300 in bonus bets will be paid out no matter if the user wins or loses their $30 qualifying bet. The second option from the Fanatics promo code (available in all other legal Fanatics Sportsbook states) allows first time bettors to make a larger initial wager on Fanatics. With the $1,000 in No-Sweat Bets option, new users can make their first wager knowing that if it loses, they will get back (up to $1,000) bonus bets equal to the amount of the lost wager.