March Madness Betting Promos: Get Best Offers for Sunday Tournament Games

Published: March 23, 2025 at 12:00 pm EDT

march madness betting promos — Mar 21, 2025; Raleigh, NC, USA; Duke Blue Devils forward Cooper Flagg (2) celebrates during the first half against the Mount St. Mary's Mountaineers in the first round of the NCAA Tournament at Lenovo Center. Mandatory Credit: Zachary Taft-Imagn Images

The 2025 NCAA Tournament is in full swing as college hoops fans across the country are enjoying the early rounds of action. College basketball fans in legal sportsbook states can enhance the excitement of March Madness even further when they claim the March Madness betting promos on this page to get a host of impressive welcome offers.

Today will see the Round of 32 concluded, meaning the Sweet 16 will officially be set. So before the 2025 NCAA Tournament action unfolds any further, use the lined promo code offers on this page to get the best bonuses for betting on the games.

March Madness bettors can claim a huge sign-up bonus from BetMGM Sportsbook when they sign-up with the linked promo code NEWSWEEK1500. The current BetMGM promo code unlocks a $1,500 First Bet Offer that allows new users to wager with confidence on their initial wager. With this promo applied, any first bet that is lost will be paid back (up to $1,500) in bonus bets equal to the amount of the lost first wager. That means the BetMGM promo code ensures a winning first bet or an equal amount back in bonus bets (up to $1,500).

First-time users on bet365 Sportsbook can sign-up with the linked promo code WEEK365 on this page to secure their choice between two generous welcome offers. The first option from bet365 is an offer to bet $5 and get $150 in bonus bets guaranteed. With the offer being fully guaranteed, the $150 in bonus bets is paid out whether the qualifying bet wins or loses. The other option from bet365 is a $1,000 First Bet Safety Net. This offer allows new users to make a larger first bet because if they lose, they will get back an equal amount in bonus bets (up to $1,000).

For one of the best March Madness betting promos available, first-time users on DraftKings Sportsbook can score an instant bonus when they sign-up with the linked promo code on this page. The welcome offer on DraftKings Sportsbook allows new players to bet $5 and get $200 in bonus bets instantly. There’s no need to wait around for your qualifying wager to be settled, as the bonus is paid out instantly. So as soon as new players sign-up and place their $5 qualifying bet, the $200 in bonuses will be awarded to their account.

FanDuel Sportsbook has a great bet-and-get offer for new users looking to get in on the March Madness action. Click the linked FanDuel promo code on this page to score an offer to bet $5 and get $200 in bonus bets (if your first bet wins). Although the $200 bonus bets reward is not fully guaranteed, new users only need to win a simple $5+ first bet to receive the $200 bonus. That makes the FanDuel welcome offer one of the most low-risk and user-friendly ways to get in on the March Madness betting.

Caesars Sportsbook has a terrific sign-up offer for new college basketball bettors who register using the linked promo code NEWSWK2BG1 linked on this page. The sign-up promo from Caesars unlocks an offer to bet $1 and win $150 in bonus bets. This is as low commitment as it gets with just a $1 first bet win required to unlock $150 in bonuses. Don’t wait around and score the Caesars welcome offer today using the linked promo above.

FANATICS SPORTSBOOK
BET & GET UP TO $1,000 NO SWEAT BETS!
CLAIM OFFER
FANATICS SPORTSBOOK
BET & GET $50 IN BONUS BETS! (NY ONLY)
CLAIM OFFER
FANATICS CASINO
DEPOSIT $5 & GET $50 IN CASINO CREDIT (MI, NJ, PA, WV)
CLAIM OFFER
New customers in AZ, CO, CT, DC, IA, IL, IN, KS, KY, LA, MA, MD, MI, NC, NJ, NY, OH, PA, TN, VA, VT, WV, or WY only. Must apply this Promotion in your bet slip & place and settle $5+ cash wager with odds of - 200 or longer to get a Bonus Bet match (up to $100) each day for 10 straight days. Your 10 days begin the day you sign up. Bonus Bets expire 7 days from issuance. Add’l Terms apply, see Fanatics Sportsbook app.

Fanatics Sportsbook is dishing out one of two welcome bonuses for new players depending on their location at sign-up. For first-time Fanatics Sportsbook players located in AZ, CO, CT, IN, LA, MA, MD, MI, NJ, PA, TN, VA, or WV, the sign-up promo unlocks an offer to bet $30 and get $300 in bonus bets. The $300 bonus is guaranteed, meaning it’s awarded no matter the win/loss result of the $30 qualifying bet.

Fanatics Sportsbook users in any other legal sports betting state will receive up to $1,000 in No-Sweat Bets when they sign-up. With this offer applied, any first bet that loses will be paid back an equal amount in bonus bets (up to $1,000 maximum).

ESPN BET is here for NCAA Tournament betting, and first-time users on the platform can score a fantastic two-part promo when they register with the linked promo code NEWSWEEK. Sign-up and enter the promo code NEWSWEEK at the time of registration to score a welcome offer to bet $10 and get $100 in bonus bets and a trial of ESPN+. The $100 reward is fully guaranteed, so new players don’t need to sweat the result of their qualifying bet. The ESPN BET promo code will also provide new users with a 30-day free trial of ESPN+ in addition to the $100 bonus bets reward.

Bob Wankel

March Madness Betting Promos: Get Best Offers for Sunday Tournament Games

BetMGM Promo Code DIME1500: Score a $1,500 First Bet Offer

bet365 Promo Code SBD365: Get $150 in Bonus Bets or a $1K Safety Net

DraftKings Promo Code: Claim $200 in Bonus Bets Instantly

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

Caesars Promo Code SBD2BG1: Bet $1, Get $150 in Bonus Bets

Fanatics Sportsbook Promo Code: $300 in Bonuses or $1K in No-Sweat Bets

ESPN BET Promo Code DIME: $100 in Bonus Bets and ESPN+ trial

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