The 2026 NCAA Tournament officially tips off today, Thursday, March 19, 2026. Claim the best sportsbook promos for March Madness from the Action Network and bet on all of your NCAA Tournament bracket picks now. New sports bettors can capitalize on more than $7,000 in March Madness betting promos for college basketball by clicking on the sign-up modules below.
The best sportsbook promos for March Madness include offers from the top online sports betting sites like Fanatics Sportsbook, BetMGM, FanDuel, DraftKings, bet365, Caesars Sportsbook, Hard Rock Bet, and theScore Bet.
Updated March Madness Betting Promos for NCAA Tournament Games Today
| Best Sportsbook Promos for March Madness | Promo Code |
|---|---|
| Fanatics Sportsbook – Get up to $1,000 Matched in FanCash | ACTION |
| BetMGM – Get up to $1,500 Back in Bonus Bets if Your First Bet Doesn't Win | TOPACTION |
| FanDuel – Get up to $3,000 Back in Bonus over 10 Days | Click Here |
| DraftKings – Bet $5, Get $200 in Bonus Bets + 100% NCAA Tournament Winner Profit Boost | Click Here |
| bet365 – $365 Bet-and-Get or $1,000 First Bet Safety Net | Click Here |
| Caesars Sportsbook – Bet $1, Double Your Winnings on Next 10 Wagers | ACTION4DYW |
| Hard Rock Bet Promo Code – Get 10 x 100% Profit Boost Tokens | Click Here |
| theScore Bet Promo Code – $1,000 First Bet Reset | ACTNEWS |
Latest Sportsbook Promos for March Madness Games Today
Take advantage of the offers below by claiming one sign-up bonus from each sportsbook to unlock more than $7,000 from the best sportsbook promos for March Madness and bet on NCAAB odds from the NCAA Tournament games today.
Bet Now With Fanatics Sportsbook Promo Code ACTION
The Fanatics Sportsbook promo code ACTION unlocks multiple March Madness betting promos. The most popular is the $200 bet-and-get offer, which you can access here. The way it works is simple — bet $5 and receive $200 in FanCash instantly. FanCash can be converted into bonus bets or used on licensed merchandise. This offer is available in AZ, CO, CT, DC, IA, IN, KS, KY, LA, MA, MD, MI, MO, NJ, OH, PA, VA, VT, WV, and WY.
Top BetMGM Bonus Code for March Madness
The BetMGM bonus code TOPACTION provides one of the highest-value March Madness betting promos, offering up to $1,500 in bonus funds back, if your first bet loses. Use your bonus bets on more NCAA Tournament games this week.
Claim $3,000 March Madness Betting Promo with FanDuel Sportsbook
Don’t miss one of the most valuable offer on our list of the best sportsbook promos for March Madness right now. Click this link and use the FanDuel promo code to bet on the NCAA Tournament. Over your first 10 days with a new FanDuel account, you can earn up to $300 in bonus bets back daily if your wager doesn’t win.
In Indiana and Virginia, users can access a separate offer that provides up to $1,000 in bonus bets through the module below.
DraftKings Promo Code for NCAA Tournament
Activate one of the top March Madness betting promos with the DraftKings promo code. Place a first bet at -500 odds or longer to receive $200 in bonus bets instantly, along with a 100% Profit Boost Token for NCAA Tournament bets today.
Click Link to Claim bet365 Bonus Code TOPACTION March Madness Betting Promo
The bet365 bonus code TOPACTION delivers up to $1,000 in bonus value when you sign up with one of the best sportsbook promos for March Madness today. Choose between a $365 bet-and-get promo or $1,000 First Bet Safety Net in AZ, CO, IA, IN, KS, KY, LA, NC, OH, TN, and VA. Users in PA and NJ can claim a $365 bonus with added casino perks, while IL users can access a $150 bet-and-get offer.
Click the sign-up module below to claim the bet365 March Madness promo (You must click to claim).
Get 10 Profit Boost Tokens With Caesars Sportsbook Promo Code ACTION4DYW
Use the Caesars Sportsbook promo code ACTION4DYW to claim the best March Madness betting promo from Caesars Sportsbook. Sign up now with this link, place a $1 first bet, and Caesars Sportsbook provides 10 x 100% Profit Boost Tokens to double your winnings on your next 10 wagers for $25 or less.
Claim 100% Profit Boost Tokens from Hard Rock Bet in NJ and MI
The Hard Rock Bet promo code offers one of the top sportsbook promos for March Madness in NJ and MI. Sign up today to get 10 100% Profit Boost Tokens that can be applied to NCAAB bets of $50 or less to enhance potential payouts.
Use theScore Bet Promo Code ACTNEWS to Bet on March Madness Today
Sign up with theScore Bet promo code ACTNEWS to unlock up to $1,000 in bonus funds for new users. Place your first bet now, and if it doesn’t win, you receive bonus bets that expire in seven days for more March Madness games this week.
Use Kalshi Promo Code ACTION as Alternative to Sportsbook Promos for March Madness
For a different approach, the Kalshi promo code ACTION provides a $10 bonus for new sign-ups when they complete a $10 trade. Use your prediction market bonus funds on college basketball prediction markets throughout the NCAA Tournament.
NCAA Tournament Bracket Predictions
Use the best March Madness betting promos above with our expert picks from Action Network. Bet on NCAA Tournament bracket predictions or any sports betting market you want to wager on today.
