With March Madness fast approaching and conference tournaments in full swing, sportsbooks are rolling out some of the most lucrative March Madness betting promos of the year. Whether you’re placing a bet on a powerhouse like Duke or Houston or scouting a Cinderella team capable of a deep tournament run, these exclusive sign-up offers give bettors an added edge as the action intensifies.
With over $6,000 in potential bonus funds available across top sportsbooks, now is the perfect time to take advantage of these March Madness betting promos. From No Sweat Bets that provide insurance on your first wager to deposit matches and bet-and-get promotions, sportsbooks are delivering extra value for every type of bettor.
| March Madness Betting Apps | Best March Madness Betting Promos | Sign-Up Link |
|---|---|---|
| bet365 | $1,000 First Bet Safety Net or $150 Bet-and-Get | TOPACTION |
| BetMGM | $1,500 First Bet Offer or $1,500 Deposit Match | ACTIONGET |
| Caesars Sportsbook | Get 10 100% Profit Boost Tokens | ACTION4DYW |
| Fanatics Sportsbook | $1,000 in No Sweat Bets or Bet $30, Get $300 in Bonus Bets | CLICK HERE |
| Underdog Fantasy | Get Up to $1,000 Bonus Cash From First Deposit | TOPACTION |
These March Madness betting promos are designed to cater to every type of bettor, whether you're looking for first bet insurance or guaranteed bonus bets. Whether you’re a seasoned bettor with a deep knowledge of college basketball or a newcomer looking to make the most of your first wager, these offers provide valuable opportunities to extend your bankroll and maximize potential winnings.
March Madness is one of the busiest betting periods of the year, and sportsbooks are competing to offer the best incentives. No matter your preferred strategy—betting on championship favorites, looking for value in underdogs, or targeting player props—these March Madness betting promos ensure that you’re getting extra value on every NCAAB pick.
With a packed college basketball slate today, there’s no better time to lock in these sportsbook offers. Whether you’re backing a top seed in a conference tournament or spotting an underdog poised for a major upset, these promos give you the best opportunity to cash in on the madness of March.
Best March Madness Betting Promos
1. bet365 Sportsbook
- bet365 Bonus Code: TOPACTION
- $1,000 First Bet Safety Net or Bet $5, Get $150 Win or Lose
- Exclusive PA Offer: Bet $5, Get $150 in Bonus Bets + 50 Casino Spins, Win or Lose
- bet365 Sportsbook States: AZ, CO, IA, IN, KY, LA, NC, NJ, OH, PA, VA
If you're looking for a bankroll boost, bet365 Sportsbook delivers two top-tier welcome offers for new users, allowing bettors to choose the March Madness betting promo that best aligns with their wagering strategy.
Whether you prefer a protected way to place a larger bet or want a low-cost option with guaranteed bonus bets, the bet365 bonus code TOPACTION gives new users flexibility and value throughout the college basketball season.
For bettors who want extra protection on their first wager, the First Bet Safety Net ensures that your initial stake is refunded in bonus bets—up to $1,000—if it loses.
This promotion is ideal for those looking to place a larger bet on a high-stakes college basketball matchup while maintaining a safety cushion in case the bet doesn’t hit.
How the First Bets Safety Net works:
- Sign up using the bet365 bonus code TOPACTION.
- Deposit at least $10 into your account.
- Place your first bet on any eligible NCAAB market (-500 odds or longer).
- If your bet wins, you receive your full payout in cash.
- If your bet loses, bet365 refunds the stake in bonus bets, up to $1,000.
This promo is perfect for those who want to take a high-value shot on a team like Purdue or Boise State to cover the spread or win outright.
If you prefer a low-risk option with guaranteed rewards, the Bet $5, Get $150 promotion allows you to lock in bonus bets regardless of your wager’s outcome.
How It Works:
- Register with the bet365 bonus code TOPACTION.
- Deposit a minimum of $10.
- Place a $5 first bet on any college basketball game.
- Whether your bet wins or loses, you receive $150 in bonus bets once your wager settles.
This offer is great for casual bettors or those looking to build their bankroll while taking a shot on an underdog or player prop in conference tournament action.
For bettors in Pennsylvania, the bet365 bonus code TOPACTION unlocks an enhanced version of the Bet & Get promo. Instead of just receiving $150 in bonus bets, PA users also get 50 bet365 Casino spins, adding extra value beyond sports betting.
2. BetMGM Sportsbook
- BetMGM Bonus Code TOPTAN1500: 20% Deposit Match, Up to $1,500
- BetMGM Bonus Code TOPACTION Get up to $1,500 Back in Bonus Bets if Your First Bet Doesn't Win
- BetMGM Available States: AZ, CO, DC, IL, IN, IA, KS, KY, LA, MA, MD, MI, NJ, NC, OH, PA, TN, VA, WV, WY
Now is the perfect time to take advantage of March Madness betting promos by signing up with a BetMGM bonus code. Whether you’re looking for a guaranteed deposit match to extend your bankroll or a safety net for your first bet, these offers provide valuable incentives to make the most of your wagers.
For those looking to place multiple bets across the college basketball season, the BetMGM deposit match promo provides a significant bankroll boost.
How to Claim the 20% Deposit Match:
- Sign up using BetMGM bonus code TOPTAN1500 in eligible states: AZ, CO, DC, IN, IA, KS, KY, MA, MD, MI, NJ, NC, PA, TN, WV, and WY.
- Make an initial deposit of $10 or more.
- Receive a 20% deposit match, up to $1,500 in bonus funds.
- Complete a 10x rollover requirement before withdrawing any winnings.
This promo is perfect for bettors who want to diversify their wagers, allowing you to spread your bets across multiple games, props, and parlays throughout the NCAAB season and March Madness tournament.
For example, if you deposit $1,000, you receive $200 in bonus funds, giving you more flexibility when betting on conference tournament matchups or first-round NCAAB Tournament games.
If you’d rather place a larger first wager with extra security, the t promo provides up to $1,500 back in bonus bets if your initial bet doesn’t hit.
How to Claim the First Bet Offer:
- Register with BetMGM bonus code TOPACTION in AZ, CO, DC, IA, IL, IN, LA, KS, KY, MA, MD, MI, NC, NJ, OH, PA, TN, VA, WV, and WY.
- Deposit a minimum of $10 into your account.
- Place your first bet on any college basketball market with odds of -500 or longer.
- If your bet wins, collect your full payout in cash.
- If your bet loses, receive up to $1,500 in bonus bets, distributed in five equal portions.
This promo is ideal for bettors who want to take a swing on a high-stakes wager, such as picking an underdog to pull off a major upset or betting on a team to win its conference tournament.
Let's say you wager $500 on Gonzaga to cover the spread against Saint Mary's and they don’t, BetMGM refunds your stake in bonus bets, giving you another shot at profitable plays.
3. Caesars Sportsbook
- Caesars Sportsbook Promo Code ACTION4DYW: Bet $1+, Get 10 100% Profit Boost Tokens
- Caesars Sportsbook States:AZ, CO, DC, IA, IL, IN, KS, KY, LA, MA, MD, ME, MI, NC, NJ, NY, OH, ON, PA, TN, VA, WV, WY
New users who register with Caesars Sportsbook promo code ACTION4DYW unlock one of the best college basketball betting promos by receiving 10 Profit Boost Tokens when they place their first bet. These tokens can be applied to a wide variety of college basketball wagers, increasing your payout on winning bets. This is an excellent way to enhance your earnings while still maintaining the security of your initial wager.
The Profit Boost Tokens are designed to help bettors maximize the value of their wagers, allowing them to double their potential profit without taking on additional risk. Whether you're betting on moneylines, spreads, or player props, this promotion lets you take your betting strategy to the next level.
This promotion is available to new users in multiple states, including AZ, CO, DC, IA, IL, IN, KS, KY, LA, MA, MD, ME, MI, NC, NJ, NY, OH, PA, TN, VA, WV, and WY. No matter where you are, if you're placing college basketball bets, this promotion can help you get more out of every wager.
How to Claim Your Profit Boost Tokens
To get started with this offer, all you need to do is sign up with Caesars Sportsbook promo code ACTION4DYW and follow these simple steps:
- Register: Create an account with Caesars Sportsbook and deposit a minimum of $10.
- Place Your First Bet: Wager at least $1 on any eligible college basketball market.
- Activate Your Profit Boost Tokens: Once your first bet is settled, you receive 10 Profit Boost Tokens in your account.
- Apply Your Tokens: Use the tokens to enhance your potential payouts on your college basketball bets, including moneylines, spreads, or player props.
4. Fanatics Sportsbook
- Fanatics Sportsbook Promo: Claim Here
- Bet and Get Up to $1,000 in No Sweat Bets
- Sign Up and Get a 300 % Profit Boost Token
- Bet $30, Get $300 in Bonus Bets
- Fanatics Sportsbook States: AZ, CO, CT, DC, IA, IL, IN, KS, KY, LA, MA, MD, MI, NC, NJ, NY, OH, PA, TN, VA, VT, WV, WY
Fanatics Sportsbook is offering some of the best March Madness betting promos for new users. Whether you want guaranteed bonus bets or a No Sweat Bet safety net, these promotions help boost your bankroll for the biggest games of the season.
Fanatics Sportsbook provides four distinct Fanatics Sportsbook promo offers, giving new users the flexibility to choose the best offer for their betting style. Take a look at the available promotions and find out which one applies in your state:
Bettors in Arizona, Michigan, New Jersey, and Pennsylvania can claim the Fanatics Sportsbook Bet $30, Get $300 promotion, which delivers bonus bets over three days.
- Place a $10+ wager on any eligible market (-500 odds or longer) for three consecutive days.
- Receive $100 in bonus bets each day, regardless of the outcome.
- Enjoy a total of $300 in bonus bets, giving you extra opportunities to wager across NCAAB matchups.
Fanatics Sportsbook also offers $1,000 in No Sweat Bets across 10 days. This offer is available in AZ, CO, CT, DC, IA, IL, IN, KS, KY, LA, MA, MD, MI, NC, NJ, OH, PA, TN, VA, VT, WV, and WY.
- Place a No Sweat Bet of up to $100 per day.
- If your wager doesn’t win, Fanatics Sportsbook refunds the amount in bonus bets.
- Available for college basketball and other sports, giving you flexibility in how you bet.
Fanatics Sportsbook has a state-exclusive offers for New York.
- New York: Sign Up and Get a 300 % Profit Boost Token – A 300 % Profit Boost Token is awarded for your first bet, which has to be a minimum of $50.
Alternative March Madness Betting Promos
For college basketball fans in states where traditional sports betting isn’t yet legal, there are still exciting ways to get involved in the action. Alternative platforms like Daily Fantasy Sports (DFS) apps and social sportsbooks provide unique opportunities to wager on player performances or use virtual currency-based betting instead of standard moneylines, spreads, and totals.
If you’re unable to access traditional March Madness betting promos, here are two of the best alternative platforms to elevate your bankroll this season.
1. Underdog Fantasy (DFS)
- Underdog Fantasy Promo Code: TOPACTION
- Underdog Fantasy Welcome Offer: 50% Deposit Match, Up to $1,000 in Bonus Funds
- Underdog Fantasy States: AK, AL, AR, CA, DC, GA, IL, IN, KS, ME, MN, MS, NC, ND, NE, NM, NY, OK, OR, RI, SC, SD, TX, UT, VA, VT, WI, WY
Underdog Fantasy offers a DFS experience that allows users to make “Higher” or “Lower” picks on player stats like points, rebounds, and assists. By signing up with the Underdog Fantasy promo code TOPACTION, new users receive a 50% deposit match, up to $1,000 in bonus funds.
2. Fliff Social Sportsbook
- Fliff Promo Code: ACTION
- Fliff Sign-Up Bonus: Spend $50, Get $100 in Fliff Coins
- Fliff States: AK, AZ, AR, CA, CO, CT, DC, DE, FL, IL, IN, IA, KS, KY, ME, MD, MA, MI, MO, MT, NE, NH, NJ, NM, NY, NC, ND, OH, OK, OR, PA, RI, SD, TX, UT, VT, VA, WV, WI
Fliff is a social sportsbook that operates with Fliff Coins instead of real money, making it a fun and interactive way to engage with college basketball. With the Fliff promo code ACTION, new users receive $100 in Fliff Coins after spending $50.
How to Use Fliff Coins for College Basketball:
- Sign Up & Deposit: Register using the Fliff promo code ACTION and deposit at least $50.
- Make Picks: Use Fliff Coins to pick on spreads, moneylines, or player props for college basketball games.
- Redeem Rewards: Depending on state regulations, Fliff Coins can be redeemed for prizes or used for future picks.
These alternative March Madness betting promos give you another way to enjoy the college basketball season, whether you’re building DFS lineups on Underdog Fantasy or making social sportsbook picks on Fliff.