Capitalize on the best March Madness betting promos and wager on this week's NCAA Tournament college basketball games now. Benefit from top sportsbook promos and claim up to $4,000 in bonus value from leading NCAAB sports betting apps, including bet365, BetMGM, Caesars Sportsbook, and Fanatics Sportsbook.
With a break in the NCAA Tournament action, use this opportunity to make NCAAB futures bets when you sign up with these top March Madness betting promos.
With Sweet 16 starting Thursday, sign up now using the best March Madness betting promos to secure bonus bets and start betting on college basketball today.
| Top NCAAB Betting Apps | March Madness Betting Promos | Sign-Up Link |
|---|---|---|
| bet365 | $150 Bet-and-Get or $1,000 First Bet Safety Net | TOPACTION |
| Caesars Sportsbook | Bet $1, Get 10 100% Profit Boost Tokens | ACTION4DYW |
| BetMGM | Bet $10, Get $150 in Bonus Bets if You Win | ACTIONGET |
| Fanatics Sportsbook | $300 Bet-and-Get Promo or $1,000 in No Sweat Bets | Activate Now |
Best March Madness Betting Promos: Claim These Sportsbook Promos and Bet on NCAA Tournament Today
Use the March Madness betting promos highlighted below to register new online sportsbook accounts and bet on the March Madness NCAA Tournament this week:
1. bet365
- bet365 Bonus Code: TOPACTION
- bet365 Promo: $1,000 First Bet Safety Net or Bet $5, Get $150 in Bonus Bets, Win or Lose
- bet365 PA Promo: Bet $5, Get $150 in Bonus Bets + 50 Casino Spins, Win or Lose
- bet365 States Available: AZ, CO, IA, IL, IN, KY, LA, NC, NJ, OH, PA, TN, VA
Sign up using the bet365 bonus code TOPACTION and choose between two welcome offers: a $1,000 First Bet Safety Net or a $150 bet-and-get promo. With these March Madness betting promos, your first bet must be on a market with odds of -500 or longer.
Choose the First Bet Safety Net promo and place your first bet on any game. If your bet doesn't win, you get your stake back in bonus bets, up to $1,000. For example, if you place a $1,000 first bet on Duke -9 (-115), you get a $1,869.57 payout if it wins, or $1,000 in bonus bets if it loses.
Make a $5 first bet to unlock $150 in bonus bets, win or lose, with the bet-and-get promo. You can also now claim this welcome bonus in bet365 Illinois and bet365 Tennessee following the recent launch of bet365 Sportsbook in those legal sports betting states. In Pennsylvania, the $150 bet-and-get promo also includes 50 spins for bet365 Casino slots.
2. Caesars Sportsbook
- Caesars Sportsbook Promo Code: ACTION4DYW
- Caesars Sportsbook Welcome Bonus: Bet $1, Get 10 100% Profit Boost Tokens
- Caesars Sportsbook States Available: AZ, CO, DC, IA, IL, IN, KS, KY, LA, MA, MD, ME, MI, NC, NJ, NY, OH, ON, PA, TN, VA, WV, WY
Use the Caesars Sportsbook promo code ACTION4DYW and make a $1 first bet to instantly unlock 10 100% Profit Boost Tokens. This offer is one of the top March Madness betting promos due to its instant bonus opportunity.
You can use these Profit Boost Tokens on any game or market, but they expire after 14 days. Each token allows you to wager up to $25, which doubles your profit on a winning bet.
Check out the latest NCAAB odds before using one of the top sportsbook promos today.
3. BetMGM
- BetMGM Bonus Code: ACTIONGET
- BetMGM Promo: Bet $10, Get $150 in Bonus Bets if You Win
- BetMGM Bonus Code: TOPTAN1600
- BetMGM Promo: 20% First Deposit Match, Up to $1,600 in Sports Bonus
- BetMGM Bonus Code: TOPACTION
- BetMGM Promo: $1,500 First Bet Offer
- BetMGM States Available: AZ, CO, DC, IA, IL, IN, LA, KS, KY, MA, MD, MI, NC, NJ, OH, PA, TN, VA, WV, WY
BetMGM offers the largest bonus value among the March Madness betting promos. Sign up now and use the BetMGM bonus code to claim up to $1,600 in bonus value.
The BetMGM bonus code ACTIONGET offers a $150 bet-and-get promo. With this BetMGM promo, you must win a $10 first bet to unlock $150 in bonus bets. If you don't win, you cannot access the bonus bets. Use this sign-up offer in CO, MI, NJ, PA, and WV.
Use the BetMGM bonus code TOPTAN1600 and make your first deposit. BetMGM matches 20% of your deposit in sports bonus funds, up to $1,600. The only way to obtain the full $1,600 bonus is with a deposit of $8,000 or more. Access this welcome bonus in AZ, CO, DC, IN, IA, KS, KY, MA, MD, MI, NJ, NC, PA, TN, WV, and WY.
Use the BetMGM bonus code TOPACTION for a $1,500 first bet offer. If your first bet doesn't win, BetMGM reimburses you in bonus bets, up to $1,500, split into five equal bet credits. Bettors in the following states can access this BetMGM promo: AZ, CO, DC, IA, IL, IN, LA, KS, KY, MA, MD, MI, NC, NJ, OH, PA, TN, VA, WV, and WY.
4. Fanatics Sportsbook
- Fanatics Sportsbook Promo: Activate Now
- Fanatics Sportsbook Bet-and-Get Promo: Bet $30, Get $300 in Bonus Bets
- Fanatics Sportsbook Sign-Up Bonus: $1,000 in No Sweat Bets
- Fanatics Sportsbook NY Sign-Up Bonus: 300% Profit Boost Token
- Fanatics Sportsbook States Available: AZ, CO, CT, DC, IA, IN, KS, KY, LA, MA, MD, MI, NJ, OH, PA, TN, VA, VT, WV, WY
With the Fanatics Sportsbook promo, you can choose your own offer and bet on the Sweet 16. Use one of the top March Madness betting promos to unlock a sign-up offer.
Use the Fanatics Sportsbook promo to claim a $300 bet-and-get offer in the following states: AZ, CO, CT, IL, IN, LA, MA, MD, MI, NC, NJ, OH, PA, TN, VA, and WV. Place a $10 daily wager on a market with odds of -500 or longer; you receive $100 in bonus bets, win or lose. Complete this for three consecutive days to unlock $300 in bonus bets.
Moreover, Fanatics Sportsbook offers up to $1,000 in No Sweat Bets across 10 days in AZ, CO, CT, DC, IA, IL, IN, KS, KY, LA, MA, MD, MI, NC, NJ, OH, PA, TN, VA, VT, WV, and WY. Get a daily No Sweat Bet, up to $100, for 10 straight days. If your bet loses, Fanatics Sportsbook refunds you in bonus bets, up to $100.
In New York, the Fanatics Sportsbook promo provides a 300% Profit Boost Token. Sign up today and wager up to $50 on any sporting event.
Top Alternative to the Best March Madness College Basketball Betting Promos
1. Kalshi Predictive Market
- Kalshi Promo Code: ACTION
- Kalshi Sign-Up Offer: Make $100 in Trades, Get $10 Sign-Up Bonus
- Kalshi States Available: All 50 States + Washington D.C.
The Kalshi promo code ACTION offers a $10 sign-up bonus. Check out the Kalshi Predictive Market and make $100 in trades to unlock the $10 bonus.
2. PrizePicks (DFS)
- PrizePicks Promo Code: ACTIONMAX
- PrizePicks Referral Bonus: Place $5 Lineup, Get $50 Instantly in Bonus Funds
- PrizePicks States Available: AK, AL, AR, AZ, CA, DC, DE, GA, IL, KS, KY, MA, MN, MO, MS, NC, ND, NE, NM, OK, OR, RI, SC, SD, TN, TX, UT, VA, VT, WI, WV, WY
Use the PrizePicks promo code ACTIONMAX and submit a $5 lineup to get $50 instantly in bonus funds. Create your lineup using players from any college basketball game today.