March Madness is now fully underway with a massive slate on tap Thursday, March 19. Take advantage of the best March Madness betting promos now at some of the top online sportsbooks on the market, including BetMGM, Fanatics Sportsbook, and FanDuel. These sign-up offers combine for over $7,000 in bonus bets that are available exclusively to new users.
Use the top March Madness betting promos to bet on any game in the vaunted college basketball tournament today and throughout the month. Take a look at the chart below for additional information about the best sign-up offers available to claim now.
| Top NCAAB Sportsbooks | March Madness Betting Promos | Sign-Up Link |
|---|---|---|
| Fanatics Sportsbook | Bet $5, Get $200 FanCash Instantly + Profit Boost Tokens | Click Here |
| BetMGM | Get Up to $1,500 Back in Bonus Bets if Your First Bet Doesn't Win | Click Here |
| DraftKings | Bet $5, Get $200 in Bonus Bets + 100% NCAA Tournament Winner Profit Boost | Click Here |
| FanDuel | Get Up To $300 Back in Bonus Bets | Click Here |
| bet365 | Bet $10, Get $365 in Bonus Bets Win or Lose | Click Here |
| Hard Rock Bet | Get 10x 100% Profit Boost Tokens | Click Here |
| Caesars Sportsbook | Bet $1+, Double Your Winnings Your Next 10 Wagers | Click Here |
| theScore Bet | $1,000 First Bet Reset | ACTNEWS |
March Madness Betting Promos: Claim Over $7,000 in Bonus Bets for First Round Games Thursday
Let's explore the best March Madness betting promos to claim today at top sportsbooks. Remember, these offers are only up for grabs as a new user at each sports betting app, including bet365, DraftKings, and Caesars Sportsbook. Take advantage of over $7,000 in combined bonuses now.
Fanatics Sportsbook
Sign up for a new account today with the Fanatics Sportsbook promo code ACTION today to claim one of three valuable March Madness betting promos.
| Fanatics Sportsbook Promo | States Available | Fanatics Sportsbook Promo Code |
|---|---|---|
| Bet $5, Get $200 FanCash Instantly + Profit Boost Tokens | AZ, CO, CT, DC, IA, IN, KS, KY, LA, MA, MD, MI, MO, NJ, OH, PA, VA, VT, WV, WY | ACTION |
| Get Up To $1,000 Matched in FanCash | AZ, CO, CT, DC, IA, IL, IN, KS, KY, LA, MA, MD, MI, MO, NC, NJ, OH, PA, TN, VA, VT, WV, WY | ACTION |
| Bet $5, Get $400 FanCash | NC, TN | ACTION |
| Sign Up and Get a 100% Profit Boost Token For 5 Days | NY | ACTIONNY |
| Bet and Get Up to $250 in No Sweat Bets FanCash | NY | ACTIONNY |
BetMGM
Register using a BetMGM bonus code to take advantage of one of three excellent March Madness betting promos.
| BetMGM Promo | States Available | BetMGM Bonus Code |
|---|---|---|
| Bet $10, Get $150 in Bonus Bets if You Win | MI, NJ, PA, WV | ACTIONGET |
| Get Up to $1,500 Back in Bonus Bets if Your First Bet Doesn't Win | AZ, CO, DC, IA, IL, IN, LA, KS, KY, MA, MD, MI, NC, NJ, OH, PA, TN, VA, WV, WY | TOPACTION |
| Get a 20% First Deposit Match Up to $1,500 in Sports Bonus | AZ, CO, DC, IA, IN, KS, KY, MA, MD, MI, MO, NC, NJ, PA, TN, WV, WY | TOPTAN1500 |
DraftKings
Sign up with the DraftKings promo code to secure one of the best March Madness betting promos today.
| DraftKings Promo | States Available | DraftKings Promo Code |
|---|---|---|
| Bet $5, Get $200 in Bonus Bets + 100% NCAA Tournament Winner Profit Boost | AZ, CO, DC, IA, IL, IN, KS, KY, LA, MA, MD, MI, MO, NC, NJ, NY, OH, PA, TN, VA, VT, WV, WY | Click Here |
FanDuel
Register today with the FanDuel promo code and bet with one of the best March Madness betting promos.
| FanDuel Promo | States Available | FanDuel Promo Code |
|---|---|---|
| Get Up To $300 Back in Bonus Bets | AZ, CO, CT, DC, IL, IA, KS, KY, LA, MA, MD, MI, MO, NC, NJ, NY, OH, PA, TN, VT, WV, WY | Click Here |
| Bet & Get Up to $1,000 in Bonus Bets | IN, VA | Click Here |
bet365
Register with the bet365 bonus code TOPACTION to claim one of two March Madness betting promos in most states, or grab a state-exclusive offer in Illinois, New Jersey, and Pennsylvania.
| bet365 Promo | States Available | bet365 Bonus Code |
|---|---|---|
| Bet $10, Get $365 in Bonus Bets Win or Lose | AZ, CO, IA, IN, KS, KY, LA, MD, MO, NC, NJ, OH, PA, TN, VA | TOPACTION |
| Get a First Bet Safety Net up to $1,000 in Bonus Bets | AZ, CO, IA, IL, IN, KS, KY, LA, MD, MO, NC, OH, TN, VA | TOPACTION |
| Bet $10, Get $365 in Bonus Bets Win or Lose + 50 Casino Spins | NJ, PA | TOPACTION |
| Bet $5, Get $150 in Bonus Bets Win or Lose | IL | TOPACTION |
Hard Rock Bet
Use the Hard Rock Bet promo code to secure a $100 bonus to bet on any game during the First Round of March Madness.
| Hard Rock Bet Promo | States Available | Hard Rock Bet Promo Code |
|---|---|---|
| Get 10x 100% Profit Boost Tokens | MI, NJ | Click Here |
Caesars Sportsbook
When you register with the Caesars Sportsbook promo code ACTION4DYW, secure one of the most unique March Madness betting promos.
| Caesars Sportsbook Promo | States Available | Caesars Sportsbook Promo Code |
|---|---|---|
| Bet $1+, Double Your Winnings Your Next 10 Wagers | AZ, CO, DC, IA, IL, IN, KS, KY, LA, MA, MO, MD, ME, MI, NC, NJ, NY, OH, PA, TN, VA, WV, WY | ACTION4DYW |
theScore Bet
Register with theScore Bet promo code ACTNEWS today to take advantage of one of the best March Madness betting promos.
| theScore Bet Promo | States Available | theScore Bet Promo Code |
|---|---|---|
| Bet Reset Up to $1000 | AZ, CO, IA, IL, IN, KS, KY, LA, MA, MD, MO, NC, OH, TN, VA | ACTNEWS |
| Bet $10, Get $100 in Bonus Bets If You Win | MI, NJ, PA, WV | ACTNEWS |
Best Alternative to March Madness Betting Promos: Kalshi
Kalshi is a legal, innovative sports trading platform that represents one of the top alternative options to online sports betting for March Madness. Sign up with the Kalshi promo code ACTION today to make picks on any game and score a $10 bonus.
| Kalshi Referral Bonus | States Available | Kalshi Promo Code |
|---|---|---|
| Trade $10, Get $10 | AL, AK, AR, CA, CO, CT, DE, FL, GA, HI, ID, IN, IA, KS, KY, LA, ME, MN, MS, MO, NE, NH, NM, NY, NC, NV, ND, OK, OR, PA, RI, SC, SD, TN, TX, UT, VT, VA, WA, WV, WI, WY, DC | ACTION |
