With the NCAA Tournament in full swing, get in on the action by signing up for new accounts at some of the top sportsbooks and claim March Madness betting promos. The best college basketball betting promos on this page combine for more than $6,000 in sign-up bonuses.
You can claim these March Madness betting promos at sports betting apps like bet365, BetMGM, Caesars Sportsbook, and Fanatics Sportsbook now. Check out the chart below for more information about these sign-up bonuses you can use to bet any game throughout the NCAA Tournament:
| Best NCAA Tournament Sportsbooks | March Madness Betting Promos | Sign-Up Link |
|---|---|---|
| bet365 | $1,000 First Bet Safety Net or $150 Bet-and-Get | TOPACTION |
| BetMGM | Bet $10, Get $150 in Bonus Bets if You Win | ACTIONGET |
| Caesars Sportsbook | Bet $1, Get $150 in Bonus Bets If You Win | ACTION4BG1 |
| Fanatics Sportsbook | $1,000 in No Sweat Bets or $300 Bet-and-Get | Click Here |
bet365
| bet365 Promo | States Available | bet365 Bonus Code |
|---|---|---|
| $150 Bet-and-Get | AZ, CO, IA, IL, IN, KY, LA, NC, NJ, OH, TN, VA | TOPACTION |
| $1,000 First Bet Safety Net | AZ, CO, IA, IL, IN, KY, LA, NC, NJ, OH, TN, VA | TOPACTION |
| $150 Bet-and-Get + 50 Casino Spins | PA | TOPACTION |
When you register with the bet365 bonus code TOPACTION in most states, you can choose between a $150 bet-and-get offer and a $1,000 First Bet Safety Net promo. With the bet-and-get offer, place a $5+ first bet and receive $150 in bonus bets, win or lose. Alternatively, the First Bet Safety Net provides up to $1,000 in bonus bets if your first wager loses. Both promos require a minimum deposit of $10 and a qualifying first bet at odds of -500 or longer, and any bonus you receive expires after seven days.
Create a new account with the bet365 bonus code TOPACTION in Pennsylvania for a $150 bet-and-get and 50 spins at bet365 Casino.
BetMGM
| BetMGM Promo | States Available | BetMGM Bonus Code |
|---|---|---|
| $150 Bet-and-Get | CO, MI, NJ, PA, WV | ACTIONGET |
| $1,600 Deposit Match Offer | AZ, CO, DC, IN, IA, KS, KY, MA, MD, MI, NJ, NC, PA, TN, WV, WY | TOPTAN1600 |
| $1,500 First Bet Promo | AZ, CO, DC, IA, IL, IN, LA, KS, KY, MA, MD, MI, NC, NJ, OH, PA, TN, VA, WV, WY | TOPACTION |
There are three distinct March Madness betting promos available at BetMGM today. Register now and choose between a $150 bet-and-get offer, a $1,600 deposit match, or a $1,500 first bet promo—depending on your state.
Register with the BetMGM bonus code ACTIONGET to unlock a $150 bet-and-get offer. Place your first bet of $10 or more, and if it wins, you'll receive $150 in bonus bets. This offer is available in only five states, but it still provides excellent value.
In most states, you can choose between two BetMGM promo offers. With the BetMGM bonus code TOPTAN1600, you receive a 20% deposit match of up to $1,600 in sports bonus—subject to a 10x rollover that must be met within 30 days. Alternatively, use BetMGM bonus code TOPACTION during sign-up to claim a $1,500 first bet offer. Place your initial wager, and if it loses, you'll get up to $1,500 in bonus bets to cover the loss.
Caesars Sportsbook
| Caesars Sportsbook Sign-Up Bonus | States Available | Caesars Sportsbook Promo Code |
|---|---|---|
| Bet $1, Get $150 in Bonus Bets If You Win | AZ, CO, DC, IA, IL, KY, LA, MD, ME, NY, OH, TN, VA, WY | ACTION4BG1 |
| Bet $1+, Get 10 100% Profit Boost Tokens | AZ, CO, DC, IA, IL, IN, KS, KY, LA, MA, MD, ME, MI, NC, NJ, NY, OH, ON, PA, TN, VA, WV, WY | ACTION4DYW |
There are two available March Madness betting promos available at Caesars Sportsbook.
Register with the Caesars Sportsbook promo code ACTION4BG1 to claim a $150 bet-and-get offer. Place your first bet of $5 or more, and if it wins, you'll receive $150 in bonus bets. In states where both offers are available, you can use the Caesars Sportsbook promo code ACTION4DYW instead to place a first bet of $1 or more and earn 10 100% Profit Boost Tokens.
Fanatics Sportsbook
| Fanatics Sportsbook Promo | States Available | Sign-Up Link |
|---|---|---|
| Bet and Get up to $1,000 in No Sweat Bets | AZ, CO, CT, DC, IA, IL, IN, KS, KY, LA, MA, MD, MI, NC, NJ, OH, PA, TN, VA, VT, WV, WY | Click Here |
| Bet $30, Get $300 in Bonus Bets | AZ, CO, CT, IN, LA, MA, MD, MI, NJ, PA, TN, VA, WV | Click Here |
| Sign Up and Get a 300% Profit Boost Token | NY | Click Here |
The Fanatics Sportsbook promo in most states offers up to $1,000 in No Sweat Bets spread over your first 10 days. Each day, if you opt in and place a qualifying wager at -500 odds or longer that loses, you can earn up to $100 in bonus bets. Alternatively, you can choose the $300 bet-and-get offer available over three days—each day, place a $10+ bet and receive $100 in bonus bets.
If you register in New York, you receive a state-exclusive Fanatics Sportsbook promo that yields a 300% Profit Boost Token.
Alternative to March Madness Betting Promos: Kalshi
| Kalshi Sign-Up Bonus | States Available | Kalshi Promo Code |
|---|---|---|
| Trade on Sports & Politics – Get a $10 Bonus with Our Code | AL, AK, AZ, AR, CA, CO, CT, DE, FL, GA, HI, ID, IL, IN, IA, KS, KY, LA, ME, MD, MA, MI, MN, MS, MO, MT, NE, NV, NH, NJ, NM, NY, NC, ND, OH, OK, OR, PA, RI, SC, SD, TN, TX, UT, VT, VA, WA, WV, WI, WY, DC | ACTION |
One of the best alternatives to March Madness betting promos is Kalshi, a sports trading platform that allows you to buy and sell shares of outcomes, much like a stock market. Register with the Kalshi promo code ACTION now to get a $10 bonus when you complete $100 in total trades.