Claim the best March Madness betting promos now to get $6,000 in bonus bets for the NCAA Tournament today. Sign up with the top online sportsbooks in the industry and bet on March Madness odds using the March Madness betting promos featured on this page. A total of 16 games are on tap Thursday, starting with Creighton vs. Louisville at 12:15 p.m. ET (Creighton is out to a big halftime lead) and ending with UNCW vs. Texas Tech at 10:10 p.m. ET.
Here is a look at the top March Madness betting promos available today when you sign up for new sportsbook account now:
| 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 |
Claim Best March Madness Betting Promos for NCAA Tournament First Round Games Today
In total, the top March Madness betting promos discussed on this page combine for more than $6,000 in bonuses. Register now and take advantage of one offer at each sportsbook below by clicking on the corresponding links and sign-up modules.
bet365
| bet365 Promo | States Available | bet365 Bonus Code |
|---|---|---|
| $1,000 First Bet Safety Net | AZ, CO, IA, IL, IN, KY, LA, NC, NJ, OH, TN, VA | TOPACTION |
| Bet $5, Get $150 in Bonus Bets | AZ, CO, IA, IN, KY, LA, NC, NJ, OH, VA | TOPACTION |
| $200 Combined Bet & Get Offer | IL | TOPACTION |
| $200 Combined Bet & Get Bonus | TN | TOPACTION |
| $150 Bet & Get + 50 Spins | PA | TOPACTION |
Register with the bet365 bonus code TOPACTION to claim one of five March Madness betting promos available, depending on your state.
In most states, you receive a choice between a $1,000 First Bet Safety Net and a $150 bet-and-get offer. New users in Illinois receive a choice between these two promos with an additional $50 bonus if one or more points are scored in March Madness games on Thursday, March 20. Tennessee sign-ups get a $50 bonus if Tennessee wins their First Round matchup. When you register with the bet365 bonus code TOPACTION in Pennsylvania, you receive the $150 bet-and-get and 50 casino spins.
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 |
Register now with a BetMGM bonus code and choose one of three March Madness betting promos. The BetMGM bonus code ACTIONGET supplies a $150 bet-and-get offer where you must place a $10+ initial wager in exchange for $150 in bonus bets if you win.
Use the BetMGM bonus code TOPTAN1600 for a 20% deposit match of up to $1,600 in sports bonus. This promo has a 10x rollover requirement that you have 30 days to meet before you can withdraw.
Your other option is to apply the BetMGM bonus code TOPACTION for a $1,500 first bet promo. Register now and place your first bet. If it loses, get back up to $1,500 in bonus bets to cover the loss. If it wins, simply claim the profit and your stake is credited back to your account.
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 |
Two of the best March Madness betting promos are available at Caesars Sportsbook today. Register with the Caesars Sportsbook promo code ACTION4BG1 and place your first bet for $1 or more. If it wins, claim $150 in bonus bets. Your other option is to use Caesars Sportsbook promo code ACTION4DYW to get 10 100% Profit Boost Tokens when you place a $1+ first bet.
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 |
Sign up now and claim a Fanatics Sportsbook promo to bet on college basketball in the First Round of March Madness. In most states, get a choice between a $1,000 No Sweat Bets offer and a $300 bet-and-get. In New York, register and get a 300% Profit Boost Token.
The No Sweat Bets offer yields up to $1,000 in No Sweat Bets across 10 days. Opt-in daily and place a qualifying wager at -500 odds or longer each day, and if you lose, get up to $100 in bonus bets to cover the loss. The bet-and-get offer is evenly spread across three days with individual bet $10, get $100 in bonus bets offers.
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 |
Kalshi represents an excellent alternative if online sports betting is not legal in your state yet. Register now with the Kalshi promo code ACTION to secure a $10 bonus once you make $100 in total trades.