Claim as much as $3,600 in March Madness betting promos to bet on college basketball Sweet 16 action. Wager on marquee games today like Arizona vs. Duke (9:39 p.m. ET on CBS) and Arkansas vs. Texas Tech (10:09 p.m. ET on TBS) with the best sportsbook promos from the best sportsbooks and online sports betting sites such as bet365 and BetMGM.
The Sweet 16 betting trends suggests tightly contested games are incoming, which makes it an exciting time to sign up with the topMarch Madness betting promos in the industry. Use the links in the table below to net your sign-up bonuses and bet on March Madness now.
| March Madness Sportsbooks | March Madness Betting Promos | Sign-Up Link |
|---|---|---|
| bet365 | $1,000 First Bet Safety Net or $150 Bet-and-Get | TOPACTION |
| Fanatics Sportsbook | $300 Bet-and-Get Promo or $1,000 in No Sweat Bets | Click Here |
| BetMGM | Bet $10, Get $150 in Bonus Bets if You Win | ACTIONGET |
| Caesars Sportsbook | Bet $1, Get 10 100% Profit Boost Tokens | ACTION4DYW |
Sign Up With The Best March Madness College Basketball Betting Promos
bet365
Redeem one of two March Madness betting promos offered with the bet365 bonus code TOPACTION. Click here and unlock either a $1,000 First Bet Safety Net, or $150 bet-and-get promo. The $1,000 First Bet Safety Net insures your first bet, which means the stake of your first bet is returned in bonus bets if you lose, up to $1,000.
Wait for your $5+ first bet to settle with the $150 bet-and-get offer to unlock $150 in bonus bets, win or lose. In Pennsylvania, click this link and receive 50 online casino spins to go along with your $150 in bonus bets when your $5+ first March Madness bet settles. Make sure your first bet has -500 or longer odds to qualify.
- Use one of the sign-up modules below to register in AZ, CO, IA, IL, IN, KY, LA, NC, NJ, OH, TN, and VA.
- Click the offer module below to sign up in PA.
Fanatics Sportsbook
There are three Fanatics Sportsbook promo options available depending on you state, but each is one of the best March Madness betting promos. Click here to claim a $300 bet-and-get promo over your first three days. Make $10 in wagers each of your first three days to unlock $100 in bonus bets each day. When three days are up, you have $300 in bonus bets.
Another of the top sportsbook promos for March Madness offered by Fanatics Sportsbook is $1,000 in No Sweat Bets. Click this link and make a No Sweat Bet each of you first 10 total days. Each day your No Sweat Bet loses, your stake is returned in bonus bets, up to $100. Make as much as $1,000 in No Sweat Bets when your first 10 days have passed. In New York, click here and get a 300% Profit Boost Token when you sign up to use on March Madness. You must have -500 or longer odds on your wager to qualify for each Fanatics Sportsbook sign-up bonus.
- Click the sign-up module below in AZ, CO, CT, IL, IN, LA, MA, MD, MI, NC, NJ, PA, OH, TN, VA, and WV.
- Use the offer module below in AZ, CO, CT, DC, IA, IL, IN, KS, KY, LA, MA, MD, MI, NC, NJ, OH, PA, TN, VA, VT, WV, and WY.
- Click the offer module below in NY.
BetMGM
Choose from three March Madness betting promos when you sign up with a BetMGM bonus code. Click here and pocket $150 in bonus bets if your $10+ first bet results in a win. I advise you bet on a straight betting market rather than a parlay to increase your chances of winning $150 in bonus bets.
Use this link to register with the BetMGM bonus code TOPTAN1600 and get 20% of your first deposit matched in sports bonus funds, up to $1,600. To unlock the full $1,600 bonus, you must deposit $8,000 in cash. The last of the sportsbook promos offered a first bet on the house, up to $1,500. Click here to sign up with the BetMGM bonus code TOPACTION and get your first bet's stake back in bonus bets if you lose, up to $1,500.
- Click the offer module below to sign up in CO, MI, NJ, PA, and WV.
- Use the offer module below to register in AZ, CO, DC, IN, IA, KS, KY, MA, MD, MI, NJ, NC, PA, TN, WV, and WY.
- Use the offer module below to sign up in AZ, CO, DC, IA, IL, IN, LA, KS, KY, MA, MD, MI, NC, NJ, OH, PA, TN, VA, WV, and WY.
Caesars Sportsbook
Of the March Madness betting promos mentioned so far, none are quite like what's available when you sign up with the Caesars Sportsbook promo code ACTION4DYW. Click this link to register and place a $1+ first bet to instantly unlock your bonus of 10 100% Profit Boost Tokens. These tokens double your potential winnings when you apply one to a wager.
There are a couple of limits to keep in mind when you use a Profit Boost Token. The most you can wager on a boosted bet is $25, and the most you can win on a boosted bet is $2,500. Otherwise, just make sure you use these Profit Boost Tokens before they expire in 14 days.
- Use the offer module below in AZ, CO, DC, IA, IL, IN, KS, KY, LA, MA, MD, ME, MI, NC, NJ, NY, OH, ON, PA, TN, VA, WV, and WY.
Use These Alternatives to March Madness Betting Promos
Kalshi
A unique alternative to March Madness betting promos is Kalshi. Click the sign-up module below to sign up with the Kalshi promo code ACTION and unlock a $10 bonus when you make $100 in trades. To make trades, make predictions on March Madness by purchasing shares in Kalshi markets. Kalshi is a trading app with markets on sports, pop culture, politics, and more.
- Click the offer module below to sign up in all 50 states and Washington D.C.
PrizePicks
Play on one of the best daily fantasy sports apps when you click here to sign up with the PrizePicks promo code ACTIONMAX. Place a $5+ first March Madness pick 'em lineup to unlock $50 in instant bonus cash, no strings attached. To make a player pick 'em lineup, predict if players end up with "More" or "Less" than their projected statistics, and win money if your predictions are right.
- Use the sign-up module below to register in AL, AZ, IL, KS, VA, WY, DC, DE, MA, AK, AR, CA, GA, KY, MN, MO, MS, NE, NM, NC, ND, OK, OR, RI, SC, SD, TN, TX, UT, VT, WI, WV, and WY.