The NCAA Tournament has reached the Sweet 16, which makes today an excellent day to claim the best March Madness betting promos from the top sportsbooks and online sports betting sites in the land. Sign up now with these top March Madness betting promos and score as much as $3,600 in sign-up bonuses today.
Among today's college basketball Sweet 16 games to bet on once you register with these top sportsbook promos include Ole Miss vs. Michigan State at 7:09 p.m. ET on CBS, Kentucky vs. Tennessee at 7:39 p.m. ET on TBS, Michigan vs. Auburn at 9:39 p.m. ET on CBS, and Purdue vs. Houston at 10:09 p.m. ET on TBS. Wager on tonight's March Madness Sweet 16 college basketball action now with the best March Madness betting promos featured in the chart below.
| College Basketball Sportsbooks | Best March Madness Sweet 16 Betting Promos | Sign-Up Link |
|---|---|---|
| bet365 | $150 Bet-and-Get or 1,000 First Bet Safety Net | 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 |
When you claim one of these March Madness betting promos above, also be sure to check out the full list of sportsbooks by state to make sure you get all the bonus bets you can.
Use The Best March Madness Sweet 16 Betting Promos Today
Sign up now with the best March Madness betting promos and bet on the Sweet 16 tonight. Make your Sweet 16 March Madness best bets when you create a new account with these top college basketball sportsbook apps.
bet365 March Madness Sweet 16 offer
Sign up with the bet365 bonus code TOPACTION to choose a $150 bet-and-get or $1,000 First Bet Safety Net sign-up bonus. These are two of the top March Madness betting promos, but you can only claim one of these sportsbook promos. If you're in Pennsylvania, the bet365 promo you get when you sign up is the $150 bet-and-get offer with 50 online casino spins attached.
When you redeem the $150 bet-and-get promo, place a $5+ first bet and get $150 in bonus bets when it settles, win or lose. When you choose the $1,000 First Bet Safety Net, get the stake of your first bet issued back to you as bonus bets if you lose, up to $1,000. Your first bet must have -500 or longer odds for your bet365 promo to apply.
- Click a sign-up module below to register in AZ, CO, IA, IL, IN, KY, LA, NC, NJ, OH, TN, and VA.
- Use the offer module below to sign up in PA.
Fanatics Sportsbook March Madness Sweet 16 offer
Get one of the best March Madness betting promos when you sign up with the Fanatics Sportsbook promo. One option available is to sign up with a $300 bet-and-get promo. Unlock $100 in bonus bets each of the first three days each day you make a $10+ bet. Your $100 in bonus bets unlock each day when your $10+ wager settles.
A second choice is to sign up with a No Sweat Bets promo that lasts over your first 10 days and is worth up to $1,000 in maximum value. Make a No Sweat Bet each of the first 10 days, and get your stake back in bonus bets when you lose a No Sweat Bet, up to $100. In New York, register for an exclusive bonus of a 300% Profit Boost Token. Each Fanatics Sportsbook sign-up bonus requires your first bet, No Sweat Bet, or boosted odds bet to have -500 or longer odds.
- Use the offer module below to sign up in AZ, CO, CT, IL, IN, LA, MA, MD, MI, NC, NJ, PA, OH, TN, VA, and WV.
- Click the sign-up module below to register in AZ, CO, CT, DC, IA, IL, IN, KS, KY, LA, MA, MD, MI, NC, NJ, OH, PA, TN, VA, VT, WV, and WY.
- Use the offer module below to sign up in NY.
BetMGM Sportsbook March Madness Sweet 16 offer
Get one of the March Madness betting promos available with a different BetMGM bonus code corresponding to each of their sportsbook promos. One option is to sign up with the BetMGM bonus code ACTIONGET and claim a $150 bet-and-get promo which gives you $150 in bonus bets if your $10+ first bet wins. Since your first bet must win for you to receive bonus bets, I advise a straight betting market with favorable odds rather than a parlay.
Register instead for a 20% deposit match promo with the BetMGM bonus code TOPTAN1600. This BetMGM promo matches 20% of your first cash deposit, up to $1,600 in sports bonus funds (which means you must deposit $8,000 to claim the full sign-up bonus). Your final option is to register with a first bet on the house, up to $1,500, with the BetMGM bonus code TOPACTION. If your first bet loses, your stake is issued back in bonus bets, 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 March Madness Sweet 16 offer
The last of the March Madness betting promos is the Caesars Sportsbook promo code ACTION4DYW. Sign up and place a $1+ first bet on any March March betting market and unlock 10 100% Profit Boost Tokens to double your potential winnings when you use one.
Your Profit Boost Tokens have 14 days to be used before they expire. Additionally, there are limits of a $25 stake per boosted bet, and $2,500 in winnings per boosted bet to keep in mind.
- Click the sign-up module below to register 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.
Try These Legal Alternatives to March Madness Sweet 16 Betting Promos
Kalshi
The first legal alternative to March Madness betting promos is Kalshi. Use the offer module below to register with the Kalshi promo code ACTION. A $10 bonus is you sign-up bonus, but you must make $100 in trades to unlock it. Purchase shares in March Madness markets to make trades. Markets to make predictions on include who will win the NCAA Tournament and who will advance to the next round. Make trades on sports, politics, pop culture, and more with Kalshi.
- Use the sign-up module below to register in all 50 states and Washington D.C.
Sleeper Fantasy
Sign up with the Sleeper Fantasy promo code ACTION to make player pick 'em entries on one of the best daily fantasy sports apps. Your sign-up promo is a $55 bonus (11 free entries worth $5 apiece) which unlock when you place a $5+ first entry of your own. Predict if players end up with more or less than their projected statistics to create an entry.
- Click the offer module below to sign up in AK, AR, CA, CO, FL, GA, KS, KY, MA, MN, NE, NM, NC, ND, OK, OR, RI, SC, SD, TX, UT, VT, WI, WY, and DC.