Look no further for the best sportsbook promos to bet on March Madness now. Find all the top sports betting promos on the market today featured on our list of the best Final Four March Madness betting promos. Sign up at these top sportsbooks to net up to $3,600 in bonus funds.
Among the best sportsbook promos gathered here are sign-up offers from bet365, Fanatics Sportsbook, BetMGM, and more. Click on any of the sign-up modules below to register with the top Final Four sportsbook promos and bet on college basketball odds today.
Unlock $3,600 With The Best Sportsbook Promos for the Final Four Today
Use the table below to redeem the best sportsbook promos for the March Madness Final Four and claim your sign-up bonuses now.
| Best March Madness Sportsbooks | Best Sportsbook Promos for the Final Four | Sign-Up Link |
|---|---|---|
| bet365 | $1,000 First Bet Safety Net or $150 Bet-and-Get | TOPACTION |
| Fanatics Sportsbook | Bet $30, Get $300 in Bonus Bets or $1,000 in No Sweat Bets | CLICK HERE |
| BetMGM | $150 Bet-And-Get or Exclusive $1,600 Deposit Match | ACTIONGET |
| Caesars Sportsbook | 10 100% Profit Boost Tokens | ACTION4DYW |
Best Final Four March Madness Sportsbook Promos
All the best sportsbook promos below are excellent March Madness betting promos to use today. When you sign up now, up to $3,600 in bonus bets are available, depending on which of the legal online sports betting states you're in. Use these Final Four March Madness sportsbook promos to bet on the Florida Gators, Duke Blue Devils, Houston Cougars, and Auburn Tigers now that they've qualified for the first all No. 1-seed Final Four since 2008.
bet365 March Madness Final Four Offer
Sign up with the bet365 bonus code TOPACTION with this link to bet on March Madness Final Four with one of the best sportsbook promos around. Register with the bet365 bonus codeTOPACTION and choose a $1,000 First Bet Safety Net or $150 bet-and-get offer as your bet365 promo, and make a first bet with -500 or longer odds.
With the First Bet Safety Net, you get the amount of your first bet returned in bonus bets if you lose, up to $1,000. With the $150 bet-and-get promo, settle your $5+ first bet and unlock $150 in bonus bets, win or lose.
In PA, click here to sign up for your bet365 sign-up bonus and get 50 casino spins in addition to $150 in bonus bets when your $5+ first bet settles.
- Use the offer module below to sign up in AZ, CO, IA, IL, IN, KY, LA, NC, NJ, OH, TN, or VA.
- Click the sign-up module below to register in PA.
Fanatics Sportsbook Final Four March Madness Offer
Another one of the best sportsbook promos to redeem is available when you click here to register with the Fanatics Sportsbook promo. Make a $10 bet on the March Madness Final Four at -500 or longer odds and unlock $100 in bonus bets. Make a $10 bet each of your next two days to unlock $200 more in bonus bets.
Claim a different Fanatics Sportsbook promo with this link. Make a No Sweat Bet with -500 or longer odds, and get your stake returned in bonus bets if you lose, up to $100. Then make a No Sweat Bet, up to $100, each of your next nine days. By the time your first 10 days pass, you can make a maximum of $1,000 in No Sweat Bets.
In New York, click here to sign up for your new Fanatics Sportsbook account and receive a 300% Profit Boost Token to exponentially increase your potential payout.
- Click the sign-up module below to register in AZ, CO, CT, IL, IN, LA, MA, MD, MI, NC, NJ, OH, PA, TN, VA, and WV.
- Click the offer module below to sign up 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 sign-up module below to register in NY.
BetMGM March Madness Final Four Offer
Choose one of the best sportsbook promos for the March Madness Final Four when you sign up with the BetMGM bonus code. One choice is the BetMGM bonus codeACTIONGET, which unlocks $150 in bonus bets when you click here and win your $10+ first bet. To make sure you don’t walk away empty handed today, I recommend a first bet on top seed like the Michigan State Spartans, who have a -345 moneyline against the New Mexico Lobos at 8:40 p.m. ET on TNT.
Click here to sign up with the BetMGM bonus code TOPTAN1600 instead, and get 20% of your first deposit matched in sports bonus funds, up to $1,600. Deposit $8,000 to get the maximum amount of sports bonus funds with this BetMGM promo.
Finally, use this link to register with the BetMGM bonus code TOPACTION and get a first bet on the house, up to $1,500. With this BetMGM promo, the amount of your first bet is returned in bonus bets if you lose, up to $1,500.
- Click the sign-up module below to register in CO, MI, NJ, PA, and WV.
- Use the offer module below to sign up in AZ, CO, DC, IN, IA, KS, KY, MA, MD, MI, NJ, NC, PA, TN, WV, and WY.
- Click the sign-up module below to register in AZ, CO, DC, IA, IL, IN, LA, KS, KY, MA, MD, MI, NC, NJ, OH, PA, TN, VA, WV, and WY.
Caesars Sportsbook Final Four March Madness Offer
Caesars Sportsbook offers one of the most unique March Madness Final Four offers amongst the best sportsbook promos. Click this link to sign up with the Caesars Sportsbook promo codeACTION4DYW and place a $1+ first bet to instantly unlock 10 100% Profit Boost Tokens. These Profit Boost Tokens double your potential winnings when applied to a bet.
The max wager you're allowed to make when you use a Profit Boost Token is $25, and the most you can win with a boosted bet is $2,500. You have 14 days to use your Profit Boost Tokens before they expire.
- Use the offer module below to sign up 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.
Alternatives to The Best Final Four March Madness Sportsbook Promos
In addition to the best sportsbook promos above, there are two other alternatives to check out if sports betting is not available in your state. Sign up with these Final Four March Madness options today.
Kalshi Final Four March Madness Offer
One of the most unique platforms to sign up with is Kalshi. Sign up with the Kalshi promo code ACTION and work towards a $10 bonus by making $100 in trades on the platform.
Kalshi works similarly to the stock market where you buy shares in something. Buy shares in sports, politics, or pop culture markets when you sign up with the Kalshi promo code ACTION and get a $10 bonus once you make $100 in trades. This includes trades on March Madness markets.
Fliff Social Sportsbook March Madness Final Four Offer
Fliff Social Sportsbook is one of the best social sportsbooks available. Click here to register with the Fliff promo code ACTION and get $100 in Fliff Coins when you spend $50 on the platform.
Fliff Coins are a currency you purchase on Fliff Social Sportsbook with real money. Wager Fliff Coins and win Fliff Coins when you wager on sports betting markets similar to that of traditional online sportsbooks. With the Fliff referral code ACTION, you get $100 in Fliff Coins to wager with once you spend $50.