Best March Madness betting promos: Get up to $3,850 in bonus funds for college basketball tournament

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College basketball fever is in the air, which makes now the perfect time to sign up with the best March Madness betting promos. There are thousands in sports betting promos up for grabs today to take advantage of to bet on March Madness.

Sign up with the best sports betting apps in the U.S. by clicking on any of the offer modules directly below. To see what other state-specific betting promos are available (such as promos available from the bet365 launch in Tennessee and Illinois), keep reading.

No matter where you’re online sports betting from, you won’t want to pass up the chance to redeem the March Madness betting promos below ahead of the NCAA Tournament tipping off.

Best March Madness college basketball betting promos

Sign up with the college basketball March Madness betting promos below to claim thousands in bonus funds. Check out CBB odds for March Madness and bet on one of the most exciting sporting events of the year.

bet365

Click here to sign up with the bet365 bonus code RGNEWS to choose either a $1,000 First Bet Safety Net, or $150 bet-and-get promo. These respective March Madness betting promos insure your first bet, up to $1,000, or give you $150 in bonus bets when your $5+ first bet settles, win or lose. In PA, click here to get $150 in bonus bets and 50 online casino spins when your $5+ first bet settles, win or lose.

Register with the exclusive $150 bet-and-get promo bet365 Illinois promo and bet $50 on a bet365 Super Boost for one or more point to be scored in the Louisville vs. Creighton March Madness game Thursday to profit another $50. Sign up with the exclusive bet365 Tennessee promo to claim the $150 bet-and-get offer. You also potentially profit $50 more when you bet $50 on a bet365 Super Boost of Tennessee winning their round one March Madness game.

BetMGM

The only of the March Madness betting promos on this list that’s a deposit match is the BetMGM bonus code RGNEWS1600. Get 20% of your first deposit matched in sports bonus funds, up to $1,600. Satisfy a 10× wagering requirement within 30 days to withdraw your winnings when you register with this BetMGM promo.

The largest first bet offer of these college basketball March Madness betting promos is available with the BetMGM bonus code RGTOP. Sign up with this BetMGM bonus code today and get your first bet’s stake back in bonus bets if you lose, up to $1,500. Get five bonus bets back equal to 20% of your stake if your first bet loses and is $50+, or one bonus bet back equal to you stake if your first bet loses and is less than $50.

Finally, click here to sign up with the BetMGM bonus code RGNEWSGET and bet $10 on March Madness and net $150 in bonus bets if your first bet wins. To make sure your $1+ first bet wins, a March Madness bet to consider is a moneyline bet on a No. 1 seed like the Duke Blue Devils or Auburn Tigers, who are the two odds-on favorites to win March Madness and face No. 16 seeds in round one.

Caesars Sportsbook

Get $150 in bonus bets when you sign up with the Caesars Sportsbook promo code RGTOPBG1 and win your $1+ first bet. Since you must win your first bet to get $150 in bonus bets, I advise you to play it safe with a wager on one of the heavy favorites like Duke or Auburn.

Another one of the March Madness betting promos to consider instead is the Caesars Sportsbook promo code RGTOPDYW. Sign up with this Caesars Sportsbook promo code and unlock 10 100% Profit Boost Tokens when you submit your $1+ first bet. Your Profit Boost Tokens double your potential winnings and expire after 14 days.

Fanatics Sportsbook

In select states, one of the best March Madness betting promos is a $300 bet-and-get promo when you click here to sign up with the Fanatics Sportsbook promo. Wager $10 with -500 or longer odds on March Madness to score $100 in bonus bets. Repeat this process each of the next two days to get $200 more in bonus bets.

Use this link instead to register with the Fanatics Sportsbook promo of up to $1,000 in No Sweat Bets. Opt-into your No Swear Bet promo in your bet slip and wager on March Madness today to get your stake back in bonus bets if you lose, up to $100. Repeat this process each of your next nine days to make up to $1,000 in No Sweat Bets.

In New York exclusively, click this link to sign up with one of the best college basketball betting promos in the state. Simply create your Fanatics Sportsbook account and score a 300% Profit Boost Token, which increases your potential winnings on a bet exponentially.

College basketball March Madness betting promos: Try these alternative options today

Perhaps the March Madness betting promos above aren’t available in your state. Or maybe you’ve already signed up with those college basketball betting promos and seek another option. If that’s the case, below are a couple of legal alternative options from the best daily fantasy sports sites and social sportsbooks. Give these products a try to make predictions on March Madness and claim more sign-up bonuses now.

PrizePicks

Click here to sign up with the PrizePicks promo code ROTOBONUS and play on one of the best daily fantasy sports apps. Make your first lineup of March Madness player picks to unlock $50 in instant bonus cash, no strings attached. Use bonus cash to pay for your entry fee on more player pick ‘em lineups, which consist of predicting if players end up with “More” or “Less” than their projected statistics.

Fliff Social Sportsbook

Use this link to register with the Fliff promo code GRINDERS and bet on one of the best social sportsbooks in the country. Spend $50 on Fliff by purchasing Fliff Coins, which are an in-game currency you use to bet on March Madness. Once you spend $50 on Fliff Social Sportsbook, you get $100 in Fliff Coins. Bet on similar March Madness betting markets as the sportsbooks atop this list, but wager Fliff Coins instead of real cash.

Kalshi

The final option to sign up with today is Kalshi. Use this link to register with the Kalshi promo code GRINDERS and work towards a $10 bonus. To get this bonus, make $100 in trades on March Madness or other Kalshi markets. To make a trade, purchase a share in a prediction, like who will win March Madness this year. Once you make $100 in trades, you get a $10 bonus to use on Kalshi.

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About the Author

NickGoodling
Nick Goodling (NickGoodling)

Nick Goodling is a Content Writer for Better Collective U.S. He previously wrote about the NFL and crafted article ideas for fellow writers for Sportskeeda.com during the 2021 season through the 2022 draft. He provides betting advice on the NFL, NBA and NASCAR, while also writing about a wide array of sportsbooks.