Best March Madness Betting Promos (2025): Claim Over $3K in Bonuses

March Madness is right around the corner, and that means the bets will be rolling in. Wager on who will pull off the big opening-round upset, which teams will make it to the Final Four, and who will win it all. Just make sure that you go into the process knowing how you can win big with the right sportsbook promotions.

Best March Madness Sportsbook Promos and Bonuses

March Madness is, without a doubt, one of the biggest sports betting events of the year. What that means for bettors is being presented tremendous offers related to the tournament from the best sportsbooks around.

Bettors can check out offers from top sportsbooks like FanDuel, Fanatics, and BetMGM, featuring odds boosts, bet insurance, welcome bonuses, and other special offers throughout tournament play. It is a fantastic way to start off on the right foot and give yourself a boost right from the jump.

FanDuel March Madness Promo: Bet $5, Win $150 in Bonus Bets

FanDuel is one of the top sportsbooks in the world, and for good reason. Right now, new users to FanDuel can sign up and place a first wager of $5. If that wager turns out to be successful, you will net $150 in bonus bets to use as you please.

Sign up at FanDuel Sportsbook to start. All users must be at least 21 years old to participate. A minimum deposit of $10 is required, and your first bet of $5 or more must be successful in order to claim the bonus bets. Get started with FanDuel Sportsbook and kick off the biggest tournament of the year in style.

BetMGM March Madness Promo: Win $200 in Free Bets

There is nothing quite like getting bonus bets. BetMGM is making it easy to win when you sign up for the latest March Madness promo. Users 21 years of age and older can claim this offer in no time by signing up and making a minimum deposit of $10.

All that’s left to do is place a first bet of $10 or more. Whether that bet is a winner or a loser, you get $200 in bonus bets on the house. Wager on the first round of the NCAA Tournament and beyond with your bonus wagers, thanks to a sweet offer from BetMGM Sportsbook.

Fanatics March Madness Promo: Get Up to $1,000 in Bonuses

Your first bet is a critical one, especially during March Madness. Why not give yourself a little bit of reassurance by signing up for the Fanatics Sportsbook March Madness promo? Sign up today, make a deposit, and get ready to place your first wager.

If you pick a winner, you are golden. Should your pick turn out to be a loser, however, you are still covered. You will get your wager back in the form of bonus bets to give it another try, up to $1,000. Why leave yourself open for disappointment when you can take another shot at March glory with Fanatics Sportsbook instead?

States Where March Madness Betting is Legal

Before you can sign up for one of these fantastic offers, you need to be located in one of the states that allow online sports betting. Here is the current list of states that legally offer online sports betting:

• Arizona ✅
• Colorado ✅
• Connecticut ✅
• Illinois ✅
• Indiana ✅
• Iowa ✅
• Kansas ✅
• Louisiana ✅
• Maryland ✅
• Massachusetts ✅
• Michigan ✅
• Mississippi ✅
• New Jersey ✅
• New York ✅
• Nevada ✅
• North Carolina ✅
• Ohio ✅
• Oregon ✅
• Pennsylvania ✅
• Rhode Island ✅
• Tennessee ✅
• Virginia ✅
• West Virginia ✅
• Wyoming ✅

Users in any of these states must be at least 21 years old to sign up. Legal wagers must be placed within state lines to count. As always, be sure to be responsible and utilize exclusionary tools if you feel like things are getting out of hand.