Most bookmakers have exciting 2025 March Madness betting promos and bonuses, so make sure to take full advantage if you want to wager on the NCAA Tournament! The extra value can be the difference between winning and losing.
We’re here to help with a selection of betting promotions and bonuses for March Madness 2025. Let’s start with an overview of all offers, and we provide more details below.
March Madness 2025 Betting Promotions Overview
| Promo | Key Terms | Sportsbook |
|---|---|---|
| 3x Crunch Time Bonus | 100% deposit match up to $300 on next three deposits | Everygame |
| 3×125% Welcome Bonus | 125% match up to $1,250 on first three deposits | BetUS |
| Risk-Free Live Bet | $50 risk-free live wager | BetOnline |
| Risk-Free Player Prop | $50 risk-free player prop | SportsBetting.ag |
| Bracket Buster Refund | Refund up to $50 | BetOnline |
| Money Line Madness | Refund up to $50 | BetOnline |
Looking for more NCAA Tournament betting actions? Check out our March Madness betting tournament for your chance at a $50,000 jackpot!
1. Everygame’s 3x Crunch Time Bonus
Everygame offers multiple March Madness promotions this season, including a 3x Crunch Time promo. This bonus is designed for college and pro basketball fans and can be used for March Madness and the NBA playoffs.
The 3x Crunch Time Bonus offers a 100% deposit match worth up to $300 on your next three deposits. To claim this bonus, use the code HOOPSFEVER300 and make a minimum deposit of $50. Funds from this promo have an 8x rollover requirement.
2. Biggest March Madness Betting Bonus in 2025: BetUS’s 125% Welcome Deal
Next on my list of the best March Madness betting promotions is the 125% welcome bonus at BetUS. This promo includes two bonuses: a 100% sports promo worth up to $2,000 and a 25% casino bonus worth up to $625. To claim this offer, use the code JOIN125 on your first deposit.
This welcome offer can be used three times for a total of $6,000 in sports funds and $1,875 in casino funds. The sports bonuses for this offer have a 14x rollover, and you must deposit at least $100 to qualify.
3. BetOnline’s $50 Risk-Free Live Bet
BetOnline’s risk-free live wager is also a fantastic way to bet on March Madness. With this promo, you can bet up to $50 risk-free on your first live odds wager. Simply place your first live wager, and if you lose, email BetOnline’s top-notch customer service team at promos@betonlinecs.ag within 24 hours to claim your free bet credit refund.
4. SportsBetting.ag’s $50 Risk-Free Player Prop
SportsBetting.ag offers exciting, risk-free bet promos for the NCAA Tournament, too. For instance, the $50 risk-free player prop bonus provides a refund to bettors if their first player prop loses.
Only your first wager using SportsBetting’s Props Builder or Same Game Parlay Builder is eligible for this refund if it loses. To collect your bonus, contact promos@sportsbettingcs.ag, providing your account and ticket numbers, within 24 hours of your losing wager. The refunds from this bonus are awarded as free bets.
5. BetOnline’s Bracket Buster Refund
Early upsets of top seeds, or bracket busters, can be a bettor’s worst nightmare. BetOnline’s Bracket Buster Refund can help relieve the pain of your bracket breaking early in the tournament.
For this promotion, you must wager at least $10 on the point spread of a top-three seed in the first round. If the team you bet on loses, you can claim a refund of up to $50 in free bet credit. Your free bet funds will be credited to your account by 6:00 pm ET on Monday, March 24th.
6. BetOnline’s Money Line Madness
Another thrilling March Madness exclusive bonus at BetOnline is the Money Line Madness promo. To qualify for this bonus, you must place a straight, pre-game money line wager on the first or second round.
If your team wins, then you can claim your prize as usual. However, if they lose by exactly one point, you can claim this refund bonus for up to $50 in free bet funds. Players who are eligible to claim this refund will get a promo link sent to their inbox within 72 hours.
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