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The NCAA tournament is officially over, as the Connecticut Huskies become the first repeat champions since 2007 after defeating the Purdue Boilermakers. Lucrative March Madness betting promos await new customers looking to get in on the 2025 tournament betting action. The best March Madness 2025 odds are already out, so signing up with the top legal March Madness betting sites unlocks welcome offers and bonuses that can immediately boost your bankroll for next year's tournament.
Whether you're cheering on your alma mater or putting your money where your bracket challenge is, we've got you covered. We're evaluating, ranking, and explaining the top sportsbook promos you can score in 2025.
Best March Madness betting promos
Here's a look at the current March Madness betting promos offered by legal U.S. sports betting sites:
Sportsbook | March Madness Promos | Promo Code |
---|---|---|
1. FanDuel | Bet $5, get $200 if your bet wins | Claim $150 without code |
2. Caesars |
COVERSBONUS1000 |
|
3. bet365 |
COVERS CVSBONUS (CO, NJ only) |
|
4. Fanatics | Bet $200, get $200 (5x) | Claim $1,000 without code |
5. DraftKings |
Claim $150 without code |
|
6. BetRivers | Up to a $500 2nd Chance Bet | COVERSBONUS |
7. BetMGM | COVERSBONUS |
*Offers void in Ontario, Canada.
March Madness betting promos explained
FanDuel March Madness promo
Looking for a Big Dance betting partner? Tap FanDuel Sportsbook for its overall ubiquity and ease of use during March Madness. Following registration, FanDuel will credit you with $200 in bonus bets if your initial qualifying bet wins. Here are the FanDuel March Madness promo details:
- This March Madness betting promo is only for new FanDuel users in one of the 22 states where the sportsbook is active. No FanDuel promo code is necessary.
- Downloading the FanDuel Sportsbook app is required to obtain this March Madness promo.
- To qualify, you must make a first deposit of at least $5 and place an initial $5 bet on any sports market.
- FanDuel will issue you $150 in non-withdrawable bonus bets if the wager wins.
- The bonus bets expire seven (7) days from issuance.
Take a look at our thorough FanDuel Sportsbook review for more expert insight.
Caesars March Madness promo
Caesars Sportsbook is offering one of the industry's most lucrative March Madness betting promos in 2024 — $1,000 First Bet on Caesars. The specifics of this Caesars Sportsbook March Madness offer are below:
- Use the Caesars Sportsbook promo code — COVERSBONUS1000 — during registration to claim the bonus.
- Make an initial deposit of $10 or more. You have 30 days upon signing up to make your qualifying bet.
- If your first wager falls short, Caesars Sportsbook will reimburse your qualifying stake, up to $1,000, as a bonus bet.
- The offer is void if your qualifying bet wins.
- Your bonus will arrive in your account within seven (7) days of your failed initial wager settling.
- Once it is in your account, you will have 14 days to use the bet credit.
Itching to find out more? Check out our complete Caesars Sportsbook review.
bet365 March Madness promo
bet365 boasts one of March Madness' best online sportsbook promos, offering new bettors $150 in bonus bets regardless of the outcome of their qualifying $5 wager. Here’s what you need to know about the bet365 March Madness promo:
- You must use the bet365 bonus code 'COVERS' or 'CVSBONUS' to qualify.
- You must deposit at least $10 seven days before claiming this March Madness promo.
- Your $5 qualifying wager can be placed on any sports market with betting odds of -500 or greater, but it must be done within 30 days of registration.
- The bonus funds can be used on any sports betting market but expire after seven (7) days.
- Alternatively, you can claim bet365's "$1,000 First Bet Safety Net" offer, which refunds the entirety of your initial stake, up to $1,000, if your first bet falls short.
To discover more about the online sportsbook in its entirety, read our bet365 Sportsbook review.
Fanatics March Madness promo
If you're looking for flexibility, you'll find plenty of it with Fanatics Sportsbook, an emerging U.S. sports betting operator. Register today to earn 10 $100 bonus bets to use on the Big Dance. Below is a closer look at the Fanatics Sportsbook March Madness promo:
- A Fanatics Sportsbook promo code is not required.
- You must make an initial $5 minimum deposit.
- Your qualifying minimum $5 wager must be placed within five days of account creation.
- Upon successful registration, you must wager at least $5 on any market with odds of -200 or longer for five consecutive days to maximize the offer. Fanatics Sportsbook will match your first bet, up to $200, each day. Failure to make a daily wager will void the offer on any missed days.
- Fanatics Sportsbook will issue a daily bonus bet within 72 hours of your wager settling. Each bonus bet is non-withdrawable and expires seven (7) days from receipt.
Our Fanatics Sportsbook review explores other elements of the online sportsbook you'll find valuable for your March Madness betting.
DraftKings March Madness promo
Submitting a correct tournament bracket challenge is hard. But, claiming the DraftKings March Madness promo is easy, as new users earn $150 in bonus bets regardless of the outcome of their first $5 wager. The critical points you should know before registering with one of the best U.S. sports betting apps are detailed below:
- No DraftKings promo code is needed to claim this sports betting promotion.
- An initial deposit of $5 or more is necessary, followed by a minimum $5 bet on any sports betting market.
- DraftKings Sportsbook will issue you six (6) $25 bonus bets within 72 hours of your qualifying wager settling.
- The bonus bets are non-withdrawable and expire seven days (168 hours) from issuance.
Scour through our DraftKings Sportsbook review for further details of this online sports betting site.
BetRivers March Madness promo
Offering one of the best March Madness betting promos, BetRivers joins the pack with a solid sign-up bonus of up to a $500 2nd Chance Bet. Read on for the vital terms of the BetRivers March Madness promo:
- You need to use the BetRivers bonus code 'COVERSBONUS' during registration.
- An initial deposit of $10 or more is required.
- If your qualifying wager loses, BetRivers will refund your stake up to $500 as a bonus bet.
- The second-chance bet cannot be placed on betting odds less than -200, or it is ineligible for withdrawal.
- The bonus will expire after 30 days.
- New bettors in CO and NJ can claim a $250 bonus, while those in AZ, DE, IA, NY, OH, and WV are eligible for up to $100.
Dive into our BetRivers Sportsbook review to uncover more information about the platform as you research March Madness betting promos and bonuses.
BetMGM March Madness promo
Closing out our list of the best March Madness betting promos and bonuses, new users can sign up with BetMGM to claim up to $1,500 in bonus bets. Here’s the complete BetMGM March Madness promo breakdown:
- This March Madness promo is only for new BetMGM users — excluding those in North Carolina, Nevada, and New York. Use BetMGM bonus code 'COVERSBONUS' to get started.
- A minimum $10 deposit and a real money initial wager is required.
- If you lose your first wager, BetMGM will return your entire stake, up to $1,500, as bonus bets. If you wagered over $50, you will receive five bonus bets — each worth 20% of your initial bet. If you bet less than $50, BetMGM will credit your account with one bonus bet of equal value.
- Bonus bets will appear in your account within 24 hours of your wager settling.
- The bonus expires after seven days, but it can be used on any sports betting market during that time.
Dissect our BetMGM Sportsbook review for more actionable intel.
Best March Madness betting promos FAQs
FanDuel's newbie-friendly 'bet $1, get $150 offer' tops our list of the best March Madness betting promos. However, all betting sites in this guide offer promotions with their own benefits for new and experienced bettors.
You can bet on March Madness by creating a sportsbook account with a legal online betting site. After entering some personal information and claiming a bonus, you'll be ready to bet on the Big Dance.
You can bet on March Madness online or at a retail sportsbook. However, some states do not permit wagering on in-state college sports teams.
Yes, regardless of the offer, site credits and bonus bets will expire if left unused ¡ª typically between seven and 30 days.
While some sportsbooks require a promo code, most will reward eligible users upon registration. Read the key points we've listed under each offer for more information.
Well, that depends on where you live. Sports bettors in DC, Delaware, New Hampshire, New Jersey, New York, Oregon, Rhode Island, Virginia, and Washington cannot bet on in-state college teams. Residents of Connecticut, Illinois, Massachusetts, Vermont, Wisconsin can only wager on in-state teams for big events, like the March Madness tournament.