
Today's Top 5 Betting Promos for March Madness
Sports betting sites offer thousands in bonus bets for signing up this week.
We've reviewed March Madness betting promos from some of the best betting apps below. You can learn more about our Gambling.com scores with our guide to how we rate sportsbooks.
1. Fanatics Sportsbook March Madness Promo: Bet $30, Get $300
- Fanatics Sportsbook Promo: None Needed
- Available In: AZ, CO, CT, IL, IN, LA, MA, MD, MI, NJ, NC, OH, PA, TN, VA, WV
- Gambling.com Promo Score:8.5/10
- Use for:March Madness profit boosts
Sign up today, make any $10+ bet on any sporting event, and once it settles, you'll earn bonus bets equal to the amount of your wager, up to $100.
The best part? This offer applies to each of your first three days as a new customer, so you could get back up to $300 in bonus bets.
2. BetMGM March Madness Promo: $1.5K First Bet Offer or $150 Bet & Get
Promo Code: GDCBG150Valid Today:Bet Now
- BetMGM Sportsbook Bonus Code:GAMBLING or GAMBLINGBONUS
- Available in: AZ, IL, IN, IA, KS, KY, LA, MD, MA, MS, NC, NY, OH, TN, VA, DC, WY
- Gambling.com Promo Score:8.25/10
- Use for:March Madness contests
With BetMGM's welcome offer, you get your stake back if you lose your first bet—up to $1,500 back in bonus bets. To claim this deal in most states where the sportsbook is available, register using the BetMGM Sportsbook bonus code GAMBLING. If you're in Kentucky, Massachusetts, New York, or Michigan, instead use the promo code GAMBLINGBONUS.
New Colorado, Michigan, New Jersey, Pennsylvania, and West Virginia users can get $150 when they bet $10 and win their first wager using code GDCBG150.
3. DraftKings March Madness Promo: $200 in Bonus Bets
- DraftKings Sportsbook Promo Code: None Needed
- Available In: AZ, CO, DC, IL, IN, IA, KS, KY, LA, MD, MA, MI, NJ, NY, NC, OH, PA, TN, VA, VT, WV
- Gambling.com Promo Score:7.75/10
- Use for:March Madness bet insurance
When you sign up with DraftKings Sportsbook, you’ll receive $200 in bonus bets after wagering $5. You’ll receive eight installments, each worth $25 in bonus bets. Bonus bets will issued instantly—whether your first bet wins or not! A minimum deposit of $10 is required to create an account.
In addition, new users in CO, IA, KS, MA, NY, VA, and WV will get a daily no-sweat parlay with this offer, perfect for backing Cinderella teams this week.
4. bet365 March Madness Promo Code
Promo Code: GAMBLINGValid Today:Bet Now
- bet365 Sportsbook Bonus Code: GAMBLING
- Available In: AZ, CO, IL, IN, IA, KY, LA, NJ, NC, OH, PA, TN VA
- Gambling.com Promo Score:7.5/10
- Use for:Early March Madness payouts
You can choose between two great welcome offers when you sign up for a new account using the March Madness bonus code GAMBLING. You can choose between a $1,000 first-bet refund or $150 bonus bets when you bet at least $5.
Deposit at least $10 during sign-up, and choose your offer. (The other one will automatically disappear.) Bet at least $5 to get $150 in bonus bets instantly, or insure your first bet up to $1,000. If it loses, you'll be credited with the amount of your stake in bonus bets.
5. BetRivers March Madness Promo
Promo Code: GAMBLINGValid Today:Bet Now
- BetRivers Sportsbook Bonus Code: GAMBLING
- Available In: IA, MI, NJ, PA, WV
- Gambling.com Promo Score:7.0/10
- Use for: March Madness contests
BetRivers offers a second-chance bet for new users, giving you a safety net on your first wager. If your first bet loses after you sign up using the March Madness promo code GAMBLING, you’ll receive a bonus bet in the amount of your initial stake of up to $500. Depending on your location, you're eligible for $100 (Iowa & West Virginia), $250 (New Jersey), or $500 (Michigan & Pennsylvania) in second-chance bonus bets.
Other Great March Madness Betting Promos
We've highlighted a few other March Madness promotions that are worth checking out:
Caesars March Madness Promo Code
Promo Code: GAMBLINGDYWValid Today:Bet Now
- Caesars Sportsbook Promo Code: GAMBLINGBG1 or GAMBLINGDYW
- Available In: AZ, CO, DC, IA, IL, KY, LA, MD, NY, OH, TN, VA, WY (GAMBLINGBG1) & IN, KS, MA, MI, NJ, NC, PA, WV (GAMBLINGDYW)
- Gambling.com Promo Score:7.0/10
- Use for:March Madness contests
Both March Madness betting promo codes are available to new users only and require a minimum deposit of $10. The first offer is a "Bet $1, Get $150 if You Win" promotion in 13 jurisdictions, while the second is a "Ten 100% Profit Boosts" promotion in 8 states.
Sign up using the banner link above and deposit at least $10. Bet at least $1. Depending on your state, you'll either receive 10 (ten) 100% profit boosts or $150 in bonus bets if your wager wins.
The maximum wager for each bet using a profit boost is $25, and you can earn the maximum extra winnings per profit boost of $2,500.
FanDuel March Madness Promo: $200 in Bonus Bets if you Win
- FanDuel Sportsbook Promo: None Needed
- Available In:AZ, CO, IL, IN, IA, KS, KY, LA, MA, MD, MI, NC, NJ, NY, OH, PA, TN, VA, VT, WV
- Gambling.com Promo Score:6.5/10
- Use for:March Madness mobile betting
This welcome bonus gives you $200 in bonus bets if you win a first-time $5+ bet. No promo code is required to take advantage of this offer. With such a low bet requirement to claim it, this is a great promo for users new to sports betting.
Regardless of whether you win your first bet, you can access FanDuel's exclusive college basketball profit boosts, bet insurance, and free-to-play contests throughout the rest of the tournament.
How to Claim March Madness Betting Promos
Claiming any of these welcome offers is easy! Just follow these steps to redeem your reward:
- Click or tap any of the blue "BET NOW" buttons associated with your preferred sportsbook to be automatically directed to the sports betting site.
- During registration, you must provide personal information such as your name, date of birth, address, and more for verification purposes only.
- If prompted, make sure you enter your promo code.
- Read the terms and conditions of the welcome offer to see if a minimum deposit is required.
- Deposit funds into your account.
- Make a first-time wager while meeting minimum bet requirements.
- Monitor your matchups and, if applicable, be sure to use your bonus bets before they expire.