The BetMGM bonus code offers bettors an excellent way to capitalize on the excitement of March Madness with the official NCAA Tournament bracket being revealed. Whether you're backing a top-seeded powerhouse to make a deep run or scouting under-the-radar teams poised for an upset, BetMGM provides two standout welcome offers to help you get started.
New users can select one of two exclusive BetMGM promotions when signing up with the corresponding BetMGM bonus code:
- 20% Deposit Match Up to $1,600 – Use BetMGM bonus code TOPTAN1600 to receive a 20% match on your first deposit, adding extra funds to your bankroll.
- $1,500 First Bet Offer – Use BetMGM bonus code TOPACTION to receive bonus bets back if your first wager loses, up to $1,500.
Click below to register and claim one of these BetMGM welcome bonuses before the NCAAB Tournament tips off.
Use BetMGM Bonus Code to Bet on March Madness
For those looking to extend their bankroll throughout the tournament, BetMGM’s deposit match promotion provides additional bonus funds to place wagers across multiple rounds.
How the deposit match works:
- Sign up using BetMGM bonus code TOPTAN1600.
- Deposit at least $10 into your BetMGM sportsbook account.
- Receive a 20% deposit match, up to $1,600.
- Meet a 10x rollover requirement before withdrawing any winnings.
Let's say you deposit $1,000, BetMGM adds $200 in bonus funds to your account. You must wager $2,000 within 30 days to unlock your winnings.
This offer is available in AZ, CO, DC, IN, IA, KS, KY, MA, MD, MI, NJ, NC, PA, TN, WV, and WY.
This promotion is an excellent way to spread your bets across different rounds of the NCAA Tournament, allowing you to wager on everything from first-round matchups to Final Four picks.
For those who want extra protection on their first wager, BetMGM’s First Bet Offer ensures that if your opening bet doesn’t hit, you receive bonus bets equal to your stake, up to $1,500.
How to claim the First Bet Offer:
- Sign up using BetMGM bonus code TOPACTION.
- Deposit at least $10 into your account.
- Place your first bet on any NCAA Tournament game.
- If your bet wins – collect your full payout in cash.
- If your bet loses – receive bonus bets equal to your stake, up to $1,500 (split into five equal portions).
For example, if you bet $500 on a No. 12 seed to upset a No. 5 seed at +220 odds:
- If your bet wins, you collect $1,600 total ($1,100 profit + $500 stake).
- If your bet loses, BetMGM refunds your $500 stake in five $100 bonus bets.
This First Bet Offer is available in AZ, CO, DC, IA, IL, IN, LA, KS, KY, MA, MD, MI, NC, NJ, OH, PA, TN, VA, WV, and WY.
With March Madness almost set and bracket pools beginning up, now is the perfect time to lock in your BetMGM welcome bonus and start betting on the NCAA Tournament.
BetMGM Sportsbook Sign-Up Steps
Click the sign-up module below and follow these steps to set up your new online BetMGM Sportsbook account. Place your first bet on any game today to get started.
- Click on any sign-up module on this page to create a new BetMGM Sportsbook account.
- Once redirected, select your state and click "Register" in the top right corner to begin registration.
- Enter your personal information, including your email address, name, date of birth, phone number, home address, and the last four digits of your SSN. Then, create a user ID and password.
- Accept the BetMGM Terms & Conditions, set security questions, and confirm your age and eligibility.
- Use the BetMGM bonus code TOPTAN1600 for a 20% deposit match or BetMGM bonus code TOPACTION for a $1,500 first bet offer.
- Make an initial deposit using any available banking method.
- Place your first bet on an NCAA Tournament matchup or any other sports betting market via the BetMGM app or site.
21+. Gambling problem? Call 1-800-GAMBLER. AZ, CO, DC, IA, IN, KS, KY, MA, MD, MI, NC, NJ, PA, TN, WV, WY. Call 877-8-HOPENY or text HOPENY (467369) (NY). Call 1-800-327-5050 (MA). 21+ to wager. Please Gamble Responsibly. Call 1-800-NEXT-STEP (AZ), 1-800-522-4700 (KS, NV), 1-800-BETS-OFF (IA). Participant must complete the Wagering Requirements and satisfy the (10x) playthrough requirement. Deposit Match unavailable in IL, LA, OH and VA. US Promotional Offers Not Available in MS, NY, ON, or PR. Visit BetMGM.com for Terms & Conditions.
21+. Gambling problem? Call 1-800-GAMBLER. AZ, CO, DC, IA, IL, IN, LA, KS, KY, MA, MD, MI, NC, NJ, OH, PA, TN, VA, WV, WY. Call 877-8-HOPENY or text HOPENY (467369) (NY). Call 1-800-327-5050 (MA). 21+ to wager. Please Gamble Responsibly. Call 1-800-NEXT-STEP (AZ), 1-800-522-4700 (KS, NV), 1-800-BETS-OFF (IA). Participant must complete the Wagering. Bonus Bets Expire in 7 Days. US Promotional Offers Not Available in MS, NY, ON, or PR. Visit BetMGM.com for Terms & Conditions.