Register for a new account today with the BetMGM bonus code TOPACTION to take advantage of a $1.5K first bet offer. Place your first bet, and if it loses, get back up to $1.5K in bonus bets to cover the amount of the loss. Use the BetMGM bonus code TOPACTION to bet on the Final Four of the NCAA Tournament, including Illinois vs. UConn at 6:09 p.m. ET and Michigan vs. Arizona at 8:49 p.m. ET on TBS. Claim the best March Madness Final Four betting promo now at BetMGM Sportsbook.
This welcome bonus is available to new users in AZ, CO, DC, IA, IL, IN, LA, KS, KY, MA, MD, MI, NC, NJ, OH, PA, TN, VA, WV, and WY. Claim this offer now by clicking on the sign-up module below.
BetMGM Bonus Code TOPACTION: Score $1.5K with Best March Madness Final Four Betting Promo
Sign up today with the BetMGM bonus code TOPACTION to claim a $1.5K first bet offer. Place your first bet, and if you lose, get back up to $1.5K in bonus bets to cover the amount of your loss. Keep in mind that if you do receive bonus bets back due to a first bet loss, they expire after seven days. If your bonus amount exceeds $50 in value, you receive the bonus is five equal increments.
Let's take a look at a betting example to demonstrate how this March Madness Final Four betting promo works. Suppose I place a $500 first bet on the Arizona moneyline (+100) vs. Michigan:
- If the bet wins, I receive $500 in profit and my $500 stake back.
- If the bet loses, I receive five $100 bonus bets that expire after seven days.
BetMGM Promo Offers Available in Other States
Instead of the $1.5K first bet promo, there are two additional welcome bonuses available at BetMGM Sportsbook using a BetMGM bonus code. In select states, place a $10+ first bet to get $150 in bonus bets if you win. In most states, grab a 20% deposit match of up to $1.5K in sports bonus. Take a look at the chart below for information about these alternative offers.
| BetMGM Promo | States Available | BetMGM Bonus Code |
|---|---|---|
| Bet $10, Get $150 in Bonus Bets if You Win | MI, NJ, PA, WV | ACTIONGET |
| Get a 20% First Deposit Match Up to $1,500 in Sports Bonus | AZ, CO, DC, IA, IN, KS, KY, MA, MD, MI, MO, NC, NJ, PA, TN, WV, WY | TOPTAN1500 |
BetMGM Bonus Code Sign-Up Steps: Monday, March 30, 2026
Follow the steps outlined below to claim your sign-up bonus today with the BetMGM bonus code:
- Click any sign-up module on this page to create a new BetMGM Sportsbook account. Forthe $150 bet-and-get, use ACTIONGET. To claim the 20% deposit match, it's the exclusive TOPTAN1500. The $1,500 first bet offer usesTOPACTION.
- 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.
- Make a $10+ first deposit using any available banking method.
- Place your first bet via the BetMGM app or site on any event, including March Madness Final Four games.
BetMGM Bonus Code Terms & Conditions
21+. Gambling problem? Call 1-800-GAMBLER or 1-800-MY-RESET. Offer available in MI, NJ, PA, WV. Please Gamble Responsibly. Subject to eligibility requirements. Bonus bets are non-withdrawable. In partnership with Kansas Crossing Casino and Hotel. This promotional offer is not available in DC, MS, NY, NV, ON, or PR. Visit BetMGM.com for Terms & Conditions.
21+. Gambling problem? Call 1-800-GAMBLER or 1-800-MY-RESET. AZ, CO, DC, IA, IN, KS, KY, MA, MD, MI, MO, NC, NJ, PA, TN, WV, WY. Call 877-8-HOPENY or text HOPENY (467369) (NY). Call 1-800-327-5050 (MA), 1-800-BETS-OFF (IA), 1-800-981-0023 (PR). Please Gamble Responsibly. Call 1-800-NEXT-STEP (AZ), 1-800-522-4700 (KS, NV), 1-800-BETS-OFF (IA). Subject to eligibility requirements. Bonus bets are non-withdrawable. In partnership with Kansas Crossing Casino and Hotel. This promotional offer is not available in DC, MS, NY, NV, ON, or PR. Visit BetMGM.com for Terms & Conditions.
21+. Gambling problem? Call 1-800-GAMBLER or 1-800-MY-RESET. 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), 1-800-BETS-OFF (IA), 1-800-981-0023 (PR). Please Gamble Responsibly. Call 1-800-NEXT-STEP (AZ), 1-800-522-4700 (KS, NV), 1-800-BETS-OFF (IA). First Bet Offer for new customers only (if applicable). Subject to eligibility requirements. Bonus bets are non-withdrawable. In partnership with Kansas Crossing Casino and Hotel. This promotional offer is not available in DC, MS, NY, NV, ON, or PR. Visit BetMGM.com for Terms & Conditions.
