March Madness Betting Promos: Up to $1.9K in Bonuses + 10 Profit Boosts for Sweet 16

Four teams have secured their spots in the Elite Eight, while the last four will punch their tickets today. New bettors can claim lucrative March Madness betting promos from BetMGM, FanDuel, DraftKings, and Caesars Sportsbook. Read below to learn more.
Best March Madness betting promos
Sportsbook | Welcome Bonus | Promo Code |
|---|---|---|
BetMGM | SI1500 | |
Caesars Sportsbook | SICZRDYW | |
FanDuel | Claim $200 without code | |
DraftKings | Claim $200 without code |
BetMGM bonus code: Get up to $1,500 in bonus bets
BetMGM has one of the biggest bonuses around, and new players can use our exclusive BetMGM bonus code SI1500 to lock it in. If your bet loses, you’ll receive 100% of your wager back in bonus bets, up to $1,500. Here are the details:
- Deposit a minimum of $10 and place your first wager on any sports event.
- If you lose your first bet and it’s under $50, you’ll receive a bonus bet that matches your loss.
- For bets over $50, you’ll get five bonus bets, each worth 20% of your initial stake.
- You must use your bonus bets within seven days.
- This promotion runs all tournament long.
The BetMGM bonus code offer is great for anyone, but the bigger the bet, the bigger the value.
Use BetMGM bonus code SI1500 for up to $1,500 in bonus bets - CLAIM NOW
This BetMGM offer is available to first-time customers in the following states: AZ, CO, DC, IA, IL, IN, KS, KY, LA, MA, MD, MI, MS, NC, NJ, OH, PA, TN, VA, WV, WY. This offer is not available to bettors in NV, NY, or Ontario, Canada.
Caesars Sportsbook promo code: Bet $1 to double your winnings on next 10 bets
Snag 10 profit boost tokens by using our Caesars Sportsbook promo code SICZRDYW. Each token comes with a 100% profit boost. Read below for details.
- Make at least a $10 deposit and place a minimum $1 wager on any market.
- After that, you’ll receive 10 profit boost tokens, each with a 100% profit increase.
- Bets must be on odds of -10000 or longer, and that goes for wagers made with profit boost tokens too.
- Each token allows you to bet up to $25 and earn a maximum of $2,500.
- Tokens expire 14 days after they’re issued.
- This promo ends at 11:59 PM ET on April 15, 2025.
Caesars’ March Madness offer gives you up to 14 days to use your bonus. That’s double what most sportsbooks offer, so take your time.
Bet $1 and double your winnings on your next 10 bets at Caesars Sportsbook - CLAIM NOW
This Caesars Sportsbook promo is available to new customers in the following states: AZ, CO, DC, IA, IL, IN, KS, KY, LA, MA, MD, ME, MI, NC, NJ, NY, OH, PA, TN, VA, WV, WY. Bonus not available in Ontario, Canada.
FanDuel promo code: Bet $5, get $200 in bonus bets if you win
You must win your initial $5 wager at FanDuel to claim the $200 in bonus bets welcome offer. The good news? There are no odds restrictions on said wager. Check out the details here:
- Click any FanDuel link on this page to register. Download the app to complete your sign-up and claim your welcome bonus.
- To receive $200 in bonus bets, you must win your first $5 wager.
- There are no odds restrictions on your first bet.
- Your FanDuel bonus bets expire in seven days.
- This FanDuel promo ends at 11:59 PM ET on April 7, 2025.
Your first bet is not the time to go big at FanDuel. Find the shortest odds possible and secure your $200 in bonus bets with a win.
Bet $5 and get $200 in bonus bets from FanDuel if you win - CLAIM NOW
This FanDuel promo is available to new customers in the following states: AZ, CO, CT, DC, IA, IL, IN, KS, KY, LA, MA, MD, MI, NC, NJ, NY, OH, PA, TN, VA, VT, WV, WY. Bonus not available in Ontario, Canada.
DraftKings promo code: Bet $5, get $200 in bonus bets instantly
The DraftKings welcome offer is like taking bonus bets from a baby. Win, lose, it doesn’t matter. Once your first $5 bet has been placed, you’ll instantly receive $200 in credits. Here’s how it works:
- To launch the offer, make a minimum deposit of $5 and place a $5 wager.
- You’ll receive eight $25 bonus bets instantly.
- You don't need to win your first $5 wager to receive the $200 in bonus bets.
- Your bonus bets will expire after seven days.
- This DraftKings promo ends at 11:59 PM ET on March 30, 2025.
Since your bonus bets are guaranteed, we see no reason not to swing for the fences with your first $5 wager.
Bet $5 and get $200 in bonus bets instantly from DraftKings - CLAIM NOW
This DraftKings promo is available to new customers in the following states: AZ, CO, CT, DC, IA, IL, IN, KS, KY, LA, MA, MD, ME, MI, NC, NJ, NY, OH, PA, TN, VA, VT, WV, WY. Bonus not available in Ontario, Canada.
Can you bet on March Madness in the US?
Yes, but some states have restrictions on local teams and player props. Find your state below to see where it stands.

Compare the best March Madness betting promos
Claim up to $1,900 in bonus bets and 10 100% profit boost tokens from BetMGM, Caesars Sportsbook, FanDuel, and DraftKings during the Sweet 16.
BetMGM | Caesars Sportsbook | FanDuel | DraftKings | |
|---|---|---|---|---|
March Madness betting promo | ||||
Promo code | SI1500 | SICZRDYW | No code required | No code required |
Bonus form | 1 or 5 bonus bets | 10 100% profit boost tokens | $200 in bonus bets | Eight $25 bonus bets |
Minimum deposit | $10 | $10 | $5 | $5 |
Minimum bet | N/A | $1 | $5 | $5 |
Days to use bonus | 7 days | 14 days | 7 days | 7 days |
Odds refresh periodically and are subject to change.
If you or someone you know has a gambling problem and wants help, call 1-800-GAMBLER.

Brian Giuffra is the VP of Betting Content at Minute Media and has been with the company since 2016. He's a fan of the Knicks, Giants, wine and bourbon, usually consuming them in that order.
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