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Best Betting Sites for March Madness Sportsbook Promo Codes (2023 NCAA Tournament)

March Madness is here and college basketball fans and bettors are ready for the thrill of the tournament. Sportsbooks are taking advantage of the excitement by offering a variety of March Madness promos and bonuses for new customers who bet on the NCAA tournament. Bettors who haven’t checked these out should look over the top sign-up promos out there for the 2023 March Madness tournament.

Best March Madness Sportsbook Promos for CBB Betting

The tournament offers countless opportunities to place bets and potentially win big. From bonus bets to matched deposits, these March Madness offers can provide a valuable boost to your betting bankroll and enhance your March Madness experience.

Bet365: Bet $1 and Get $365 in Bet Credits

*21+. Gambling problem? Call or text 1-800-GAMBLER or visit

The best March Madness offer on the market is this bet365 promo. Bet365 is one of the largest online gambling companies in the world, with a long history of providing a wide range of betting options to its customers. This offer is available to new players looking to sign up for an account in NJ, CO, OH, or VA. The process couldn’t be simpler to claim this bonus.

  1. Click here and sign up for a new bet365 account.
  2. Deposit $10 or more.
  3. Place a wager of $1 or more on any market with maximum odds of -500.
  4. Get $365 in bet credits, win or lose!

DraftKings Sportsbook: Bet $5 and Get $200 in Bonus Bets

DraftKings Sportsbook has rolled out a limited-time offer to celebrate the opening weekend of March Madness. The terms of this one are straightforward as well. This offer will expire on March 19th, so don’t wait to claim it! The bonus amount will be lower after that date.

  1. Click here to sign up for a DraftKings Sportsbook account.
  2. Deposit $5+ into your Sportsbook account.
  3. Place a wager of $5+ on any market.
  4. Once it settles, you will receive $200 in bonus bets instantly and any cash winnings from your original wager.
  5. Bonus paid as eight (8) $25 Bonus Bets that expire 7 days (168 hours) after being awarded.

Players looking to take advantage of a Massachusetts sportsbook promo now that the state has legalized online betting can also take advantage of this offer, but your state has a unique sign-up page. Due to local betting regulations, this will be one of the few times you can bet on in-state college teams each year, so don’t miss this opportunity!

*Massachusetts Only: Claim Here

21+ MA only. Gambling problem? Confidential help is available by calling 1-800-327-5050 or visiting Talk to GameSense first! LiveChat @ or call 1-800-GAM-1234.

FanDuel Sportsbook: Bet $20 and Get $200 in Bonus Bets

FanDuel Sportsbook has also put out a limited-time March Madness promo. At FanDuel, you get 10x your first bet up to $200. So, to max this out, you’ll need to sign up and deposit $20 to get that $200 in bonus bets. Sign up before March 19th to claim this offer.

WynnBET: Bet $100 and Get $100 in Bet Credits (MA Only)

If you or a loved one is experiencing problems with gambling, call (800)-327-5050 for 24/7 support. Terms and conditions at You must be 21 or older to participate. Get set before you bet – talk to GameSense first! LiveChat @ or call 1-800-GAM-1234.

Another offer to take advantage of if you’re in the newly-legal betting state of Massachusetts comes from WynnBET. Deposit $100 & Wager $100 on sports at odds of -120 or greater (ex. -110 and +110 would qualify, -150 would not). You’ll get $100 in bet credits when your qualifying wager settles.

Bettors in Massachusetts will especially appreciate the perks of playing at Wynn’s luxurious Encore Boston Harbor Casino. You can place a wager from 100+ sportsbook kiosks and soak up the gambling atmosphere in-person. WynnBET offers competitive odds and promotions, making it an attractive option for those looking to maximize their winnings. Additionally, the platform provides a user-friendly interface and a seamless betting experience, ensuring you can place bets quickly and easily.

Tipico Sportsbook: Deposit $10 and Get $50 in Bet Credits (OH Only)

Ohio is another state experiencing the thrill of betting on March Madness for the first time this year, and you get live early tournament games in your state! If you’ve already gone through some of the more popular betting sites and are looking for something new, this is the perfect time to give Tipico a shot. While they may be new to the U.S. market, they have been a leading bookmaker in Germany since 2004.

With just a $10 deposit, you can get $50 extra in bet credits. You may not find this exclusive offer featured on their site.

Some other notes worth knowing for this bonus:

  • Your bet credit will expire if not used within seven (7) days from the date of credit.
  • A bet credit is non-dividable and can only be applied to one (1) bet slip.

The Tipico sportsbook promo is also perfect for a March Madness test run. They also have a March Madness competition worth competing in below that could award you $100 in Bonus Bets weekly for a year! You must deposit at least $20 to qualify for this contest. See details below.

Tipico’s “Beat the Odds, Win the Dance”

This is a leaderboard contest for the 2023 NCAAM March Madness Tournament featuring a Grand Prize, Runner Up Prizes, and supplemental rewards for participants. You’ll get a $20 Protected Bet each week just for playing. If your first $20 wager on the tournament loses, you’ll get a bet credit in return up to $20.

Qualifying Wager: $20 or more on the Tournament.

Scoring: Score points for winning wagers.

  • If a wager has minus odds (-110), you score 20 points.
  • Wagers below (-200) earn 0 points.
  • If a wager has plus odds (+300), you score points equal to the odds (300).


  • Awarded to the top scorer for the entire contest.


  • Awarded to places 2-9 plus the top scorer from each state if they are not the Grand Prize winner.

Participation Schedule

  • March 14-15 (If placed qualifying wager on First Four)
  • March 16-29 (If placed qualifying wager on round of 64 and/or 32)
  • March 23-26 (If placed qualifying wager on Sweet 16 and/or Elite 8)
  • April 1 (If placed qualifying wager on Final Four)
  • April 3 (If placed qualifying wager on Championship game)

Top Performers by Round

The top 5 in each state earn a $100 bonus bet the morning following each round (Min. $500 in qualifying wagers in each round).

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