Best March Madness Betting Sites and Apps for 2026

The top March Madness betting sites are ranked based on the features that matter, including app usability, live betting options, and which offer the best March Madness betting promos.

All the best betting sites listed here deliver a dependable betting experience and offer competitive March Madness betting odds all tournament long.

1. BetMGM: Best overall for tournament betting
2. Caesars Sportsbook: Best for unique March Madness bets
3. FanDuel: Best for March Madness live betting
4. DraftKings: Best for March Matchup promos
5. Fanatics Sportsbook: Best for CBB merchandise rewards
6. bet365: Best March Madness odds

BetMGM earns its spot as the best overall option for tournament betting thanks to its strong college basketball coverage, reliable live betting, and polished mobile app. The sportsbook makes it easy to move between pregame lines, in-game wagers, and tournament futures, with consistent market availability throughout the bracket.

New bettors can get started with the BetMGM promo code SIBONUS50, and get their first wager back in bonus bets, up to $1,500, if it doesn't win. It’s one of the larger sportsbook promos available for the tournament, giving new users added protection as they place their first tournament bets.

Make sure to read our BetMGM review to get the full breakdown and learn why it's our top choice among March Madness betting sites. 

Caesars Sportsbook is great for bettors looking for something beyond standard spreads and totals during March Madness. Its FireBets feature introduces alternative live markets that update throughout each game, adding variety and keeping betting options fresh as the tournament unfolds.

Caesars also impresses with a leading reward program and well known for having some of the highest betting limits in the industry. 

New users can take advantage of the Caesars Sportsbook promo code offer using the code SICZRDYW. Place your first bet of $1 or more with odds of at least -10000 to unlock the promo.

Our Caesars Sportsbook review breaks down everything you need to know about this NCAA Tournament betting site.

FanDuel excels at live betting during March Madness, offering a clean, responsive platform that keeps pace with the ups and downs of the NCAA Tournament. Its interface makes switching between games seamless, with quick access to updated odds, in-play totals, and same-game parlay options so you can react to every key play in real time.

The overall betting experience helps make FanDuel one of the best sports betting apps for following the action from tipoff through the Final Four.

New bettors can access the FanDuel sign-up bonus, which awards bonus bets after a losing wager over 10 days, making it one of the best March Madness betting promos. Bonus bets are flexible and can be used across multiple March Madness games.

Our FanDuel review goes into more depth about the one of the best operators. 

DraftKings is one of the most aggressive sportsbooks during March Matchups, consistently rolling out tournament-specific promotions throughout the games. From profit boosts and parlay boosts to enhanced odds on marquee matchups and limited-time betting bonuses, there are frequent opportunities for existing and current users to add value across every round of betting.

New users can claim the DraftKings promo code offer by placing a qualifying first wager and, if it wins, earning bonus bets, making it a strong entry point for betting on March Matchups.

You can see our DraftKings review for more information on this March Madness betting app.

Important terms and conditions:

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21+ and present in most states. (18+ DC/KY/NH/PR/WY). Void in NH/OR/ONT/PR. Eligibility restrictions apply. On behalf of Boot Hill Casino (KS). Pass-thru of per-wager tax may apply in IL. 1 per new customer. $5+ first-time bet req. Max. $200 issued as non-withdrawable Bonus Bets that expire in 7 days (168 hours). Stake removed from payout. Terms: Promos | DraftKings Sportsbook. Ends 4/6/26 at 11:59 PM ET.

Fanatics Sportsbook appeals to March Madness bettors who want to earn rewards while wagering on the tournament. Its app-first design makes it easy to browse lines and place live bets across college basketball markets, and the FanCash Rewards program credits users for every wager.

FanCash also excels with easy to read graphics that make placing bets on the fly fun and also reduces the chance for a wrongly placed bet or mis-sizing when it comes to wager amount.

New users can earn FanCash through Fanatics’ welcome offer by placing qualifying bets over a set period. FanCash can be redeemed for bonus bets, betting perks, or Fanatics merchandise, adding value throughout the bracket.

You can read our Fanatics Sportsbook review and claim the Fanatics Sportsbook promo in time for March Madness.

bet365 is known for offering some of the most competitive March Madness betting odds, giving bettors strong value on spreads, moneylines, and alternate markets throughout the tournament. If you’re focused on finding the best price rather than chasing flashy boosts, bet365 is a smart option from the opening round through the championship game.

On top of competitive odds, also ensure you look through bet365's big range of NCAA game and player props. They're also a leader in overall variety of offerings for college and international sports.

New users can sign up with the bet365 bonus code offer and choose between two welcome offers: a bet $10, get $365 in bonus bets promo or a $1,000 First Bet Safety Net that refunds a losing first wager in bonus bets. A minimum $10 deposit is required, and bonus bets expire seven days after issuance.

Our bet365 review covers everything about the operator.

Getting started is simple, even if it’s your first time betting on the NCAA Tournament. Follow these steps to begin betting on college basketball using one of the top March Madness betting apps available.

1. Choose a March Madness betting app

Start by reviewing the sportsbooks listed above and selecting the betting site that best fits your style. When betting on March Madness, consider factors like app usability, live betting depth, available promotions, and the types of tournament bets you want to place.

2. Create and verify your account

Once you’ve chosen a sportsbook, create an account by entering your personal information. You’ll also need to verify your identity, which is a standard requirement and helps ensure secure deposits and fast withdrawals.

3. Claim the bonus

After signing up, claim the welcome offer available to new users. If a bonus code is required, be sure to enter it during registration. Always review the promotion’s terms, including wagering requirements and eligible markets, before betting on March Madness for the first time.

4. Place your March Madness bet

With your account funded, you’re ready to start betting on March Madness online. Select your market, choose your stake, and confirm the wager. Bets can be placed before tipoff or through live betting as games progress throughout the tournament.

We evaluate online sportsbooks based on the features that matter most during the NCAA Tournament. Here’s what we look at when determining the best March Madness betting sites:

📊 March Madness betting odds and lines

We compare moneylines, spreads, totals, and futures to ensure bettors are getting competitive pricing throughout the tournament. Strong March Madness betting odds provide better long-term value from the First Four through the national championship.

🎯 Bet variety and prop depth

Market depth is critical during March Madness; you'll want to be on one of the best prop betting sites or parlay betting sites. We assess the range of team props, alternative lines, live markets, and same-game parlays available across tournament matchups. The availability of player props varies by state due to regulations governing betting on college athletes, which can affect overall betting options.

🎁 Bonuses and rollover terms

Welcome offers, tournament promotions, and fair wagering requirements all affect the value of betting on March Madness. We prioritize sportsbooks with competitive bonuses, clear terms, and realistic playthrough requirements.

📱 App performance

A reliable mobile app is essential during the fast-paced March Madness. We test navigation, loading speed, and overall responsiveness to ensure bettors can switch between games and place live wagers without friction.

🏦 Banking and withdrawals

We evaluate deposit and withdrawal methods for speed, security, and convenience. Transparent policies and multiple payment options help make managing your account simple throughout the tournament.

✅ Reputation and regulation

Trust matters. We focus on licensed U.S. betting sites with a track record of secure operations, strong customer support, and consistent user satisfaction.

By weighing these factors, we identify March Madness betting sites that combine value, reliability, and a smooth overall betting experience.

March Madness betting apps are legal in more than 30 states and Washington, DC, but the rules aren’t identical across all jurisdictions. While all of the states below allow legal wagering on the NCAA Tournament, the availability of college player prop bets varies.

Some states prohibit player props entirely, while others allow them with no restrictions. Use the table below for a quick, side-by-side look at what’s permitted where you live.