When it comes college basketball betting, there is no bigger tournament than March Madness, and the 2023 rendition has not left fans disappointed so far. 

The games have been very exciting to watch, and with the March Madness betting promos listed below, you’ll be able to make the this weekend's Final Four games even more interesting by placing wagers on them.

The best March Madness betting apps have a number of amazing bonus offers right now for new customers, so read on and learn about all of these great welcome offers below:

Up to $1,500 in Bonus Bets if Your First Bet Loses Promo Code: BOOKIES

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Used 16 Times Today

Bonus Bets Expire in 7 Days. One New Customer Offer Only. Must be 21+ to participate & present in OH. In partnership with MGM Northfield Park. Gambling problem? Call 1-800-GAMBLER. Visit BetMGM.com for T&Cs. US promotional offers not available in NY, NV, or Puerto Rico.

$1,000 First Bet on Caesars

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Used 20 Times Today

OH only. 21+. New users and first wager only. Must register with eligible promo code. Bet amount of qualifying wager returned only if wager is settled as a loss. Maximum bet credit $1,000; must be used within 14 days of receipt. See Caesars.com/promos for full terms. Void where prohibited. Know When To Stop Before You Start.® Gambling problem? Call 1-800-GAMBLER

Bet $5, Get $200 in Bonus Bets + No Sweat NBA SGP Every Day Of The Playoffs

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Used 32 Times Today

Must be 21+ and present in OH. Gambling Problem? Call 1-800-GAMBLER.

Bet $5, Get $300 in Bonus Bets If Your Bet Wins

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Used 71 Times Today

Must be 21+ and present in OH. Gambling Problem? Call 1-800-GAMBLER.

Check Out Betway Here

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Used 59 Times Today

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Best March Madness Betting Promos & Sign-Up Bonuses

BetMGM Betting Promo

The BetMGM Sportsbook bonus code BOOKIESMARCH gives new customers $200 in bonus bets for making just a $10 wager on any March Matchups game. 

All you have to do is bet on the pre-game moneyline for any team to win, and regardless of the game’s result, you’ll get $200 in bonus bets in the form of four $50 bonus bets for you to use on any sport!

BetMGM Betting Promo Terms & Conditions

1. Sign up for a new BetMGM Sportsbook account and use the bonus code BOOKIESMARCH when signing up
2. Make your first deposit of at least $10
3. Place your first bet on any March Matchups game via a pre-game moneyline of $10 or more and you will get $200 in bonus bets win or lose
4. The bonus bets come in the form of four $50 bonus bets
5. You then get seven days to use your bonus bets at BetMGM Sportsbook
6. Your bonus bets come with a 1x rollover

Up to $1,500 in Bonus Bets if Your First Bet Loses Promo Code: BOOKIES

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Used 30 Times Today

Bonus Bets Expire in 7 Days. One New Customer Offer Only. Must be 21+ to participate & present in OH. In partnership with MGM Northfield Park. Gambling problem? Call 1-800-GAMBLER. Visit BetMGM.com for T&Cs. US promotional offers not available in NY, NV, or Puerto Rico.

Caesars March Madness Betting Promo

With the Caesars Sportsbook promo code BOOKIESFULL, gives new customers up to $1,250 for their first losing wager on any sports market, including any March Madness game. On top of that, you’ll earn 1,000 in Tier Credits and 1,000 and Reward Credits.

For users in Ohio and Massachusetts, use the promo code BOOKIES1BET to get back up to $1,500. What an amazing deal to take advantage of!

For all customers, you can bet on some special college basketball odds boosts from Caesars Sportsbook. These odds boosts all come with a $100 maximum bet:

• Villanova, LSU, Iowa & Ole Miss All Win on 3/24 +625
• Miami (FL), Creighton & Texas All Win on 3/24 +625

All customers can also opt-in to get a 50% CBB Parlay Token and use it on a parlay featuring four or more legs of March Madness games at +400 or greater final odds (i.e. +405, +505). The maximum wager is $50, and your maximum additional winnings from this offer are capped at $1,000. Once again, all customers can take advantage of this parlay boost token.

Caesars March Madness Promo Terms & Conditions

1. Sign up for a new Caesars Sportsbook account using the promo code BOOKIESFULL, or BOOKIES1BET if in Ohio or Massachusetts
2. Make your first deposit of at least $20
3. Place your first bet on any March Madness game and get back up to $1,250 in the form of a single bet credit if it loses, or up to $1,500 if you are located in Ohio or Massachusetts
4. You get up to 14 days in order to use your bet credits
5. The bet credits come with a 1x rollover
6. You will also get 1,000 Tier Credits and 1,000 Reward Credits added to your account

$1,000 First Bet on Caesars

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Used 35 Times Today

OH only. 21+. New users and first wager only. Must register with eligible promo code. Bet amount of qualifying wager returned only if wager is settled as a loss. Maximum bet credit $1,000; must be used within 14 days of receipt. See Caesars.com/promos for full terms. Void where prohibited. Know When To Stop Before You Start.® Gambling problem? Call 1-800-GAMBLER

DraftKings March Madness Betting Promo

At DraftKings Sportsbook, new users can bet $5 and get back $200 in bonus bets if their first bet is a winner, including any wager on March Madness. 

Considering all you have to do is bet $5 to claim this offer, we highly recommend signing up for DraftKings Sportsbook and taking full advantage of this great deal.

DraftKings March Madness Promo Terms & Conditions

1. Sign up for a new DraftKings Sportsbook account – no promo code is required
2. Make your first deposit of $5 or more
3. Make a wager on any pre-game moneyline for $5 or more, including any college basketball game
4. If your first bet is a winner, get back $200 in bonus bets in the form of 8 $25 bonus bets, plus get your winnings
5. You will get one week to use the bonus bets at DraftKings Sportsbook
6. Your bonus bets come with a 1x rollover

Bet $5, Get $200 in Bonus Bets + No Sweat NBA SGP Every Day Of The Playoffs

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Used 30 Times Today

Must be 21+ and present in OH. Gambling Problem? Call 1-800-GAMBLER.

FanDuel March Madness Promo

At FanDuel Sportsbook, new users get a No Sweat First Bet for up to $1,000. 

This is an amazing deal. Just place your first wager on any sport, including any March Madness game, and get back up to $1,000 in bonus bets if your first bet is a loser!

All users also get a Bracket Parlay Insurance offer from FanDuel Sportsbook once per day. Make a parlay featuring 3+ legs at +400 or greater final odds (i.e. +425, +525), and if exactly one leg loses, you will get back up to $25 in bonus bets each day.

FanDuel March Madness Promo Terms & Conditions

1. Sign up for a new FanDuel Sportsbook account – no promo code is required
2. Make your first deposit of $10 or more
3. Place your first get on any sport and get back up to $1,000 in bonus bets if it loses
4. You get up to 14 days in order to use your bonus bets at FanDuel Sportsbook
5. The bonus bets come with a 1x rollover

Bet $5, Get $300 in Bonus Bets If Your Bet Wins

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Used 22 Times Today

Must be 21+ and present in OH. Gambling Problem? Call 1-800-GAMBLER.

Betway March Madness Betting Promo

Finally, we have the Betway Sportsbook promo code. 

For new users, you can get back up to $250 in bonus bets if your first March Madness wager is a loser. You can bet on any sport, including college basketball, and if your first bet loses, get back up to $250 in bonus bets. What a great deal!

Betway March Madness Promo Terms & Conditions

1. Register for a new Betway Sportsbook account – no promo code is required
2. Opt-in to this promotion, and then deposit at least $10
3. Make your first wager on any sport, including any March Madness game, at -300 or greater odds (i.e. -250, +250)
4. If your first bet is a loser, you’ll get back up to $250 in bonus bets
5. You’ll then get up to seven days in order to use your bonus bets
6. The bonus bets come with a 1x rollover

Check Out Betway Here

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Used 7 Times Today

Must be 21+ and present in OH. Gambling Problem? Call 1-800-GAMBLER.