Best March Madness Betting Bonuses & Sportsbook Promos: NCAA Tournament
The Super Bowl may be considered the most high-profile singular sporting event of the year, but there is absolutely nothing quite like March Madness. Now that the First Four has gotten underway, the first true weekend of action is nearly here. With so much action jam-packed into just four days, we want to make sure that you have the best March Madness betting bonuses currently available.
So, we’ve collected them into a one-stop-shop article for you and explained how each one works below so that you can join each of the best March Madness betting sites around.
North Carolina residents ready to celebrate the launch of sports betting in their state should take advantage of our overview of the best North Carolina Sportsbook Promo Codes, detailing the top sign-up offers available.
The Best March Madness Betting Bonuses Available Today
As promised, we’re going to break down each of the top March Madness betting bonuses in terms of what they offer and how to claim yours today. However, you can see a quick summary of each one below alongside a link to get started with right away if you’d prefer:
- DraftKings Sportsbook: Bet $5, win $150 in bonus bets no matter what
- FanDuel Sportsbook: Receive $200 in bonus bets with a successful $5+ bet
- Caesars Sportsbook: Up to $1,000 back as a bonus bet if your first bet loses using the Caesars promo code SI1000
- BetMGM Sportsbook: First-bet insurance worth up to $1,500 in bonus bets using the BetMGM promo code SPORTSILLUSTRATED
- Bet365 Sportsbook: Bet $5, win $150 instantly OR $1,000 in first-bet insurance using the Bet365 promo code SIBONUS
- Underdog Fantasy: Up to $100 in bonus funds via 100% deposit match using the Underdog promo code SIGEN
- PrizePicks Fantasy: First deposit matched up to $100 in bonus funds
DraftKings Sportsbook March Madness Betting Bonus
Tipping off our collection of the best March Madness betting bonuses is DraftKings Sportsbook. It’s only fitting that this is where we begin, as once you ☀️ create a new account ☀️, you’ll be a part of arguably the most popular sportsbook in the nation. With that comes a guaranteed boost to your bankroll without even needing a DraftKings promo code.
Therefore, to get started, you’ll only need to make a deposit of $5 or more. After that, place an initial wager of $5 or more on anything, not just March Madness. Better yet, you don’t even need it to win, so feel free to take a chance on a #16 seed. No matter what, you’ll receive $150 in bonus bets! A 30x boost makes this one of the best March Madness betting bonuses, and you can grab yours by joining DraftKings here 👈.
FanDuel Sportsbook March Madness Betting Bonus
FanDuel Sportsbook also provides one of the best March Madness betting bonuses, and like DraftKings, no FanDuel promo code will be required when you ☀️ become a new member ☀️ through our links and banners. This time, you can get the process underway by depositing at least $10 before browsing the betting markets.
Once you’ve found something that you’d like to wager on, place a bet of $5 or more. Rather than taking a chance on a #16 seed, target something you feel confident in. That’s because a winning selection sees you rewarded with $200 in bonus bets to go along with your usual winnings. That means a chance at a 40x boost when you click here 👈 to join FanDuel for another one of the top March Madness betting bonuses.
Caesars Sportsbook March Madness Betting Bonus
The first of your March Madness betting bonuses where a code is in order comes by way of Caesars Sportsbook. It’s still very easy to get started - just register here 👈 for a new account with the Caesars promo code SI1000. That will allow you to wager up to $1,000 with your first bet and not even have to worry about the outcome!
Once you deposit $10 or more, wager $10+ and up to $1,000. If that wager loses - no sweat - you’ll receive a full refund as a bonus bet. If it wins, of course, you’ll be paid out normally. That means this is one of the March Madness betting bonuses where you’re guaranteed to receive something, and you just need the Caesars promo code SI1000 when signing up here 📝 for a new account today.
BetMGM Sportsbook March Madness Betting Bonus
Next up with one of the March Madness betting bonuses you don’t want to miss is BetMGM Sportsbook. When you ☀️ create a new account ☀️ with the BetMGM promo code SPORTSILLUSTRATED, you’ll enroll in the highest value welcome offer that we have for you. First though, deposit at least $10.
Follow that up with an initial wager of at least $10 and up to $1,500. Like Caesars, if it loses, you’ll be fully refunded in bonus bets. As you’d expect, your winnings are all yours if it’s successful. No matter if you wager on the NCAA Tournament or something else, get started by joining the BetMGM community 👈 using the BetMGM promo code SPORTSILLUSTRATED.
Bet365 Sportsbook March Madness Betting Bonus
The final one of the March Madness betting bonuses we have from a true sportsbook is provided by Bet365 Sportsbook. New users can click here 👈 to join with the Bet365 promo code SIBONUS (SIPROMO in New Jersey) for the ability to choose their own welcome offer! Get the process started by depositing $10 or more.
Then, wager $5+ on anything to receive $150 in bonus bets no matter how it performs. You can also wager $10+ and up to $1,000 on anything to receive first-bet insurance. That means that if that qualifying wager loses, you’ll be refunded in bonus bets. You can’t go wrong with these March Madness betting bonuses, so make your choice by ☀️ becoming a new member ☀️ with the Bet365 promo code SIBONUS (SIPROMO in New Jersey).
Underdog Fantasy March Madness Bonus
Now, let’s transition to the March Madness betting bonuses provided by fantasy sites. The first of which is Underdog Fantasy, where you can snag a guaranteed bonus worth up to $100 when you ➡️ register here ⬅️ for a new account with the Underdog promo code SIGEN. Make a deposit of $10+ and up to $100 to have Underdog match 100% of the amount in bonus funds.
PrizePicks Fantasy March Madness Bonus
PrizePicks Fantasy is also a part of our collection of the best March Madness betting bonuses, and new customers can sign up here 📝 for a new account without even needing a promo code to get started. Like Underdog, make your first deposit on the platform for $10+ and up to $100. Then, PrizePicks will provide you with bonus funds of the same amount no matter what.
What to Wager on With Your March Madness Betting Bonuses
We know that the vast majority will be taking advantage of these March Madness betting bonuses by wagering on the NCAA Tournament. However, since you’re able to claim them using any sporting event, we’ve shared a handful of options for you below:
- March Madness
- NBA regular season
- NHL regular season
- MLB Spring Training
- PGA Tour events
- NASCAR Cup Series
Getting Started With the Best March Madness Betting Bonuses
Each of our individual breakdowns provided you with the way to get started with your March Madness betting bonuses, but to recap, all you need are the links and banners you see in this article. Therefore, you can use the ones below to get the ball rolling:
- DraftKings Sportsbook: Bet $5, win $150 in bonus bets no matter what
- FanDuel Sportsbook: Receive $200 in bonus bets with a successful $5+ bet
- Caesars Sportsbook: Up to $1,000 back as a bonus bet if your first bet loses using the Caesars promo code SI1000
- BetMGM Sportsbook: First-bet insurance worth up to $1,500 in bonus bets using the BetMGM promo code SPORTSILLUSTRATED
- Bet365 Sportsbook: Bet $5, win $150 instantly OR $1,000 in first-bet insurance using the Bet365 promo code SIBONUS
- Underdog Fantasy: Up to $100 in bonus funds via 100% deposit match using the Underdog promo code SIGEN
- PrizePicks Fantasy: First deposit matched up to $100 in bonus funds
Enjoyed this article? Further enhance your betting experience with our guides, handpicked for you:
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