The top March Madness bettingpromos deliver $3,850 in sign-up offers and sportsbook promos for any March Madness games today. The Round of 32 continues today, with New Mexico vs. Michigan State at 8:40 p.m. ET and Oregon vs. Arizona at 9:40 p.m. ET. Claim one or more of the March Madness betting promos and make your NCAA Tournament bets now.
There are different types of March Madness betting promos available across sportsbooks like bet365, BetMGM, Caesars Sportsbook, and Fanatics Sportsbook. Access bet-and-get promos, deposit matches, first-bet offers, and profit boosts today for your college basketball picks.
Here are all of the available March Madness betting promos. Use one of the sign-up links today and get in on the March Madness action after you check our NCAAB odds.
| March Madness Betting Apps | Best March Madness Betting Promos | Sign-Up Link |
|---|---|---|
| bet365 | $1,000 First Bet Safety Net or $150 Bet-and-Get | TOPACTION |
| BetMGM | Bet $10, Get $150 in Bonus Bets if You Win or $1,600 First Deposit Match | ACTIONGET |
| Caesars Sportsbook | Bet & Get $150 in Bonus Bets or Get 10 100% Profit Boost Tokens | ACTION4BG1 |
| Fanatics Sportsbook | $1,000 in No Sweat Bets or Bet $30, Get $300 in Bonus Bets | CLICK HERE |
Best March Madness Betting Promos: Top Sportsbook Promos for College Basketball Bets
Read below to see a breakdown of all available March Madness betting promos. Sign up with all available sportsbook promos to get $3,850 in value. You don't need to use all your bonuses on college basketball bets. It is also possible to wager on other sports betting markets from leagues like the NBA and NHL today.
1. bet365
- bet365 Bonus Code: TOPACTION
- bet365 Promos: $1,000 First Bet Safety Net or Bet $5, Get $150 in Bonus Bets Win or Lose
- bet365 PA Promo: Bet $5, Get $150 in Bonus Bets + 50 Casino Spins Win or Lose
- bet365 States Available: AZ, CO, IA, IL, IN, KY, LA, NC, NJ, OH, PA, TN, VA
The bet365 bonus codeTOPACTION grants a choice between twoMarch Madness betting promos for the March Madness matchups today.
Grab $150 in bonus bets through the bet-and-get offer with a $5 first bet on March Madness or any other game. You get $150 in bonus bets whether your bet wins or loses. The first bet must be made on -500 odds or longer for you to qualify for bonus bets. If you're in Pennsylvania you also get 50 spins for bet365 Casino slots on top of your bonus bets with the bet365 bonus code TOPACTION.
Your other choice from bet365 bonus code TOPACTION consists of the $1,000 First Bet Safety Net. This is a bet insurance offer. Bet on any March Madness game, and if your bet loses, you get up to $1,000 in bonus bets, equal to your stake.
2. BetMGM
- BetMGM Bonus Code: ACTIONGET
- BetMGM Welcome Offer: Bet $10, Get $150 in Bonus Bets if You Win
- BetMGM Bonus Code: TOPTAN1600
- BetMGM Welcome Offer: 20% First Deposit Match, Up to $1,600 in Sports Bonus
- BetMGM Bonus Code: TOPACTION
- BetMGM Welcome Offer: $1,500 First Bet Offer
- BetMGM States Available: AZ, CO, DC, IA, IL, IN, LA, KS, KY, MA, MD, MI, NC, NJ, OH, PA, TN, VA, WV, WY
Use the BetMGM bonus code to claim one of three March Madness betting promos, depending on your location. Here is how each offer works and where it is available.
Bet $10, Get $150 in Bonus Bets if you win (Available in CO, MI, NJ, PA, and WV)
Claim $150 in bonus bets from the BetMGM bonus code ACTIONGET for March Madness wagers now. To get $150 in bonus bets, you must place a bet of $10 on any sporting event and win it. You get no bonus bets with a losing wager.
20% Deposit Match up to $1,600 (Available in AZ, CO, DC, IN, IA, KS, KY, MA, MD, MI, NJ, NC, PA, TN, WV, and WY)
Use the BetMGM bonus codeTOPTAN1600 to unlock a $1,600 deposit match. This is the highest-value offer among the best March Madness betting promos. Deposit $8,000 or more to get the full $1,600 in sports bonus. There is a 10x rollover restriction with this promotion. That means you must wager 10x what you receive in sports bonus before any profit becomes withdrawable.
First Bet Safety Net – Up to $1,500 in Bonus Bets (Available in AZ, DC, IA, IL, IN, LA, KS, KY, MA, MD, NC, OH, TN, VA, and WY)
The BetMGM bonus code TOPACTION unlocks a $1,500 first bet promo ahead of the March Madness slate today. Place your initial wager on any March Madness betting market. If it loses, you get your stake refunded as bonus bets. Your bonus bets are divided into five bonus bet credits, each of which is worth 20% of the total bonus bets you get.
3. Caesars Sportsbook
- Caesars Sportsbook Promo Code: ACTION4BG1
- Caesars Sportsbook Welcome Offer: Bet $1, Get $150 in Bonus Bets if You Win
- Caesars Sportsbook Promo Code: ACTION4DYW
- Caesars Sportsbook Welcome Offer: Bet $1, Get 10 100% Profit Boost Tokens
- Caesars Sportsbook States Available: AZ, CO, DC, IA, IL, IN, KS, KY, LA, MA, MD, ME, MI, NC, NJ, NY, OH, ON, PA, TN, VA, WV, WY
There are two available March Madness betting promos when you sign up with the Caesars Sportsbook promo code.
Get $150 in bonus bets from Caesars Sportsbook promo code ACTION4BG1 with a $1 winning bet on any March Madness betting market. If your first bet loses you don't receive any bonus bets. The bonus bets are delivered to your account as six $25 bonus bet credits, which expire after 30 days.
Bet $1 on any March Madness betting market with Caesars Sportsbook promo code ACTION4DYW to get 10 100% Profit Boost Tokens instantly.
When you use a 100% Profit Boost Token on a wager, you get double the profit if you win. You can bet up to $25 with a boosted bet, and the upper limit on winnings is $2,500. These Profit Boost Tokens expire after 14 days.
4. Fanatics Sportsbook
- Fanatics Sportsbook Promo: Click Here
- Fanatics Sportsbook Bet-and-Get Welcome Offer: Bet $30, Get $300 in Bonus Bets
- Fanatics Sportsbook No Sweat Bets Welcome Offer: $1,000 in No Sweat Bets
- Fanatics Sportsbook NY Welcome Offer: 300% Profit Boost Token
- Fanatics Sportsbook States Available: AZ, CO, CT, DC, IA, IN, KS, KY, LA, MA, MD, MI, NJ, OH, PA, TN, VA, VT, WV, WY
The Fanatics Sportsbook promo delivers three total March Madness betting promos for NCAAB wagers. You get to choose your own offer, and the offers available to you depend on the state you're in.
$300 Bet-and-Get Offer (Available in AZ, CO, CT, IN, LA, MA, MD, MI, NJ, PA, TN, VA, WV)
With the bet-and-get offer, you receive $300 in bonus bets with a $30 stake over three days. Bet $10 on any March Madness matchup on each of your first three days with Fanatics Sportsbook to get $100 in bonus bets each day. You get the bonus bets even if your $10 bet loses.
Up to $1,000 in No Sweat Bets (Available in AZ, CO, CT, DC, IA, IL, IN, KS, KY, LA, MA, MD, MI, NC, NJ, OH, PA, TN, VA, VT, WV, and WY)
The $1,000 in No Sweat Bets offer is the most widely available Fanatics Sportsbook promo, as it is active in 22 states. This promotion banks $1,000 in No Sweat Bets over 10 days. You get a $100 No Sweat Bet on each of those days. When you use a No Sweat Bet, it returns up to $100 in bonus bets if it loses. There is an odds restriction on each No Sweat Bet: it must be made on odds of -500 or longer.
300% Profit Boost Token (Available in NY)
Sign up with the Fanatics Sportsbook promo in New York to receive a 300% Profit Boost Token. With the 300% Profit Boost Token active, you can bet up to $50 on any March Madness betting market, and get triple the winnings if your wager is successful.
Alternatives to the top March Madness Betting Promos
1. Kalshi Predictive Market
- Kalshi Promo Code: ACTION
- Kalshi Welcome Offer: Make $100 in Trades, Get $10 Sign-Up Bonus
- Kalshi States Available: All 50 States + Washington D.C.
The Kalshi sports trading platform lets you make futures-style predictions on any sports events. There are also plenty of other markets involving outcomes for politics, cryptocurrency, and more. Use the Kalshi promo code ACTION today and spend $100 on the platform to get a $10 bonus. The $10 bonus can be used to buy more shares on the platform.
2. Underdog Fantasy
- Underdog Fantasy Promo Code: TOPACTION
- Underdog Fantasy Welcome Offer: 50% Deposit Match, Up to $1,000 in Bonus Funds
- Underdog Fantasy States Available: AL, AK, AZ, AR, CA, DC, DE, GA, IL, KS, KY, MA, MN, MO, NE, NM, NC, ND, OK, OR, RI, SC, SD, TN, TX, UT, VT, VA, WI, WV, WY
The Underdog Fantasy promo code TOPACTION delivers a $1,000 first deposit match promo for March Madness. This is a 50% deposit match, so you must put in $2,000 or more to max out the offer and get $1,000 in bonus cash for March Madness games.