March Madness has officially begun, and it is the perfect time to get over $3,600 in bonuses from the best March Madness betting promos. There are some elite games on the horizon today, such as UC San Diego vs. Michigan at 10 p.m. ET and UNC Wilmington vs. Texas Tech at 10:10 p.m. ET.
There are different types of March Madness betting promos across multiple sportsbooks like bet365, BetMGM, Caesars Sportsbook and Fanatics Sportsbook. Offers include bet-and-gets, deposit matches, first bet offers, and profit boost tokens.
Before you register and make your college basketball picks for March Madness games today, take a look at our NCAAB odds.
Refer to the table below to look at which best March Madness betting promos appeal to you ahead of any college basketball games.
| 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 |
College Basketball March Madness Betting Promos
Use this guide to decide which of the best March Madness betting promos you want to sign-up with. Register today with one or all promos to get more than $3,600 in value for March Madness games. Other betting markets include NBA and NHL games, as well as NFL futures.
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 lets you select among twoMarch Madness betting promos in AZ, CO, IA, IL, IN, KY, LA, NC, NJ, OH, TN, and VA. The two available sign-up bonus offers are a $150 bet-and-get offer or a $1,000 First Bet Safety Net.
The $150 bet-and-get deal is fairly straightforward. Sign up and claim $150 in bonus bets—win or lose. To do so, simply place a wager on -500 odds or longer. If you're in Pennsylvania the bet365 sign-up bonus also includes 50 spins for bet365 Casino slots.
With the $1,000 First Bet Safety Net, you get a first bet insurance offer. Bet on any March Madness betting market, and if your bet loses you get up to $1,000 in bonus bets back. The amount you get is equal to the stake on your first bet.
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
Grab one of three March Madness betting promos with BetMGM Sportsbook. Your three options are a bet-and-get offer, a deposit match, and a first-bet promo. Not every offer is accessible in every location.
Bet $10, Win $150 in Bonus Bets (Available in CO, MI, NJ, PA, and WV):
Bet $10 with the BetMGM bonus code ACTIONGET on any March Madness betting market to get $150 in bonus bets if the wager wins. You don't receive any bonus bets if the wager loses.
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):
Activate the BetMGM bonus codeTOPTAN1600 to get a 20% first deposit match offer for March Madness games. This offer has a maximum value of $1,600 in sports bonus. To get that amount, make a first deposit of $8,000 or more. This promotion also has a 10x rollover restriction, which means you must wager 10x what you receive in sports bonus before any cash is 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):
Unlock a $1,500 first bet offer through the BetMGM bonus code TOPACTION. Bet on any March Madness matchup. If the bet is unsuccessful, you get up to $1,500 in bonus bets back. The amount you receive from the BetMGM promo is equal to the stake.
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
Activate one of two March Madness betting promos with the Caesars Sportsbook promo code. You get a conditional bet-and-get promo or 10 100% Profit Boost Tokens for the March Madness slate tonight.
The Caesars Sportsbook promo code ACTION4BG1 delivers a $150 bet-and-get offer. This promotion grants $150 in bonus bets if you win your first bet of $1 or more on March Madness or any other game. The $150 in bonus bets come as six $25 bonus bet credits which expire after 30 days.
Your other offer comes from Caesars Sportsbook promo code ACTION4DYW. This promotion grants 10 100% Profit Boost Tokens with a $1 wager.
The 100% Profit Boost Tokens double your profit on a winning wager. The maximum stake on a boosted bet is $25, and the most you can win is $2,500.
4. Fanatics Sportsbook
- Fanatics Sportsbook Promo: Activate 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
There are three available March Madness betting promos right now with Fanatics Sportsbook. Register with the Fanatics Sportbook promo and choose your own offer. The options available to you depend on your location.
$300 Bet-and-Get Offer (Available in AZ, CO, CT, IN, LA, MA, MD, MI, NJ, PA, TN, VA, WV):
Grab $300 in bonus bets over three days with the bet-and-get promo. Bet $10 on each of those days, to get $100 in bonus bets each day, no matter what.
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):
With this Fanatics Sportsbook promo, you get a No Sweat Bet for 10 straight days. When a No Sweat Bet loses, you get up to $100 in bonus bets back, equal to your stake. Your No Sweat Bet must be made on odds of -500 or longer.
300% Profit Boost Token (Available in NY):
This offer is exclusive to new sign-ups in New York. This promotion grants a 300% Profit Boost Token. This lets you bet $50 or less on any sports betting market, including March Madness games. With a winning bet, you get triple the profit.
Alternatives to 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.
Kalshi is a sports trading platform that lets you make predictions regarding March Madness and other major sports outcomes. Sign up with the Kalshi promo code ACTION and buy $100 worth of shares or more to get a $10 bonus to continue making trades on March Madness or any other listed markets.
2. Underdog Fantasy (DFS)
- 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
Begin your DFS journey with the Underdog Fantasy promo code TOPACTION and and get a 50% first deposit match offer. This promotion grants up to $1,000 in bonus cash. Create your first entry with picks from March Madness gams today once you receive your bonus cash.
