Tonight marks the conclusion of the Sweet 16 with two NCAAB matchups, but it's not too late to claim the best March Madness betting promos. Sign up today and use your welcome bonus to bet on any college basketball game.
The March Madness betting promos offer nearly $4,000 in bonus value from top sportsbooks such as bet365, Fanatics Sportsbook, BetMGM, and Caesars Sportsbook. Tonight, you can bet on Michigan vs. Auburn at 9:39 p.m. ET on CBS, followed by Purdue vs. Houston at 10:09 p.m. ET on TBS.
Don't miss out—capitalize on these premier sportsbook promos and make your wagers on the Sweet 16 in March Madness.
| College Basketball Sportsbooks | March Madness Betting Promos | Sign-Up Link |
|---|---|---|
| bet365 | $150 Bet-and-Get or $1,000 First Bet Safety Net | TOPACTION |
| Fanatics Sportsbook | $300 Bet-and-Get Promo or $1,000 in No Sweat Bets | Click the Link |
| BetMGM | Bet $10, Get $150 in Bonus Bets if You Win | ACTIONGET |
| Caesars Sportsbook | Bet $1, Get 10 100% Profit Boost Tokens | ACTION4DYW |
How to Use Top Sportsbook Promos for NCAA Tournament
1. bet365
- bet365 Bonus Code: TOPACTION
- bet365 Promo: $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
Sign up today using the bet365 bonus code TOPACTION to claim a $1,000 First Bet Safety Net or a $150 bet-and-get promo. You can use these March Madness betting promos in the states listed above, including bet365 Illinois and bet365 Tennessee.
With the First Bet Safety Net promo, you can place your initial wager on any market with -500 odds or longer. If it loses, bet365 reimburses you in bonus bets, up to $1,000. Use your bet365 bonus bets anytime over the next seven days.
The $150 bet-and-get promo only requires a $5 first bet (-500 odds or longer) to unlock $150 in bonus bets, win or lose. This is the only bet365 promo in Pennsylvania, which comes with an additional perk of 50 spins for bet365 Casino.
2. Fanatics Sportsbook
- Fanatics Sportsbook Promo: Claim Here
- Fanatics Sportsbook Bet-and-Get Promo: Bet $30, Get $300 in Bonus Bets
- Fanatics Sportsbook Sign-Up Bonus: $1,000 in No Sweat Bets
- Fanatics Sportsbook NY Sign-Up Bonus: 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
Don't miss out on the March Madness betting promos at Fanatics Sportsbook. You can choose your own offer with the Fanatics Sportsbook promo, featuring $300 in bonus bets or $1,000 in No Sweat Bets.
The $300 bet-and-get promo grants access to $300 in bonus bets over three days. Each day, place a $10 bet on a market with odds of -500 or longer. Win or lose, Fanatics Sportsbook provides you with $100 in bonus bets. Bet $10 daily for three consecutive days to earn $300 in bonus bets. Use this sign-up bonus in AZ, CO, CT, IL, IN, LA, MA, MD, MI, NC, NJ, OH, PA, TN, VA, and WV.
Get up to $1,000 in No Sweat Bets in the following states: AZ, CO, CT, DC, IA, IL, IN, KS, KY, LA, MA, MD, MI, NC, NJ, OH, PA, TN, VA, VT, WV, and WY. Fanatics Sportsbook splits the $1,000 welcome offer over 10 days, offering a daily No Sweat Bet, up to $100. If your No Sweat Bet loses, you get the money back in bonus bets, up to $100. Make sure your wager has odds of -500 or longer.
In New York, you can claim a 300% Profit Boost Token. Sign up today and wager up to $50 on any college basketball game.
3. BetMGM
- BetMGM Bonus Code: ACTIONGET
- BetMGM Promo: Bet $10, Get $150 in Bonus Bets if You Win
- BetMGM Bonus Code: TOPTAN1600
- BetMGM Promo: 20% First Deposit Match, Up to $1,600 in Sports Bonus
- BetMGM Bonus Code: TOPACTION
- BetMGM Promo: $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
Experience the March Madness betting promos at BetMGM with three sign-up bonus offers. Use the BetMGM bonus code to access up to $1,600 in bonus value for NCAAB games.
Use the BetMGM bonus code ACTIONGET and bet $10 on the Sweet 16. If your bet wins, you get your payout plus $150 in bonus bets. Note that if your first bet loses, you won't receive the $150 bonus. Claim this welcome bonus in CO, MI, NJ, PA, and WV.
The BetMGM bonus code TOPTAN1600 offers a 20% first deposit match, up to $1,600 in sports bonus funds. Sign up now and deposit $8,000 or more to unlock the full $1,600 bonus. Use this sign-up offer in AZ, CO, DC, IN, IA, KS, KY, MA, MD, MI, NJ, NC, PA, TN, WV, and WY.
With the BetMGM bonus code TOPACTION, you get a $1,500 first bet offer for any college basketball game. If your initial wager loses, BetMGM returns your bet amount in bonus bets, up to $1,500. Use this BetMGM promo in the same states as the deposit match offer, plus Illinois, Louisiana, Ohio, and Virginia.
4. Caesars Sportsbook
- Caesars Sportsbook Promo Code: ACTION4DYW
- Caesars Sportsbook Sign-Up 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
Check out the Caesars Sportsbook promo code ACTION4DYW to unlock 10 100% Profit Boost Tokens. As one of the top March Madness betting promos, Caesars Sportsbook only requires a $1 first bet to access the Profit Boost Tokens.
Once you have your Profit Boost Tokens, you can use them across any sporting event or betting market. Apply a Profit Boost Token to a game and place a wager of up to $25. If your bet wins, you get double the profit of a standard wager. These Profit Boost Tokens expire after 14 days.
Don't miss out on one of the best sportsbook promos in the following states: AZ, CO, DC, IA, IL, IN, KS, KY, LA, MA, MD, ME, MI, NC, NJ, NY, OH, ON, PA, TN, VA, WV, and WY.
Best Alternative Options to March Madness College Basketball Betting Promos
1. Kalshi Predictive Market
- Kalshi Promo Code: ACTION
- Kalshi Welcome Bonus: Make $100 in Trades, Get $10 Sign-Up Bonus
- Kalshi States Available: AL, AK, AZ, AR, CA, CO, CT, DC, DE, FL, GA, HI, ID, IL, IN, IA, KS, KY, LA, ME, MD, MA, MI, MN, MS, MO, MT, NE, NH, NM, NY, NC, ND, OH, OK, OR, PA, RI, SC, SD, TN, TX, UT, VT, VA, WA, WV, WI, WY
Use the Kalshi promo code ACTION to claim a $10 sign-up bonus. With this welcome offer, you must make $100 in trades to access the $10 bonus. Note, you cannot access this welcome bonus in New Jersey or Nevada.
2. Sleeper Fantasy (DFS)
- Sleeper Fantasy Promo Code: ACTION
- Sleeper Fantasy Sign-Up Offer: Place $5 Lineup, Get $55 in Free Entries
- Sleeper Fantasy States Available: AK, AR, CA, CO, DC, FL, GA, KS, KY, MA, MN, NE, NM, NC, ND, OK, OR, RI, SC, SD, TX, UT, VT, WI, WY
The Sleeper Fantasy promo code ACTION offers a $55 welcome bonus. Sign up and place a $5 lineup on the Sweet 16 games to earn $55 in free entries. Sleeper Fantasy provides this bonus as 11 $5 credits, which expire after 10 days.