Use the top March Madness betting promos today to get over $3,700 in sign-up bonus value for any college basketball games this week. There are several types of March Madness betting promos available, like bet-and-gets, first-bet promos, profit boost offers, and deposit matches.
These March Madness betting promos are available for new sign-ups to bet on NCAAB games tonight. You must create a new account with any given sportsbook to get a sign-up bonus.
Refer to the table here to check out the best March Madness betting promos. Join today and place your college basketball bets today.
| College Basketball Sportsbooks | March Madness Betting Promos | Sign-Up Link |
| bet365 | Bet $5, Get $150 in Bonus Bets, Win or Lose OR $1,000 First Bet Safety Net | LABSNEWS |
| BetMGM | Up to $1,600 in Deposit Match Bonus OR $1,500 First Bet Offer OR Bet $10 Get $150 in Bonus Bets if You Win | LABSNEWS1600 LABSTOP FLNEWSGET |
| Caesars Sportsbook | Bet $1, Get $150 in Bonus Bets If You Win OR 10 100% Profit Boost Tokens | LABSNEWSBG1 LABSNEWSDYW |
| Fanatics Sportsbook | Bet $30, Get $300 in Bonus Bets OR $1,000 in No Sweat Bets | Click Here |
Sign up with the top March Madness betting promos today
Use this guide to register with the best March Madness betting promos available. Get more than $3,700 in value if you sign-up with all available promotions.
1. bet365 Sportsbook
- bet365 bonus code: LABSNEWS (for all offers)
- bet365 sign-up offer(s): Bet $5, Get $150 in Bonus Bets Win or Lose or $1,000 First Bet Safety Net
- States available: AZ, CO, IA, IN, KY, LA, NC, NJ, OH, VA
- bet365 PA bonus code: LABSNEWS
- bet365 sign-up offer: Bet $5, Get $150 in Bonus Bets Win or Lose + 50 Casino Spins
- bet365 IL bonus code: LABSNEWS
- bet365 sign-up offer: Bet $5 Get $150 in Bonus Bets + $50 More if 1+ Point is Scored on Thursday
- bet365 TN bonus code: LABSNEWS
- bet365 sign-up offer: Bet $5 Get $150 in Bonus Bets + $50 More if Tennessee Wins in Round 1
Claim one of two March Madness betting promos when you sign up with the bet365 bonus code LABSNEWS in most states. Grab a $150 bet-and-get promo or a $1,000 First Bet Safety Net now.
Collect $150 in bonus bets from the bet-and-get offer with a $5 first bet. Place your $5 first bet on any March Madness betting market with odds of -500 or longer. The offer grants bonus bets whether your first bet wins or loses.
In PA, IL, and TN, you get an elevated version of the bet-and-get offer from bet365 bonus code LABSNEWS. Each of the state-specific offers gives you an extra bonus on top of your bonus bets.
PA new sign-ups get 50 spins for bet365 Casino slots. In IL, you can place a $50 bet on at least one point to be scored in the first March Madness game at +100 odds. TN users can place a $50 bet on the Tennessee Volunteers to win their first-round game at +100 odds.
The $1,000 First Bet Safety Net banks a first bet insurance offer for any NCAAB game. Place your first bet. If the first bet loses, you get up to $1,000 in bonus bets back. The amount you receive is equivalent to your stake.
2. BetMGM Sportsbook
- BetMGM bonus code: LABSNEWS1600
- BetMGM sign-up offer: 20% First Deposit Match, Up to $1,600 in Sports Bonus
- States available: AZ, CO, DC, IN, IA, KS, KY, MA, MD, MI, NJ, NC, PA, TN, WV, and WY.
- BetMGM bonus code: LABSTOP
- BetMGM sign-up offer: Get up to $1,500 Back in Bonus Bets if Your First Bet Doesn’t Win
- States available: AZ, DC, IA, IL, IN, LA, KS, KY, MA, MD, NC, OH, TN, VA, and WY
- BetMGM bonus code: FLNEWSGET
- BetMGM sign-up offer: Bet $10 Get $150 in Bonus Bets if You Win
- States available: CO, MI, NJ, PA, WV
Sign up with one of two available March Madness betting promos through the BetMGM bonus code. Your choices are a 20% deposit match or a $1,500 first bet offer.
Use the BetMGM bonus code LABSNEWS1600 to grab a 20% first deposit match. This promo is worth up to $1,600 in sports bonus, so you must make a first deposit of $8,000 or more to get the most out of the promotion. This BetMGM promo comes with a 10x rollover requirement. This restriction requires you to bet 10x what you get in sports bonus before any of your cash is withdrawable.
Grab a $1,500 first bet offer from the BetMGM bonus code LABSTOP for any NCAAB bets. Place your first bet on a March Madness betting market, and if it loses you get your stake refunded as bonus bets.
The BetMGM bonus code FLNEWSGET is available in five states. This is a conditional bet-and-get offer that gives out $150 in bonus bets if your first bet of $10 wins.
3. Caesars Sportsbook
- Caesars Sportsbook promo code: LABSNEWSBG1
- Caesars Sportsbook offer: Bet $1, Get $150 in Bonus Bets If You Win
- Caesars Sportsbook states: AZ, CO, DC, IA, IL, KY, LA, MD, ME, NY, OH, TN, VA, WY
- Caesars Sportsbook promo code: LABSNEWSDYW
- Caesars Sportsbook offer: 10 100% Profit Boost Tokens
- Caesars Sportsbook states: AZ, CO, DC, IA, IL, IN, KS, KY, LA, MA, MD, ME, MI, NC, NJ, NY, OH, PA, TN, VA, WV, and WY.
The Caesars Sportsbook promo code LABSNEWSBG1 unlocks a conditional bet-and-get offer. This offer requires you to bet $1 on any sporting event, such as a March Madness game. If your bet wins, you get $150 in bonus bets. You don’t receive any bonus bets with a wager that loses.
Claim10 100% Profit Boost Tokens with the Caesars Sportsbook promo code LABSNEWSDYW. Wager $1 on any NCAAB matchup to receive 10 100% Profit Boost Tokens instantly. When you use a 100% Profit Boost Token on a wager, you get double the profit if it wins.
The maximum stake with a Profit Boost Token is $25. The upper limit on winnings with such a bet is $2,500.
4. Fanatics Sportsbook
- Fanatics Sportsbook promo: Click Here
- Fanatics Sportsbook offer: $1,000 in No Sweat Bets
- States available: AZ, CO, CT, DC, IA, IL, IN, KS, KY, LA, MA, MD, MI, NC, NJ, OH, PA, TN, VA, VT, WV, WY
- Fanatics Sportsbook promo: Click Here
- Fanatics Sportsbook offer: Bet $30 Get $300 in Bonus Bets
- States available: AZ, MI, NJ, PA
- Fanatics Sportsbook promo: Click Here
- Fanatics Sportsbook offer: Get a 300% Profit Boost Token
- States available: NY
Use the Fanatics Sportsbook promo to choose your own option from the sportsbook’s March Madness betting promos. The promotions available to you depend on your location. It is possible to register with the $1,000 in No Sweat Bets promo in all legal Fanatics Sportsbook states, with the exclusion of NY. This promotion delivers a $100 No Sweat Bet on each of your first 10 days on the sportsbook. Place your No Sweat Bet on any March Madness betting market, and if it loses, you get back bonus bets equal to your stake.
Look at the table below to see which Fanatics Sportsbook promo choices are available in your location:
| Fanatics Sportsbook Promo | States Available |
| Up to $1,000 in No Sweat Bets (Click Here) | AZ, CO, CT, DC, IA, IL, IN, KS, KY, LA, MA, MD, MI, NC, NJ, OH, PA, TN, VA, VT, WV, WY |
| Bet $30, Get $300 in Bonus Bets (Click Here) | AZ, MI, NJ, PA |
| Get a 300$ Profit Boost Token (Click Here) | NY |
March Madness betting promos alternatives
Sleeper
- Sleeper promo code: LABSBONUS
- Sleeper offer: Play $5, Get $55 in Free Entries
- 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, and WY.
Register with the Sleeper promo code LABSBONUS to get $55 in free entries for March Madness games. Make a first entry with two to eight college basketball picks from the NCAAB slate. For each pick, determine if the player gets “More” or “Less” than their projection in a statistical category. The more picks in your entry, the higher its payout multiplier. Use the module above to register for an account today with Sleeper, which is one of the top DFS sites on the market alongside PrizePicks and Underdog Fantasy.
The $55 bonus is delivered into your account as 11 $5 playthrough credits. You must deposit $25 with your first transaction to qualify for bonus funds.
Kalshi Sports Trading
- Kalshi promo code: LABS
- Kalshi offer: Place $100 in Trades, Get $10 Sign-Up Bonus
- States available: AL, AK, AZ, AR, CA, CO, CT, DE, FL, GA, HI, ID, IL, IN, IA, KS, KY, LA, ME, MD, MA, MI, MN, MS, MO, MT, NE, NV, NH, NJ, NM, NY, NC, ND, OH, OK, OR, PA, RI, SC, SD, TN, TX, UT, VT, VA, WA, WV, WI, WY, DC
The Kalshi promo code LABS banks a $10 bonus on Kalshi, which is a sports trading platform. You buy shares that represent an outcome for sports events. Essentially, you can make prediction on an event’s outcome. Use $100 on Kalshi markets today to grab the Kalshi sign-up bonus.
