March Madness has arrived and you can now take advantage of excellent sign-up offers for the NCAA Tournament. Claim the best March Madness betting promos at some of the best online sports betting apps on the market, including Fanatics Sportsbook, BetMGM, and FanDuel.
The top March Madness betting promos combine for over $7,000 in bonuses. Keep in mind that these sign-up offers are exclusively available to new users at each sportsbook. Take a look at the chart below for additional information regarding the best college basketball betting promos that are up for grabs on Thursday, March 19.
| Top NCAAB Sportsbooks | March Madness Betting Promos | Sign-Up Link |
|---|---|---|
| Fanatics Sportsbook | Bet $5, Get $200 FanCash Instantly + Profit Boost Tokens | Click Here |
| BetMGM | Get Up to $1,500 Back in Bonus Bets if Your First Bet Doesn’t Win | Click Here |
| DraftKings | Bet $5, Get $200 in Bonus Bets + 100% NCAA Tournament Winner Profit Boost | Click Here |
| FanDuel | Get Up To $300 Back in Bonus Bets | Click Here |
| bet365 | Bet $10, Get $365 in Bonus Bets Win or Lose | Click Here |
| Hard Rock Bet | Get 10x 100% Profit Boost Tokens | Click Here |
| Caesars Sportsbook | Bet $1+, Double Your Winnings Your Next 10 Wagers | Click Here |
| theScore Bet | $1,000 First Bet Reset | Click Here |
Updated on 3/19/26
Fanatics Sportsbook
Bet $5 Get $200 FanCash Instantly + Profit Boost Tokens!
New customers in AZ, CO, CT, DC, IA, IN, KS, KY, LA, MA, MD, MI, MO, NJ, OH, PA, VA, VT, WV, WY. Must toggle on this promotion in your bet slip and wager $5+ cash on any market (min. odds -500) within 7 days of account opening to receive $200 in FanCash. Promotional FanCash expires 7 days from issuance (at 11:59pm ET). Terms, including FanCash terms apply-see Fanatics Sportsbook app.
Updated on 3/19/26
BetMGM
Bet $10 Get $150 in Bonus Bets if You Win!
21+. Gambling problem? Call 1-800-GAMBLER or 1-800-MY-RESET. Offer available in MI, NJ, PA, WV. Please Gamble Responsibly. Subject to eligibility requirements. Bonus bets are non-withdrawable. In partnership with Kansas Crossing Casino and Hotel. This promotional offer is not available in DC, MS, NY, NV, ON, or PR. Visit BetMGM.com for Terms & Conditions.
Updated on 3/19/26
DraftKings
Bet $5, Get $200 in Bonus Bets + 100% NCAA Tournament Winner Profit Boost!
GAMBLING PROBLEM? CALL 1-800-GAMBLER or 1-800-MY-RESET, (800) 327-5050 or visit gamblinghelplinema.org (MA). Call 877-8-HOPENY/text HOPENY (467369) (NY). Please Gamble Responsibly. 888-789-7777/visit ccpg.org (CT), or visit www.mdgamblinghelp.org (MD), 1-800-981-0023 (PR). 21+ and present in most states. (18+ DC/KY/NH/PR/WY). Void in NH/OR/ONT/PR. Eligibility restrictions apply. On behalf of Boot Hill Casino (KS). Pass-thru of per wager tax may apply in IL. 1 per new customer. $5+ first-time bet req. Max. $200 issued as non-withdrawable Bonus Bets that expire in 7 days (168 hours). Stake removed from payout. Terms: http://sportsbook.draftkings.com/promos. Ends 4/6/26 at 11:59 PM ET.
Updated on 3/19/26
Caesars
Bet $1+, Double Your Winnings Your Next 10 Wagers!
Must be 21+ and physically present in AZ, CO, IL, IN, IA, KS, KY, LA, ME, MD, MA, MI, MO, NJ, NY, NC, OH, PA, TN, VA, WV, WY, or Washington, DC. New users only. Must register using eligible promo code. Min. qualifying bet amount: $1. Tokens max. bet amount: $25 per token. Tokens bet max. add'l winnings: $2,500 per token. Token(s) expire 14 days after receipt. Not reissued for voided/pushed bets. Void where prohibited. See Caesars.com/promos for full terms. Know When To Stop Before You Start®. Gambling Problem? CO, IL, KY, MD, MI, MO, NJ, TN, VA, WV, WY, KS, ME, NC, PA: If you or someone you know has a gambling problem, crisis counseling and referral services can be accessed by calling 1-800-GAMBLER ( 1-800-426-2537 ) or MD: visit mdgamblinghelp.org or WV: visit 1800gambler.net; AZ: Call 1-800-NEXT-STEP; IN: Call 1-800-9-WITH-IT; IA: Call 1-800-BETSOFF; LA, Washington, DC: Call 1-800-MY-RESET. ©2026, Caesars Entertainment
Updated on 3/19/26
theScore Bet
Bet $10, Get $100 in Bonus Bets If You Win!
New users only, 21+. Gambling problem? Call 1-800-GAMBLER. Must be physically present in MI, NJ, PA, WV in order to wager. Players must sign up using a specified Promotion code and then place an Eligible Wager on an Eligible Game during the Promotion Period. Bonus Bets will be credited if your bet wins. Please Gamble Responsibly.
March Madness Betting Promos: Claim Over $7,000 in Combined Bonuses for NCAA Tournament Games
Let’s take a look at the best March Madness betting promos to take advantage of today to secure over $7,000 in combined bonuses. Simply create a new account at each sportsbook and bet on today’s NCAA Tournament games.
Fanatics Sportsbook
Register for a new account today with the Fanatics Sportsbook promo code LABSBONUS today to claim one of three valuable March Madness betting promos. In New York, there are two other state-exclusive welcome bonuses available.
| Fanatics Sportsbook Promo | States Available | Fanatics Sportsbook Promo Code |
|---|---|---|
| Bet $5, Get $200 FanCash Instantly + Profit Boost Tokens | AZ, CO, CT, DC, IA, IN, KS, KY, LA, MA, MD, MI, MO, NJ, OH, PA, VA, VT, WV, WY | LABSBONUS |
| Get Up To $1,000 Matched in FanCash | AZ, CO, CT, DC, IA, IL, IN, KS, KY, LA, MA, MD, MI, MO, NC, NJ, OH, PA, TN, VA, VT, WV, WY | LABSBONUS |
| Bet $5, Get $400 FanCash | NC, TN | LABSBONUS |
| Sign Up and Get a 100% Profit Boost Token For 5 Days | NY | LABSBONUSNY |
| Bet and Get Up to $250 in No Sweat Bets FanCash | NY | LABSBONUSNY |
Updated on 3/19/26
Fanatics Sportsbook
Bet $5 Get $200 FanCash Instantly + Profit Boost Tokens!
New customers in AZ, CO, CT, DC, IA, IN, KS, KY, LA, MA, MD, MI, MO, NJ, OH, PA, VA, VT, WV, WY. Must toggle on this promotion in your bet slip and wager $5+ cash on any market (min. odds -500) within 7 days of account opening to receive $200 in FanCash. Promotional FanCash expires 7 days from issuance (at 11:59pm ET). Terms, including FanCash terms apply-see Fanatics Sportsbook app.
Updated on 3/19/26
Fanatics Sportsbook
Get Up To $1000 Matched in FanCash!
New customers in AZ, CO, CT, DC, IA, IL, IN, KS, KY, LA, MA, MD, MI, MO, NC, NJ, OH, PA, TN, VA, VT, WV, WY. Apply promotion in bet slip and place a $1+ cash wager (min odds -200) daily for 10 consecutive days starting day of account creation. FanCash rewards will equal the qualifying wager amount (max $100 FanCash/day). FanCash issued under this promotion expires at 11:59 p.m. ET 7 days from issuance. Terms, incl. FanCash terms, apply—see Fanatics Sportsbook app.
Updated on 3/19/26
Fanatics Sportsbook
Bet $5 Get $400 FanCash!
New customers in NC and TN. Must toggle on this promotion in your bet slip and wager $5+ cash on any market (min. odds -500) within 7 days of account opening to receive $100 in FanCash each day for your first 4 days. Must opt in each day to claim FanCash. FanCash issued in connection with this Promotion expires 24 hours from issuance. Terms, including FanCash terms apply-see Fanatics Sportsbook app.
Updated on 3/19/26
Fanatics Sportsbook
Sign Up and Get a 100% Profit Boost Token For 5 Days!
21+. New customers in IL, NY only. Must create an account to receive one (1) 100% Profit Boost token per day for 5 days straight (max stake $25; min. odds -500 or longer). Profit Boost Tokens must be applied in bet slip & expire 24 hours from issuance. See full Promo Terms in the Fanatics Sportsbook app.
Updated on 3/19/26
Fanatics Sportsbook
Bet and Get up to $250 in No Sweat Bets FanCash!
New NY customers only. Apply promotion in bet slip and place a $1+ cash wager (min odds -500) daily for 10 consecutive days starting at account creation. Wager must settle as a loss to earn FanCash equal to wager (max $25 FanCash/day). FanCash from this Promotion expires at 11:59 p.m. ET 7 days from the date of issuance. Terms, incl. FanCash terms, apply—see Fanatics Sportsbook app.
BetMGM
Sign up with the BetMGM bonus code to take advantage of one of three top-tier March Madness betting promos.
| BetMGM Promo | States Available | BetMGM Bonus Code |
|---|---|---|
| Bet $10, Get $150 in Bonus Bets if You Win | MI, NJ, PA, WV | FLNEWSGET |
| Get Up to $1,500 Back in Bonus Bets if Your First Bet Doesn’t Win | AZ, CO, DC, IA, IL, IN, LA, KS, KY, MA, MD, MI, NC, NJ, OH, PA, TN, VA, WV, WY | LABSTOP |
| Get a 20% First Deposit Match Up to $1,500 in Sports Bonus | AZ, CO, DC, IA, IN, KS, KY, MA, MD, MI, MO, NC, NJ, PA, TN, WV, WY | LABSNEWS1500 |
Updated on 3/19/26
BetMGM
Bet $10 Get $150 in Bonus Bets if You Win!
21+. Gambling problem? Call 1-800-GAMBLER or 1-800-MY-RESET. Offer available in MI, NJ, PA, WV. Please Gamble Responsibly. Subject to eligibility requirements. Bonus bets are non-withdrawable. In partnership with Kansas Crossing Casino and Hotel. This promotional offer is not available in DC, MS, NY, NV, ON, or PR. Visit BetMGM.com for Terms & Conditions.
Updated on 3/19/26
BetMGM
Get up to $1,500 Back in Bonus Bets if Your First Bet Doesn't Win!
21+. Gambling problem? Call 1-800-GAMBLER or 1-800-MY-RESET. AZ, CO, DC, IA, IL, IN, LA, KS, KY, MA, MD, MI, NC, NJ, OH, PA, TN, VA, WV, WY. Call 877-8-HOPENY or text HOPENY (467369) (NY). Call 1-800-327-5050 (MA), 1-800-BETS-OFF (IA), 1-800-981-0023 (PR). Please Gamble Responsibly. Call 1-800-NEXT-STEP (AZ), 1-800-522-4700 (KS, NV), 1-800-BETS-OFF (IA). First Bet Offer for new customers only (if applicable). Subject to eligibility requirements. Bonus bets are non-withdrawable. In partnership with Kansas Crossing Casino and Hotel. This promotional offer is not available in DC, MS, NY, NV, ON, or PR. Visit BetMGM.com for Terms & Conditions.
Updated on 3/19/26
BetMGM
Get a 20% First Deposit Match up to $1,500 in Sports Bonus!
21+. Gambling problem? Call 1-800-GAMBLER or 1-800-MY-RESET. AZ, CO, DC, IA, IN, KS, KY, MA, MD, MI, MO, NC, NJ, PA, TN, WV, WY. Call 877-8-HOPENY or text HOPENY (467369) (NY). Call 1-800-327-5050 (MA), 1-800-BETS-OFF (IA), 1-800-981-0023 (PR). Please Gamble Responsibly. Call 1-800-NEXT-STEP (AZ), 1-800-522-4700 (KS, NV), 1-800-BETS-OFF (IA). Subject to eligibility requirements. Bonus bets are non-withdrawable. In partnership with Kansas Crossing Casino and Hotel. This promotional offer is not available in DC, MS, NY, NV, ON, or PR. Visit BetMGM.com for Terms & Conditions.
DraftKings
Register with the DraftKings promo code to secure one of the best March Madness betting promos today.
| DraftKings Promo | States Available | DraftKings Promo Code |
|---|---|---|
| Bet $5, Get $200 in Bonus Bets + 100% NCAA Tournament Winner Profit Boost | AZ, CO, DC, IA, IL, IN, KS, KY, LA, MA, MD, MI, MO, NC, NJ, NY, OH, PA, TN, VA, VT, WV, WY | Click Here |
Updated on 3/19/26
DraftKings
Bet $5, Get $200 in Bonus Bets + 100% NCAA Tournament Winner Profit Boost!
GAMBLING PROBLEM? CALL 1-800-GAMBLER or 1-800-MY-RESET, (800) 327-5050 or visit gamblinghelplinema.org (MA). Call 877-8-HOPENY/text HOPENY (467369) (NY). Please Gamble Responsibly. 888-789-7777/visit ccpg.org (CT), or visit www.mdgamblinghelp.org (MD), 1-800-981-0023 (PR). 21+ and present in most states. (18+ DC/KY/NH/PR/WY). Void in NH/OR/ONT/PR. Eligibility restrictions apply. On behalf of Boot Hill Casino (KS). Pass-thru of per wager tax may apply in IL. 1 per new customer. $5+ first-time bet req. Max. $200 issued as non-withdrawable Bonus Bets that expire in 7 days (168 hours). Stake removed from payout. Terms: http://sportsbook.draftkings.com/promos. Ends 4/6/26 at 11:59 PM ET.
FanDuel
Register today with the FanDuel promo code and bet with one of the best March Madness betting promos.
| FanDuel Promo | States Available | FanDuel Promo Code |
|---|---|---|
| Get Up To $300 Back in Bonus Bets | AZ, CO, CT, DC, IL, IA, KS, KY, LA, MA, MD, MI, MO, NC, NJ, NY, OH, PA, TN, VT, WV, WY | Click Here |
| Bet & Get Up to $1,000 in Bonus Bets | IN, VA | Click Here |
bet365
Create a new account with the bet365 bonus code LABS365 to claim one of two March Madness betting promos in most states, or grab a state-exclusive offer in Illinois, New Jersey, and Pennsylvania. You must click the links and modules in this section to secure your promo.
| bet365 Promo | States Available | bet365 Bonus Code |
|---|---|---|
| Bet $10, Get $365 in Bonus Bets Win or Lose | AZ, CO, IA, IN, KS, KY, LA, MD, MO, NC, NJ, OH, PA, TN, VA | LABS365 |
| Get a First Bet Safety Net up to $1,000 in Bonus Bets | AZ, CO, IA, IL, IN, KS, KY, LA, MD, MO, NC, OH, TN, VA | LABS365 |
| Bet $10, Get $365 in Bonus Bets Win or Lose + 50 Casino Spins | NJ, PA | LABS365 |
| Bet $5, Get $150 in Bonus Bets Win or Lose | IL | LABS365 |
Updated on 3/19/26
bet365
Get a First Bet Safety Net up to $1,000 in Bonus Bets!
Deposit Required. Paid in Bonus Bets. Bonus Bets wager excluded from returns. New Customers Only. T&Cs, time limits, and exclusions apply. 21+ (18+ in KY). Gambling Problem? Call 1-800-GAMBLER. Available in AZ, CO, IA, IL, IN, KS, KY, LA, MD, MO, NC, OH, TN, VA only. Place a qualifying bet of up to $1000 to be eligible for a matched refund in Bonus Bets if your qualifying bet loses.
Updated on 3/19/26
bet365
Bet $10, Get $365 in Bonus Bets Win or Lose + 50 Casino Spins!
Deposit Required. Paid in Bonus Bets. Bonus Bets wager excluded from returns. New Customers Only. T&Cs, time limits, and exclusions apply. 21+. Gambling Problem? Call 1-800-GAMBLER. Available in NJ and PA only. Minimum odds -500 of greater. Bonus Bets wager excluded from returns.
Hard Rock Bet
Use the Hard Rock Bet promo code to secure a $100 bonus to bet on any game during the First Round of March Madness.
| Hard Rock Bet Promo | States Available | Hard Rock Bet Promo Code |
|---|---|---|
| Get 10x 100% Profit Boost Tokens | MI, NJ | Click Here |
Caesars Sportsbook
When you register with the Caesars Sportsbook promo code LABSNEWSDYW, secure one of the most unique March Madness betting promos.
| Caesars Sportsbook Promo | States Available | Caesars Sportsbook Promo Code |
|---|---|---|
| Bet $1+, Double Your Winnings Your Next 10 Wagers | AZ, CO, DC, IA, IL, IN, KS, KY, LA, MA, MO, MD, ME, MI, NC, NJ, NY, OH, PA, TN, VA, WV, WY | LABSNEWSDYW |
Updated on 3/19/26
Caesars
Bet $1+, Double Your Winnings Your Next 10 Wagers!
Must be 21+ and physically present in AZ, CO, IL, IN, IA, KS, KY, LA, ME, MD, MA, MI, MO, NJ, NY, NC, OH, PA, TN, VA, WV, WY, or Washington, DC. New users only. Must register using eligible promo code. Min. qualifying bet amount: $1. Tokens max. bet amount: $25 per token. Tokens bet max. add'l winnings: $2,500 per token. Token(s) expire 14 days after receipt. Not reissued for voided/pushed bets. Void where prohibited. See Caesars.com/promos for full terms. Know When To Stop Before You Start®. Gambling Problem? CO, IL, KY, MD, MI, MO, NJ, TN, VA, WV, WY, KS, ME, NC, PA: If you or someone you know has a gambling problem, crisis counseling and referral services can be accessed by calling 1-800-GAMBLER ( 1-800-426-2537 ) or MD: visit mdgamblinghelp.org or WV: visit 1800gambler.net; AZ: Call 1-800-NEXT-STEP; IN: Call 1-800-9-WITH-IT; IA: Call 1-800-BETSOFF; LA, Washington, DC: Call 1-800-MY-RESET. ©2026, Caesars Entertainment
theScore Bet
Register with theScore Bet promo code LABSNEWS today to take advantage of one of the best March Madness betting promos.
| theScore Bet Promo | States Available | theScore Bet Promo Code |
|---|---|---|
| Bet Reset Up to $1000 | AZ, CO, IA, IL, IN, KS, KY, LA, MA, MD, MO, NC, OH, TN, VA | LABSNEWS |
| Bet $10, Get $100 in Bonus Bets If You Win | MI, NJ, PA, WV | LABSNEWS |
Updated on 3/19/26
theScore Bet
Bet $10, Get $100 in Bonus Bets If You Win!
New users only, 21+. Gambling problem? Call 1-800-GAMBLER. Must be physically present in MI, NJ, PA, WV in order to wager. Players must sign up using a specified Promotion code and then place an Eligible Wager on an Eligible Game during the Promotion Period. Bonus Bets will be credited if your bet wins. Please Gamble Responsibly.
Updated on 3/19/26
theScore Bet
Bet Reset up to $1000!
New users only, 21+. Gambling problem? Call 1-800-GAMBLER. Must be physically present in AZ, CO, IA, IL, IN, KS, KY, LA, MA, MD, MO, NC, OH, TN, and VA in order to wager. Players must sign up using a specified Promotion code and then place an Eligible Wager on an Eligible Game during the Promotion Period. Please Gamble Responsibly.
Best Alternative to March Madness Betting Promos: Kalshi
Kalshi is a legal, innovative sports trading platform that represents one of the top alternative options to online sports betting for March Madness. Sign up with the Kalshi promo code LABS today to make picks on any game and score a $10 bonus.
| Kalshi Referral Bonus | States Available | Kalshi Promo Code |
|---|---|---|
| Trade $10, Get $10 | AL, AK, AR, CA, CO, CT, DE, FL, GA, HI, ID, IN, IA, KS, KY, LA, ME, MN, MS, MO, NE, NH, NM, NY, NC, NV, ND, OK, OR, PA, RI, SC, SD, TN, TX, UT, VT, VA, WA, WV, WI, WY, DC | LABS |
