March Madness Betting Promos: $7,000 in Bonus Offers for Sweet 16

March Madness rolls into the Sweet 16 on Thursday, March 26 and Friday, March 27, creating a prime window to lock in value before tip-off. Right now, you can sign up early and access more than $7,000 in March Madness betting promos across top sportsbooks.

These March Madness betting promos deliver significant bonus value as you place wagers on the final stages of the college basketball season. In total, bettors can unlock over $7,000 in combined sportsbook promos for March Madness from the best sports betting sites like Fanatics Sportsbook, BetMGM, DraftKings, FanDuel, bet365, Hard Rock Bet, Caesars Sportsbook, and theScore Bet.

Use the sign-up modules below to register and claim the latest March Madness betting promos ahead of the Sweet 16, beginning with Texas vs. Purdue at 7:10 p.m. ET on CBS on Thursday, March 26, 2026.

Latest Sportsbook Promos for March Madness and Sweet 16

NCAAB Sportsbooks	Promo Code
Fanatics Sportsbook – Get up to $1,000 Matched in FanCash	LABSBONUS
BetMGM – 20% Deposit Match, up to $1,500 in Sports Bonus	LABSNEWS1500
DraftKings – Bet $5, Get $200 in Bonus Bets Instantly + 100% Profit Boost Token for NCAA Tournament	Click Here
FanDuel – Get up to $3,000 Back in Bonus	Click Here
bet365 – $365 Bet-and-Get or $1,000 First Bet Safety Net	Click this link
Hard Rock Bet Promo Code – Get 10 x 100% Profit Boost Tokens	Click Here
Caesars Sportsbook – Bet $1, Double Your Winnings on Your Next 10 Wagers	LABSNEWSDYW
theScore Bet Promo Code – $1,000 First Bet Reset	LABSNEWS

Latest March Madness Betting Promos for the Sweet 16 This Week

Claim a sign-up offer from each sportsbook below to unlock more than $7,000 in March Madness betting promos. Use these bonuses across any Sweet 16 matchup, starting with Texas vs. Purdue on Thursday at 7:10 p.m. ET on CBS.

Fanatics Sportsbook Promo Code LABSBONUS: Top Sweet 16 Offer This Week

Access up to five different March Madness promos (based on your state) with the Fanatics Sportsbook promo code LABSBONUS. The most popular option is the $200 bet-and-get deal—place a $5 wager and receive $200 in FanCash instantly. You can convert FanCash into bonus bets or use it on official merchandise. This offer is available via this link in AZ, CO, CT, DC, IA, IN, KS, KY, LA, MA, MD, MI, MO, NJ, OH, PA, VA, VT, WV, and WY.

Best BetMGM Bonus Code for Sweet 16 Betting

BetMGM offers one of the highest-value March Madness betting promos for March Madness with the BetMGM bonus code LABSNEWS1500. This deal provides a 20% deposit match up to $1,500 in bonus funds. Use these funds to wager on Sweet 16 matchups and other major sporting events.

DraftKings Promo Code for Sweet 16 College Basketball Bets

Take advantage of one of the top college basketball betting promos by using the DraftKings promo code. Place a $5 first bet to receive $200 in bonus bets instantly. You also get a 100% Profit Boost Token for the NCAA Tournament.

How to Unlock $3,000 from the FanDuel Promo Code for the Sweet 16

Don’t miss this opportunity to claim one of the top FanDuel sportsbook promos for March Madness via this link. With the latest FanDuel promo code, you can bet on Sweet 16 games and other NCAAB odds. This offer lets you receive up to $300 back in bonus bets each day for 10 days if your bet loses.

In Indiana and Virginia, users can also access a separate offer of up to $1,000 in bonus bets through the module below.

Claim the bet365 Bonus Code for Sweet 16 Action

The bet365 bonus code unlocks up to $1,000 in total value from the best sportsbook promos for March Madness when you sign up today via the links below. Choose between a $365 bet-and-get promo or $1,000 First Bet Safety Net in AZ, CO, IA, IN, KS, KY, LA, NC, OH, TN, and VA. In PA and NJ, you’ll receive a $365 bonus plus extra casino perks, while Illinois users can claim a $150 bet-and-get promo.

Get Profit Boost Tokens for the Sweet 16 with Hard Rock Bet

The Hard Rock Bet promo code offers strong value for bettors in NJ and MI. Sign up to receive 10 100% Profit Boost Tokens from this sportsbook promo for March Madness. These tokens allow you to double winnings on wagers of $50 or less.

Caesars Sportsbook Promo Code for Sweet 16 Profit Boosts

Use the Caesars Sportsbook promo code LABSNEWSDYW to claim a top-tier March Madness offer with this link. Place a $1 first bet and receive 10 100% Profit Boost Tokens. These tokens can be applied to your next 10 wagers of $25 or less.

Use theScore Bet Promo Code LABSNEWS to Wager on March Madness

The theScore Bet promo code LABSNEWS adds up to $1,000 in bonus value. Place your first bet with one of the best March Madness betting promos and receive up to $1,000 back in bonus bets if your wager loses.

Kalshi Promo Code LABS: $10 Bonus for College Basketball Markets

For an alternative to March Madness betting promos, use the Kalshi promo code LABS. Create an account and complete a $10 trade to receive a $10 bonus. Then, use your bonus across Sweet 16 college basketball prediction markets.

Underdog Promo Code LABSNEWS: DFS Alternative for Sweet 16

If you’re in a state where sports betting is unavailable or want to stack additional value, use the Underdog promo code LABSNEWS. Enter a $5 fantasy lineup for the Sweet 16 games. Once you do so, you receive $50 in fantasy bonus entries to use on future contests. This is one of the best alternatives to the March Madness betting promos today.