Boost Profits With Caesars Sportsbook March Madness Promo Code THELINESDYW

Written By Road to CFB | Published at March 19, 2025
Caesars promo
North Carolina's Seth Trimble (7) celebrates with teammates after a 3-point basket during a First Four game against San Diego State in the NCAA Tournament on Tuesday in Dayton, Ohio. (AP photo / Jeff Dean)

March Madness is finally here. In celebration, Caesars Sportsbook is offering a promo to help boost your winnings throughout the NCAA Tournament.

New users can bet just $1 and receive ten 100% profit boosts — essentially, double your potential winnings for 10 bets. Use the promo code THELINESDYW at sign-up to receive this Caesars welcome bonus.

Caesars Bet $1, Double your Winnings on your Next 20 Wagers. Up to $25 Max Bet Per Boost
Code: TLCSPO20X Copied!
Play Now Caesars Promo
21+ New users only. Must register using eligible promo code. First bet after registration must qualify. Max. Bonus Bet: $1,000. Bonus Bet expires 14 days after receipt. Void where prohibited. See Caesars.com/promos for full terms. Gambling Problem? 1-800-GAMBLER (1-800-426-2537)

How To Claim the Caesars Sportsbook March Madness Promo

New users are eligible for Caesars' latest bonus. Start by downloading the Caesars Sportsbook app from the App Store (iOS) or Google Play (Android) and creating a free account. You'll need to provide your legal name, street address, birthdate, and the last four digits of your Social Security number at sign-up. This information is necessary to validate both your identity and eligibility. Most sportsbooks and states require users to be at least 21 years old.

When entering sensitive information like personal identifiers and bank account, we strongly recommend using a password-protected internet connection.

Once your account is set, navigate to Caesar's promotions tab or click PLAY NOW in the banner above. Use code THELINESDYW to opt into the promo. Next, it's time to make your first deposit. Caesars accepts a number of methods for deposits:

Always read the terms and conditions before making your first deposit.

How Does The Caesars March Madness Bonus Work?

Once you've made your first deposit, place your first bet of at least $1 on any market. Caesars will award your account with 10 100% profit boosts to use on any market moving forward.

Apply a profit boost (see "eligible promotions") when placing a bet. Note: Be sure to do this before you click "BET." If your wager wins, Caesars will double your winnings as site credit to use on another wager. Be sure to use all 10 before they expire!

Expert Picks For March Madness

Follow along with our coverage of March Madness odds all tournament long. College hoops expert Eli Hershkovich will provide analysis on every game and picks for every round of the NCAA Tournament.