Sign in to the Account Center link, then:

1. Click on the “Manage Cards” tab.
   
   
2. Enter the card number of the card you’d like to add, then click the check box to agree to the Eat Around Town by Marriott Bonvoy^TM Terms of Use and Privacy Policy.
   
   
3. Click on the button labeled “ADD CARD.”
   
   

If your new card is replacing an existing, expired credit or debit card, it is best to delete the old card after adding the new one. To do so:

1. Click on the “Manage Cards” tab.
2. Click on the “DELETE” button next to the card you wish to remove.
   
   
3. Click “CONFIRM” on the pop-up asking if you are sure you want to delete your card.