A money market account combines the earning power of your savings account with access to your checking features for a more versatile account. Discover offers money market accounts that include ATM access, a debit card, and the ability to write checks. Discover's money market accounts are free of fees and have no minimum balance requirements. This allows you to earn more interest than you would with a traditional checking account, making it an excellent opportunity to grow and expand your financial portfolio without taking on too much risk.