In Waltham, Santander Bank is here to help serve your financial needs. More than 2,000 ATMs and a 675-branch network in eight states deliver convenience throughout the Northeast corridor. With checking accounts, money market savings accounts, auto loans, personal loans, online banking, mortgages, and business banking – as well as a full suite of other banking products and services – Santander Bank’s network of 9,800 colleagues is here to help you and your business. Member FDIC. Equal Housing Lender.