Banks in Saint Marys, West Virginia, the US. Banks locations in Saint Marys, West Virginia. Find the nearest banks locations, near you. All types of business services Accounting ATM Bank Courthouse Finance Insurance Lawyer Real estate School All banks in Saint Marys Union Bank ATM Finance Bank +1 304-684-2427 401 2nd Street, Saint Marys, West Virginia 26170 Write a review Phone Website Directions