Banks in Leonardtown, Maryland, the US. Banks locations in Leonardtown, Maryland. Find the nearest banks locations, near you. All types of business services Accounting ATM Bank Courthouse Finance Funeral home Insurance Lawyer Real estate School University All banks in Leonardtown Mercantile Bankshares Corporation ATM Finance Bank +1 301-475-8081 Leonardtown, Leonardtown, Maryland 20650 Write a review Phone Directions