Founded in 1932, Marine Bank & Trust provides banking, trust and investment services. It is a subsidiary of Mercantile Bancorp, which is a multistate bank holding company. Marine Bank & Trust offers various services that include agriculture, commercial, real estate and personal loans; checking, savings and time deposits; trust and other fiduciary services; brokerage services; and safe deposit facilities. The largest portion of its lending business is related to commercial and agricultural customers. Its principal service area includes the villages of Carthage, Hamilton and Augusta in Hancock County, Illinois. Its trust services include estate administration, investment management, cash management, estate and retirement planning, trust account administration and agency agreement services.