Argos – Plymouth, Marsh Mills – Opening Hours & Store Details Argos is easily accessible in Marsh Mills Retail Park on Plymouth Road, approximately a 2.61 mile drive east from the centre of Plymouth, in Plympton (alongside Marsh Mills Flyover/Devon Expressway). Patrons can easily travel here from Efford, Eggbuckland, Merafield, Deer Park, Woodford, Leigham, Underwood, Auston Farm, Higher Compton, Crabtree and Plympton. This page will supply you with all the information you need about Argos Plymouth, Marsh Mills, including the business times, location description, direct number and additional details.