Argos – Cardiff Bay Retail Park – Opening Hours & Store Details Argos can be found in Cardiff Bay Retail Park on Ferry Road, about a 1.66 mile distance south of the centre of Cardiff (near to Grangemoor Park and The Marl Recreation Ground). The store is located in a convenient locale that principally serves the people of The Sand Wharf, Eastbrook, Llandough, Butetown, Grangetown, Penarth, Cardiff Bay and Tiger Quay Development. On this page you’ll find all the up-to-date information about Argos Cardiff Bay Retail Park, including the working hours, local directions, email contact, and other info.