Argos – Holyhead, Penrhos Retail Park – Opening Hours & Store Details You can find Argos in Penrhos Retail Park on London Road, a 0.87 mile distance south-east from the centre of Holyhead, in Penrhos (near Ysbyty Penrhos and Ysgol Kingsland). The store is located perfectly to serve those from the locales of Nimrod Rocks, Caergybi, Porth-Y-Felin, Tre Arddur, Llaingoch, Cerrig Y Gwyr, Ynys Leurad and Bae Trearddur. Here you may find hours of operation, street address or direct phone for Argos Holyhead, Penrhos Retail Park.