River Island – Southampton – Opening Hours & Store Details River Island is located at 56-58 Above Bar Street, about 0.37 miles south from the centre of Southampton (not far from Vincent’s Walk). The store is happy to serve customers within the areas of Bevois Town, Ocean Village, St Mary’s, Itchen, Northam, Southampton City Centre, Freemantle and The Polygon. Please review this page for the specifics on River Island Southampton, including the operating hours, map, direct telephone and more information.