Anglesey the island. The highest six are Holyhead Mountain, ; Mynydd Bodafon, ; Mynydd Llaneilian, ; Mynydd y Garn, ; Bwrdd Arthur, ; and Mynydd Llwydiarth, . To the south and south-east the island is separated from the Welsh mainland by the Menai Strait, which at its narrowest point is about wide. In all other directions the island is surrounded by the Irish Sea. It is the 51st largest island in Europe, and just five square kilometres smaller than Singapore. There are several small towns scattered around the island, making it quite evenly populated. The largest are Holyhead, Llangefni, Benllech, Menai
Port of Holyhead all sheltered by the Holyhead Breakwater which, at 2.7 kilometres, is the longest in the UK. There is access to the port via a building shared with Holyhead railway station, which is served by the North Wales Coast Line to and London Euston. The walk between trains and ferry check in is less than two minutes, but longer from the remote platform 1, used by Virgin Trains West Coast services. The port is accessible to motor vehicles via both the A5 and the A55 roads. Pedestrian access from Holyhead town centre is via the Celtic Gateway, a bridge linking town