Tenby is a walled seaside community in Pembrokeshire, Wales, on the western side of Carmarthen Bay. Tenby is a local government neighborhood. Notable functions consist of 2 1/2 miles (4.0 kilometres) of sandy beaches and also the Pembrokeshire Coast Path, the 13th century middle ages community wall surfaces, consisting of the Five Arches barbican lodge, Tenby Museum and Art Gallery, the 15th century St. Mary's Church, as well as the National Trust's Tudor Merchant's House. The town is offered by Tenby railway station. Boats cruise from Tenby's harbour to the overseas monastic Caldey Island. St Catherine's Island is tidal and also has a 19th century Palmerston Fort. With its critical position on the far west shore of Britain, and also a natural sheltered harbour from both the Atlantic Ocean as well as the Irish Sea, Tenby was an all-natural negotiation factor, probably a hill fort with the mercantile nature of the settlement potentially developing under Hiberno-Norse impact. The earliest referral to a negotiation at Tenby is in "Etmic Dinbych", a poem probably from the 9th century, protected in the 14th century Book of Taliesin.