Tiger Bay Tiger Bay Tiger Bay () was the local name for an area of Cardiff which covered Butetown and Cardiff Docks. It was rebranded as Cardiff Bay, following the building of the Cardiff Barrage, which dams the tidal rivers, Ely and Taff, to create a body of water. The development of the Cardiff Docks played a major part in Cardiff's development by being the means of exporting coal from the South Wales Valleys to the rest of the world, helping to power the Industrial Age. The coal mining industry helped fund the growth of Cardiff to become the capital city of
Cardiff Docks area. Today, the port of Cardiff and what is now known as Cardiff Bay has been totally transformed by the Cardiff Barrage that impounds the Rivers Taff and the Ely to create a massive fresh-water lake across to Penarth Head. Only two docks, the Roath and the Queen Alexandra, remain in use, and just two shipping companies remain, albeit buoyant with their worldwide interests. Shipping movements varying from a couple of movements to 10 or 12 per tide, with trade in timber, oil, scrap and containers. Cardiff Docks Cardiff Docks is a port in southern Cardiff, Wales. At its peak,