Caldey Island width at its widest. It has an area of and its highest elevation is . The island lies in Carmarthen Bay on the northern side of the Bristol Channel in the county of Pembrokeshire, a little over south of Tenby on the mainland of southwest Wales. It is separated from the mainland by Caldey Sound. A ferry service from Tenby goes to Caldey Island in the spring and summer months when the weather allows. Boats depart every half hour from the harbour at high tide, while at low tide they depart from Castle Beach. Caldey Island consists of two islands
South Solitary Island Light South Solitary Island Light South Solitary Island Light is an active lighthouse on South Solitary Island, an island within the Solitary Islands Marine Park, about northeast of Coffs Harbour, New South Wales, Australia. The lighthouse is located at the summit of the island. It is considered the most isolated lighthouse on the New South Wales coast. It was first in New South Wales to use kerosene over colza oil, and the last to do so before converting to electric power. Suggestions for a lighthouse near Coffs Harbour were made as early as 1856, with locations proposed on either North Solitary