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
Fingal Head, New South Wales the north coast of New South Wales runs northwards close to the coast for about 6 km before reaching its mouth just south of present-day Point Danger. A spit about 500–800 metres wide called "Letitia Spit" (named after the first ship to enter the river in July 1840) runs south for 2 km to Fingal Head. The headland itself was made from a lava flow from the now extinct Tweed Volcano. The rock composition in the area is mainly basalt or andesite. There are walking tracks all over this area. About 500 metres offshore from the headland is Cook Island,