Dova Haw, also known as Crab Island, is part of the Islands of Furness. It is a small tidal island off the coast of Cumbria, England, adjacent to the town of Barrow-in-Furness. Previously, Dova Haw was the site of an oil lamp

Oil lamp

An oil lamp is an object used to produce light continuously for a period of time using an oil-based fuel source. The use of oil lamps began thousands of years ago and is continued to this day....

lighthouse built from stone, whose foundations are still visible. Also known as Crab Island people back in the past went crab fishing there.