Sevenstones Lightship
 Sevenstones Lightship is a lightship (also known as a lightvessel) moored off the Seven Stones Reef which is nearly 15 miles (24 km) to the west-north-west (WNW) of Land's End Cornwall and 7 miles (11 km) east-north-east (ENE) of the Isles of Scilly. The reef has been a navigational hazard to shipping for centuries with seventy-one named wrecks and an estimated two hundred shipwrecks overall the most infamous being the oil tanker the Torrey Canyon on 18 March 1967.