Necker Island (British Virgin Islands) would survive their castaway adventure for at least three weeks, but as McCullin later recounted, "because of our gathering weakness ... out of temper, and out of water, we hoisted the red flag and were taken off in the early hours of the fifteenth day". According to McCullin, there was nothing idyllic about the desert island: "The mosquitos and other insects were more venomous and persistent than any I had encountered in Vietnam or the Congo." Richard Branson's "Extreme Tech Challenge" has been hosted annually at Necker Island since 2015. Described as one of the largest technology competitions in the
Bardsey Island Island Trust () bought the island in 1979, after an appeal supported by the Church in Wales and many Welsh academics and public figures. The trust is financed through membership subscriptions, grants and donations, and is dedicated to protecting the wildlife, buildings and archaeological sites of the island; promoting its artistic and cultural life; and encouraging people to visit as a place of natural beauty and pilgrimage. When, in 2000, the trust advertised for a tenant for the sheep farm on the island, they had 1,100 applications. The tenancy is now held by the Royal Society for the Protection of