The Slayer (also known as Nightmare Island) is a 1982 American independent supernatural horror film directed by J. S. Cardone. Set on a small island near the Atlantic coast, the plot concerns two couples who upon visiting the island get trapped there due to an oncoming hurricane. As one of the women knows from her plaguing nightmares that the island is dangerous, over the next three days they begin to be killed by something unseen. The film is notable for gaining notoriety and being classified in the United Kingdom as a "video nasty" in the 1980s.