The Evil Below is a 1989 South African horror film directed and starred by Wayne Crawford and co-starring June Chadwick and Ted Le Plat. The film centers on Max Cash, an adventurer who goes hunting for treasure on a cursed shipwreck. It is one of many underwater-themed movies released around 1989, including The Abyss, Leviathan, DeepStar Six, Lords of the Deep, and The Rift (Endless Descent).

Plot

Max Cash is a down-on-his luck fisherman and charter boat captain living in the Bahamas when his life takes a turn when he meets Sarah Livingstone, a tourist who is seeking to find the treasure of accursed shipwreck, 'The El Diablo' which has been rumored to have sunk on an offshore reef near one of the many islands. Max and Sarah then team up to locate the wreck while dodging Ray Calhoun, a local crime boss as well as Adrian Barlow, a mysterious businessman who claims that the wreck is guarded by supernatural forces in the form of a sea monster that no one claims to have ever seen and survived.