Satanskoraal is a 1959 South African action film directed by Elmo De Witt and produced by Jamie Uys for Jamie Uys Filmproduksies. It is the first South African movie to be filmed underwater. The film's plot revolves around a rich playboy and an expert in coral who helps scientists to discover chunks of coral missing off the Mozambican coast. The film stars Ponie de Wet in the lead role along with Tessa Laubscher, Gabriel Bayman and Lindea Bosman in supporting roles.