While viewing this movie, John Gibbons, a herpetologist at the University of the South Pacific, realized that the iguanas that appeared in the film were a distinct species that had never before been seen or documented by experts in the field. Afterward, he visited Nanuya Levu, the Fiji island where the movie was made, and named the species the Fiji Crested Iguana.
When Brooke Shields' original nude body double broke her back, producers ended up asking a woman they had hired to catch and train dolphins if she was willing to do this because she was the same body type as Shields. She agreed, and had no issue doing nude swimming scenes.
Most of the nude scenes depicting Emmeline Lestrange include a body double. Brooke Shields always had to have her hair glued to her chest for the other scenes.
Christopher Atkins claimed that after this movie came out, every role he was offered contained a nude scene that "wanted to show off" his buttocks.
Christopher Atkins did most of his nude scenes without the use of a body double. Reportedly, he had to stand nude every morning before shooting these scenes while a female makeup artist got his body ready.