Fiend of Dope Island

Fiend of Dope Island, also released as Whiplash, was a lurid mens adventure type motion picture filmed in 1959 and released in 1961. It starred and was cowritten by Bruce Bennett and was the final film directed by Nate Watt. It was filmed in Puerto Rico where producer J. Harold Odell had previously filmed his Machete 1958 and Counterplot 1959. Several scenes were censored for the United States release. The film costars Tania Velia billed as the Yugoslavian Bombshell who had appeared in the July 1959 Playboy and Puerto Rican actor Miguel ngel lvarez.

Charlies world falls apart when one of his employees is an undercover narcotics investigator. The trouble escalates to a full native rebellion and shark attack.

Source: Wikipedia