According to Wikipedia: "Norman's Cay is a small Bahamian island (a few hundred acres) in the Exumas, a chain of islands south and east of Nassau, that served as the headquarters for Carlos Lehder's drug-smuggling operation from 1978 to around 1982."
Read this blogpost at Great Mysterious about a visit to Norman's Cay. There are lot's of photos too. Then check out out the informative video below.