I've read a number of news stories about pirates down in some of the Carribean islands ...if not pirates, then thieves.
A friend of mine who is a yacht captain has told me some horror stories about Bimini in particular. One night, he locked up the boat and went to bed. The next morning, some of the cabins had been pretty ramshacked even though he heard nothing. He said that dealing with local police authorities is pretty much of a joke too.