Witches of the Caribbean (2005)

A persistent nightmare about a 16th century sorceress burned to death on a beach sends 17-year-old Angela looking for enlightenment at a fortnight retreat on a beautiful Caribbean isle. All the teens at the gathering are part of Angela's inexplicable dream, and when professed witch Bethany begins luring others into her coven, Angela slowly discovers the truth in this bloody horror tale with an exotic twist.