I agree with Dee about Bermuda beaches, how ever "pawpaw beach" in Palmetto Point, Eleuthera was by far the most beautiful, uninhabited, beach I have ever enjoyed. I slept after many mid watches on that beach while the family swam and gathered shells. What a wonderful place.
Chuck

Punalu'u beach on the Big Island....definitely

Windmill beach and glass beach in Cuba are pretty awesome too...very unique