Diamond Head, Oahu, Hawaii is the name of a volcanic tuff cone on the Hawaiian island of O'ahu. Its English name was given by British sailors in the century, who mistook calcite crystals on the adjacent beach for diamonds. Hawaii is the state.
Oahu, Eternity Beach is a bit of a hike down to get to it but you can also see it from the street. There you will often see giant sea turtles swimming with the human swimmers. It's like a fun wave pool!
Hawaii’s Best Hidden Beaches Halona Cove, Hawaii. Tucked in between Halona Point and the Halona Blowhole, the small, rocky Halona Cove is so dramatically picturesque you’ll swear you’ve seen it in a movie.