What is is there to do in Grenada video series\n\nDiamond rock is an island located between carriacou and Grenada. It is about 600 ft high with steep cliffs and plenty of caves. Its home to many birds. At one point in the pass it was a quarantine for people with Leprosy. It was great fun installing the Grenada. So when ever you go to Carriacou. look out for the Grenada flag.