Gahaafaru or Gaafaru (Northern Reef) is a large elliptical reef with only a small inhabited island at its eastern end. This reef has proved disastrous to many vessels. Gaafaru reef is as much a separate atoll as Goifulhafehendhu Atoll or Rasdhukuramathi Atoll which are similar in structure and size. It is separated from Kagi (the northern most island of North Malé Atoll) by a narrow but deep channel - the Gaafaru Kandu. Its lagoon has an average depth of 16 fathoms (30 m) and has no coral patches or shoals in its centre. Gaafaru is a small island surrounded by a big reef.