Atoll of an atoll is very small in comparison to the total area. Atoll islands are low lying, with their elevations less than 5 meters (9). Measured by total area, Lifou (1146 km²) is the largest raised coral atoll of the world, followed by Rennell Island (660 km²). More sources however list as the largest atoll in the world in terms of land area Kiritimati, which is also a raised coral atoll (321.37 km² land area; according to other sources even 575 km²), 160 km² main lagoon, 168 km² other lagoons (according to other sources 319 km² total lagoon size). The
Gaafaru (Kaafu Atoll) Gaafaru (Kaafu Atoll) Gaafaru (Dhivehi: ގާފަރު) is one of the inhabited islands of Kaafu Atoll, the only island of the natural atoll known as Gaafaru. The island is north of the country's capital, Malé. 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