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
Baa Atoll Baa Atoll Baa Atoll (includes Southern Maalhosmadulu Atoll or Maalhosmadulu Dhekunuburi, Fasdhūtherē Atoll, and Goifulhafehendhu Atoll) is an administrative division of the Maldives. It consists of three separate natural atolls, namely southern Maalhosmadulu Atoll (which is 42 km long and 32 km wide and consists of 9 inhabited islands), the Fasdūtherē Atoll (wedged in between the two Maalhosmadulu Atolls and separated from north Maalhosmasdulu Atoll by Hani Kandu or Moresby Channel) and the smaller natural atoll known as Goifulhafehendhu Atoll (Horsburgh Atoll in the Admiralty charts). Situated on the west of the Maldives atoll chain, it consists of 75 islands