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
Falkie Atoll Falkie Atoll Falkie Atoll is a small atoll within the nation of Solomon Islands, at . It is sometimes referred to as Van Ren Atoll, named after the Dutch explorer Jale Van Ren who discovered the atoll in 1679. Local name of this atoll is Kaka. Administratively, Falkie Atoll belongs to the Choiseul Province of Solomon Islands. It is the westernmost atoll in the Solomon Islands archipelago, 40 km northwest of Shortland Islands. However, the closest land is Bougainville, which is an autonomous region of Papua New Guinea. Its total land area is , but it encloses a lagoon of