Kiritimati Kiritimati Kiritimati, or Christmas Island, is a Pacific Ocean raised coral atoll in the northern Line Islands. It is part of the Republic of Kiribati. The name "Kiritimati" is a respelling of the English word "Christmas" in the Kiribati language, in which the combination "ti" is pronounced "s", and the name is thus pronounced . The island has the greatest land area of any coral atoll in the world, about ; its lagoon is roughly the same size. The atoll is about in perimeter, while the lagoon shoreline extends for over . Kiritimati comprises over 70% of the total land
Kiritimati which as a whole has about the same area again as the main lagoon. Thus, the land and lagoon areas can only be given approximately, as no firm boundary exists between the main island body and the salt flats. Vaskess Bay is a large bay which extends along the southwest coast of Kiritimati Island. In addition to the main island, there are several smaller ones. Cook Island is part of the atoll proper but unconnected to the Kiritimati mainland. It is a sand/coral island of , divides Burgle Channel into the northern and the southern entrance, and has a large