Tabiteuea is an atoll in the Gilbert Islands, Kiribati, farther south of Tarawa. This atoll is the second largest and the most populated of the Gilbert Islands after Tarawa. The atoll consists of one main island, Aanikai in the north, and several smaller islets in between along the eastern rim of the atoll. The atoll has a total land area of 38 km2 (15 sq mi), while the lagoon measures 365 km2 (141 sq mi). The population numbered 5,261 in 2015. The islanders have customary fishing practices related to the lagoon and the open ocean.