Tureia
France
Tureia (also called Papahena, Papakena, and Carysfort Island) is an atoll in the Tuamotu Archipelago in French Polynesia. Tureia atoll is 15 km long and has a maximum width of 8 kilometres (5.0 miles); its total land area is 8 km2. A very long island covers completely its eastern reef. The lagoon has no navigable entrance. The village of Hakamaru (or Fakamaru) is the only settlement on Tureia, at the northern tip of the atoll. Almost all of the arable land on Tureia is dedicated to growing coconuts. The population in this atoll has risen to 275 in 2017; in 1977 there were only 121 inhabitants.
Data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).