Tobi is an island in the Palauan state of Hatohobei. Tobi Island is 1.6 km long and 0.8 km wide, and has an area of about 0.85 square kilometres (0.33 sq mi). With a population of 39 according to a 2020 census, it holds all of the state's people, with the exception of a weather base on Helen Island. Most of the inhabitants live on the island's west side and speak Tobian.