Iki Island is an island lying
between the island of Kyushu and the Tsushima islands
in the Tsushima Strait,
the eastern channel of the Korea Strait.
It is currently part of Nagasaki Prefecture of Japan.
The city of Iki is the centre of the local government.
The island has three ports.
The island hosts a population of 33,202
within the 138.45 km² island,
measuring 17km from the north-south direction
and 14km in the east-west direction.