noun, noun or participle which takes 'suru', intransitive verb
entering an island; arriving on an island
Used for the act of going onto an island, often in travel, immigration, or administrative contexts. Can be used as a noun or with する as an intransitive verb.
台風のため、入島が制限された。
Entry to the island was restricted due to the typhoon.
観光客が次々と入島
Tourists arrive on the island one after another.