離島

1. Origins, structure, and basic meaning

• Structure: 離島 is read りとう and means an island separated from the mainland or a larger island.
• Basic usage: It is used for a doctor traveling by boat to a clinic or transport services being canceled in bad weather.

2. Common pitfalls and similar expressions

• Compared with 無人島
  • 無人島(むじんとう) means an uninhabited island. 離島 focuses on the outlying location and can also refer to an inhabited island.