noun, noun which may take the genitive case particle 'no'
outside the island; off-island
Refers to areas, people, or things outside a particular island, often contrasted with 島内 (within the island).
See also: 島内 (とうない)
島外からの観光客が増えている。
Tourists from outside the island are increasing.
島外の病院に搬送された。
He was transported to a hospital off the island.