archipelagic

/ˌɑːrkɪpəˈlædʒɪk/
adjective
  1. Relating to a group of islands.
    • The archipelagic nation of Indonesia consists of thousands of islands.
    • The archipelagic geography of the Philippines creates diverse local cultures.
    • Many archipelagic countries rely on fishing and tourism for their economy.
Synonyms
What does "archipelagic" mean? | whatsthatwordmean | whatsthatwordmean