на остров

to the island

→ на
phrase Common #8,985
to the island The examples use the form на острове, meaning “on the island.” На остров takes the accusative case and indicates movement to the island; на острове takes the prepositional case and indicates location on the island.
RU: Мы поедем на остров летом.
EN: We will go to the island in the summer.

Мы уехали на остров Джею!

We left for Jayu Island!

— Пустой дом (2004)

Отправляйся на остров.

Go to the island.

— Дом странных детей Мисс Перегрин (2016)

На остров?

To the island?

— Возвращение (2003)