Verses with the word isle in the Old Testament (3 verses):

Isaiah 20:6
And the inhabitant of this isle shall say in that day, Behold, such is our expectation, whither we flee for help to be delivered from the king of Assyria: and how shall we escape?

Isaiah 23:2
Be still, ye inhabitants of the isle; thou whom the merchants of Zidon, that pass over the sea, have replenished.

Isaiah 23:6
Pass ye over to Tarshish; howl, ye inhabitants of the isle.