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

Acts 13:6
And when they had gone through the isle unto Paphos, they found a certain sorcerer, a false prophet, a Jew, whose name was Barjesus:

Acts 28:11
And after three months we departed in a ship of Alexandria, which had wintered in the isle, whose sign was Castor and Pollux.

Revelation 1:9
I John, who also am your brother, and companion in tribulation, and in the kingdom and patience of Jesus Christ, was in the isle that is called Patmos, for the word of God, and for the testimony of Jesus Christ.