Italy
Eretoka (also Hat Island, Érétoka, Retoka, Artok) is a small uninhabited island in Shefa Province of Vanuatu in the Pacific Ocean. The island lies off the western coast of Efate Island. There is a lighthouse built in the 1960s.
Listen to the audio guide for Eretoka Free on WIP — starts by itself when you arrive, even with the screen off