Top 10 Most Beautiful Ionian Islands to Visit 1330 1Kastos Island Kastos is one of the most untouched Ionian islands. With very small villages and limited tourism infrastructure, it offers pure relaxation and isolation. Visitors come here to escape crowds and experience traditional island life.BackNext RELATED ARTICLESMORE FROM AUTHOR Blog (Articles) Greece in 4 Days: A Perfect Itinerary from Ancient Wonders to Island Dreams Blog (Articles) Santorini in 4 Days: The Ultimate Travel Itinerary Blog (Articles) 10 Island Cities That Don’t Look Real Blog (Articles) 10 Places to Visit in Greece for Unforgettable Memories Blog (Articles) 7 Beautiful Islands to Visit Near Santorini Blog (Articles) Top 10 Travel Tips for First-Time Visitors to the Ionian Islands