Top 10 Most Beautiful Ionian Islands to Visit 1594 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) 10 Greek Islands Every Beach Lover Should Experience Blog (Articles) 6 Greek Islands That Are Surprisingly Affordable Blog (Articles) 7 Greek Islands Perfect for a One-Week Itinerary Blog (Articles) Why Santorini Is More Than Just a Sunset Destination Blog (Articles) 9 Greek Islands Perfect for Slow Travel Blog (Articles) Greece Beyond the Postcard: 10 Islands Worth Exploring