Top 10 Most Beautiful Ionian Islands to Visit 806 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 Places in the World That Have War Right Now Blog (Articles) Top 7 Beachfront Hotels in Paros with Stunning Sea Views Blog (Articles) Top 5 Historic Sites in Paros Explained Blog (Articles) Top 10 Tips for Visiting Paros for the First Time Blog (Articles) Best Boutique Hotels in Rhodes, Kos & Beyond Blog (Articles) Top 7 Traditional Dishes You Must Try in Paros