Top 10 Most Beautiful Ionian Islands to Visit 7953 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) You Can Still Buy a Private Island in Europe for Under €500,000 — Here’s Where Blog (Articles) 10 Restaurants with the Best Views in the World Blog (Articles) Top 10 Most Expensive Yachts in the World Blog (Articles) Top 10 European Cities With Incredible Old Towns Blog (Articles) 10 European Towns That Look Straight Out of a Storybook Blog (Articles) Top 10 Most Beautiful Places in Southern Europe