Santorini’s 10 Most Unique Stays: From Cave Hotels to Cliffside Retreats 129 7Katikies Kirini (Oia – Cave Spa Retreats) This boutique hotel features an enchanting spa carved into volcanic rock. Guests can enjoy candlelit treatments, cave pools, and serene caldera views while staying in stylish cave-inspired suites.BackNext RELATED ARTICLESMORE FROM AUTHOR Blog (Articles) 10 Most Dangerous Places in Europe for Tourists Blog (Articles) 10 Beautiful Secret Cities in Europe Blog (Articles) Top 8 Hidden Greek Islands Perfect for an Autumn Escape Blog (Articles) Top 5 Greek Road Trips That Are Best in Autumn Blog (Articles) Top 5 Greek Islands That Stay Lively After Summer Ends Blog (Articles) Top 7 Wine Regions in Greece to Visit in the Fall