Santorini’s 10 Most Unique Stays: From Cave Hotels to Cliffside Retreats 642 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) 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