Santorini’s 10 Most Unique Stays: From Cave Hotels to Cliffside Retreats 316 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) Best Boutique Hotels in Rhodes, Kos & Beyond Blog (Articles) Top 7 Traditional Dishes You Must Try in Paros Blog (Articles) Top 5 Prettiest Villages in Paros Blog (Articles) Top 10 Things to Do in Rhodes for Culture & History Lovers Blog (Articles) Top 10 Most Beautiful Ionian Islands to Visit Blog (Articles) Top 6 Luxury Hotels in the Ionian Islands