Santorini’s 10 Most Unique Stays: From Cave Hotels to Cliffside Retreats 498 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) 9 Dreamy Greek Islands That Feel Like Another World Blog (Articles) The Most Beautiful Greek Islands for a Summer Escape Blog (Articles) Greek Islands That Still Feel Authentic Blog (Articles) The Best Greek Islands for First-Time Visitors Blog (Articles) 10 Greek Islands Every Beach Lover Should Experience Blog (Articles) 6 Greek Islands That Are Surprisingly Affordable