The Groupers Reef, located in the Thira Municipal Unit at Caldera Beach, is the only accessible entry point to the caldera's waters from the shore. This volcanic reef boasts the highest concentration of marine life on the island, making it an ideal destination for diving enthusiasts. It's the perfect site for introductory scuba dives, open water diver courses, navigation courses, perfect buoyancy training, deep diving courses, night diving courses, and more.
