On rare geological phenomena and the most amazing hidden in the earth in our arms is the famous Blue Grotto Kastellorizo that for this alone is worth to try one's journey to this distant island.
Known under the name "Cave of Parastas" or "Fokiali" - from the seals that live in - is the largest and most beautiful of the underwater caves of Greece and is considered one of the most beautiful of the Aegean and the Mediterranean.