To the north of Kos Island lies Kalymnos. The profession of the sponger intertwined itself with the identity and character of the islanders of Kalymnos to this day, granting the island its nickname the isle of the spongers. With a population of 18.600 men its is one of the most densely populated islands of Greece, and its history is tied to legends and adventures of the sea. Its physical beauty can be compared solely to the islands cuisine. Known for its excellent food Kalymnos is ideal for fish eaters. Most of the taverns operate using solely fresh fish except for that one may try local specialties like maouri. Also of note is are the numerous historical sites of the island, like the castle of the Village, were the islanders took refuge in case of pirate raids. 13 churches can be found, all maintained in pristine condition. You may visit Kalymnos through small boats, taking to the water from Mastichari and reaching Kalymnos within 30 minutes. A catamaran leaving from the main port will take you to the island in 45 meters.