Blue Cave ( Plava špilja, Плава шпиља) It is one of the most attractive in the series of caves located on the Lustica Peninsula ( poluostrvo Luštica, полуострво Луштица) and is situated between the of Zlatna luka (Златна лука) Cove and the Mokra gora (Мокра гора) Cape. It is 5.7 nautical miles away from Herceg Novi. It has two openings at 45 degrees angles; the height from the sea level to the top of the ceiling is 9 m, and the depth is 3-4 m. Its name comes from the unusual blue color during the sunny days, due to sun rays reflecting off of the surface of the sea. It is a must see as a part of one’s tour around the Boka Bay ор Bay of Boka (Boka Kotorska, Бока Которска).