Poseidon Submarine owned by Local Travel Agency Captain's Tours, departs from Mandraki Harbor, located in the centre of Rhodes Island. This unique vessel offers a pleasant and safe tour and is ideal for adults and children of all ages. It remains above sea level at all times, while its hull, the underwater observatory, is 2.5 metres below the surface. Through your own personal viewing window, you can watch abundance of marine life. Since you can leave the cabin and walk on the deck at any time, you can also enjoy the spectacular view of the Old town walls, the wind mills, the place where Colossos of Rhodes was standing and enjoy the calm sea around. You can choose between day tours and night tours with underwater lights. Book your tickets online now for Poseidon Submarine and get special discount !