The Sultan's Loggia (stop 13) was the last stop inside the central tower. Return to the kiln just outside the Sultan's Loggia to exit the building. Walk down the corridor on the right to reach the stairway and go downstairs. Once outside, go to the right. Next to the tower, you will encounter a tunnel that leads to the seashore. This tunnel is the principal of three, which functioned as the hidden defense line against sea attacks. Pass through it to reach the coastal corridors.