a sunken ship. notice a torpedo behind the rock on the shore. it needs a detonator. swim towards the back side of the ship and pull up on the deck. if you swim around the ship you will see a large opening in the ship's stern. inside there's treasure #5, a gold bar and nothing more. explore the deck – you will find a crane, pick up a torpedo detonator in the box nearby and notice that all doors are shut. on the second deck there's a lock which needs a key. your current goal is to get inside the ship and to find the missing part for the crane. 