The submarine was a vehicle Sly Cooper used in "Treasure in the Depths" of "Tide of Terror." He used it to fend off Raleigh's gang of crabs that tried to stop him from destroying Raleigh's treasure chests.
It is a blue submarine that features a circular, clear-glass window in the front. On the top are two yellow lights and a siren, and on the back is a big propeller. The submarine comes with a turret, which is controlled by pressing . Pressing allows the user to control it.