The Pirate Code

The captain has retired for his nap, and the pirate crew who have enslaved you these past few months have left on shore leave. As you start to drift into sleep a small projectile hits you in the head - a key with a note attached. Reading its contents, you grasp the key and free your shackles without hesitation. A small vessel runs alongside the port window, and in it, and at it's helm in modern diving garb, your rescuer?…