Krauts, I've been using your shack as a shelter during the night. Keeps me from making another shack when working on this side of the map.
Edit: I just found an awesome underwater trench. I believe it formed when the sea floor collapsed into a cave. Went down to investigate it and almost drowned. Think I got caught in a down current.
Edit: I'm quite aware of the damage to Shack 1, 3 creepers work. So don't worry if you find it.