Nautilus

The Nautilus is a submarine Dolly, Nat, Kitube and Skittles live in and is best know from the Book and movie, 20. 000 leagues under the sea

History
the submarine likely ended up on the island at some piont during the 80´s to,

after Dolly, Nat and Kitube had Taken care of The Beast and thus Dolly has made a Home out of it by adding in some Wood, rocks and giveing it a pin up

BedRoom
there is a Big Bed room where Nat, Kitube, Dolly and Skittles sleeps in and is at the Front of it, there is a Hole in it and it´s likely The Giant Lobster did the Damage or Even Godzilla, thus Sinking the Ship

Living room
the Liveing Room is in the middel of the Ship, it took alot of time to make it Very Comfy and makes up alot of the ship itself right now, With one to Two Barthrooms,

Trivia

 * Disney made a Movie based off the Book and a Ride of it known as Submarine Voyage even tho it was done later.