How do you open the doors after you get in the ship in SOS Island?

Answer 1

The only actual doors (other than the museum) are at the Sphinx. Once you have used your cell phone to call and distract Vince, take the Moonstone to the ring atop the Sphinx. Inside, arranging the blocks in order on the second challenge opens the door at the upper left.

(see related question)

Answer 2

You go up to the captains quarters and you ask him whats happening, then the captain unlocks all doors.

Answer 3

roll the snow ball from off the top of the boat and it will simply crush the snow that is blocking the door

Answer 4

go up to da top and push the big rock