use it open the storage room .you eill get an item
Mauville Casino-4000 coins or Abandoned Ship Storage Room
It's the Pokéball in the lower left corner in the Captain's Office.
Abandoned ship
There is no Abandoned Ship on Diamond. There is one, but only on Emerald in between Dewford and Slateport.
Yes you can. You have to go to every room on the abandend ship you can without dive
It depends what keys you are talking about. The only keys I can think of are the ones for the Abandoned Ship.
You can do anything before going to abandoned ship. Abandoned ship is an optional remote quest meaning it's not literally a major part of the timeline. Inside the Abandoned Ship is a scanner. Give this scanner to Captain Stern and he will give you a prize. You can choose if you want a "deep sea scale" or deep sea tooth".
The MV Joyita did not sink, the ship was abandoned at sea. The question still remains why the crew and passengers abandoned ship?
abandoned ship
Hospital
in the abandoned ship
You cannot fix the abandoned ship. It is a place you can visit in the game. It has several trainers and some useful items.