Pokémon Ruby and Sapphire/Abandoned Ship

The Abandoned Ship is at ../Route 108/, in the sea between Dewford Island and Slateport City. Enter it and keep using your Itemfinder to collect fallen items which include the keys to various doors of the ship. You will also find the only Luxury Ball of the Game here. This Poké Ball ensures that the Pokémon captured will be friendly. Remember not to use it on any Pokémon, as this is the only easy way to catch the Legendary Pokémon.

To fully explore the ship, you will need the Dive HM.

Items
Once you have HM move Dive, you can also collect the following:
 * TM18: In RM 1.
 * Luxury Ball: In RM 6.
 * Scanner: In Rm 2. May be traded to Captain Stern for a Deep Sea Tooth or Deep Sea Scale.