Which key opens the Scanner room?

The Rm. 2 Key hidden in room 5 opens room 2.

Can I get Ice Beam before Dive?

Yes. The Storage Key and TM13 are available on the Surf-only visit.

Do room keys remain in the Bag?

No. Each numbered key is consumed when it opens its matching door.

Can one Scanner earn both evolution items?

No. Captain Stern gives you one choice for the single Scanner.

Abandoned Ship Guide: Scanner, Storage Key & All Rooms (Ruby, Sapphire & Emerald)

How to clear the Route 108 wreck: the Storage Key and TM13, the four cabin keys, the hidden Scanner, and Stern's DeepSeaTooth or DeepSeaScale choice.

The Abandoned Ship is the wreck of the S.S. Cactus on Route 108. A Surf-only visit yields TM13 Ice Beam; returning with Dive opens a hidden floor of keys, cabins and the Scanner that Captain Stern exchanges for one of Clamperl’s evolution items.

The Abandoned Ship on Route 108 — open the live map for the wreck.

Open this place on the map

First visit: Surf and the Storage Key

Board from Route 108 Surf to the wreck and search both the dry 1F cabins and flooded B1F.
Collect the first-visit items Check the accessible rooms for Harbor Mail, an Escape Rope, a Revive and a Dive Ball.
Search the captain’s office The hidden Storage Key is in the southwestern corner of the office.
Open the storage room Use the Storage Key to collect TM13 Ice Beam before you have Dive.

Route 108 on the PokéMaps Hoenn map with a player marker near the Abandoned Ship — The wreck lies on Route 108 between Dewford and Slateport.

Hidden floor: every room key

Return once you can use Dive. The submerged passage reaches six numbered cabins. Search rooms 3 and 5 first, then follow the two key branches below. Each key is consumed when it opens its door.

Abandoned Ship room-key chain
Key	Hidden in	Opens
Rm. 1 Key	Room 3, with a Water Stone	Room 1: TM18 Rain Dance and the Rm. 4 Key
Rm. 4 Key	Room 1	Room 4: the Rm. 6 Key
Rm. 6 Key	Room 4	Room 6: a Luxury Ball
Rm. 2 Key	Room 5	Room 2: the Scanner

Trade the Scanner to Captain Stern

Take the Scanner to Captain Stern at the harbor in northeast Slateport City. He offers either a DeepSeaTooth or a DeepSeaScale for Clamperl.

Scanner reward choice
Item	Held effect	Trade evolution
DeepSeaTooth	Doubles Clamperl’s Special Attack	Huntail
DeepSeaScale	Doubles Clamperl’s Special Defense	Gorebyss

Wild Pokémon on the wreck

Surfing mostly finds Tentacool with rare Tentacruel. Fishing adds Magikarp, but the wreck’s real rewards are its keys, TMs and Scanner.

Quick answers

Which key opens the Scanner room?: The Rm. 2 Key hidden in room 5 opens room 2.
Can I get Ice Beam before Dive?: Yes. The Storage Key and TM13 are available on the Surf-only visit.
Do room keys remain in the Bag?: No. Each numbered key is consumed when it opens its matching door.
Can one Scanner earn both evolution items?: No. Captain Stern gives you one choice for the single Scanner.