Pokémon

Pokémon that can be obtained via the DexNav as Hidden Pokémon can be up to 29 levels higher than their levels here: any individual Hidden Pokémon can be up to 10 levels higher than their natural highest level, and an additional 19 levels can be added by chaining hidden encounters.

• Wild Tentacool have a 5% chance of holding a Poison Barb.
• Wild Wingull have a 50% chance of holding a Pretty Wing.
• Wild Pelipper have a 50% chance of holding a Pretty Wing and a 5% chance of holding a Lucky Egg.

Surfing (Outside)

Fishing (all areas)

Surfing (Inside)

Static

All Versions

Pokémon		Level	Games		Notes
	Ho-Oh	50	OR	AS	Appears via a portal in the submerged control room if the player has the Clear Bell. If defeated or run from, it will respawn after defeating the Elite Four. It always holds Sacred Ash.
	Lugia	50	OR	AS	Appears via a portal in the submerged control room if the player has the Tidal Bell. If defeated or run from, it will respawn after defeating the Elite Four.
	Spiritomb	50	OR	AS	Only after engaging Groudon/Kyogre. Appears in the bottom-left room of the dry corridor on the right side. The player must stand in the top-left corner of the room, open a menu, and close it to see the Odd Keystone. If defeated or run from, it will respawn after defeating the Elite Four. It always holds a Smoke Ball.

Items

Omega Ruby and Alpha Sapphire Items

Item	Location	Notes
Escape Rope	On the deck, to the left of the Scientist
TM18 Rain Dance	On the deck, to the lower right of the Scientist
Max Repel	In the left-hand corridor, near the pool
Key to Room 1	In the right-hand corridor, obtained from the female Tuber	Requires Dive.
White Herb	On the right-hand side of the boxes separating the parts of the dry corridor	Requires Dive.
Dive Ball	In Room 1, left of the door	Requires Dive.
Key to Room 2	In Room 1, in the filing cabinet left of the door	Requires Dive.
Key to Room 6	In Room 2, obtained from the Teammates	Requires Dive.
Revive	In Room 2, to the lower left of the Teammates	Requires Dive.
Storage Key	In Room 4, next to the bed	Requires Dive.
Scanner	In the submerged control room, on the right side of the pathway that goes from left to right below the control module, approximately one tile below and three tiles to the left of the northeasternmost ground tile there	Hidden. Requires Dive. Only after engaging Groudon/Kyogre.
Key to Room 4	On the exterior, obtained from a Fisherman	Requires Dive.

Storage hold

This room requires Dive to access.

Omega Ruby and Alpha Sapphire Items (Storage hold)

Item	Location
TM13 Ice Beam	In the upper left corner
Big Nugget (8x)	Scattered throughout the room
Nugget (4x)	Scattered throughout the room
Luxury Ball	The upper item ball in the cluster of three to the top right of the Beedrillite
Beedrillite	On the sparkling tile in the lower left corner

PokéNav

Young Couple Lois & Hal will sometimes offer a Destiny Knot after they are defeated in a rematch after defeating the Elite Four.
Mysterious Sisters Scall & Ion will sometimes offer a Dawn Stone after they are defeated in a rematch after defeating the Elite Four.

Trainers

Omega Ruby and Alpha Sapphire Trainers

Trainer	Party	Notes
Sailor Duncan	Wailmer lv.26 Machoke lv.28	On the outside.
Tuber Charlie	Corphish lv.28	On the outside.
Young Couple Lois & Hal	Illumise lv.29 Volbeat lv.29	Inside Sea Mauville, in the northeasternmost room in the hall with Rooms 1 and 2. This is a Double Battle. The player can register them in the PokéNav after the battle.
Mysterious Sisters Scall & Ion	Chingling lv.29 Kirlia lv.28	In Room 1. Requires Dive. This is a Double Battle. The player can register them in the PokéNav after the battle.

Rematches

Omega Ruby and Alpha Sapphire Trainers (Rematches)

Trainer	Party	Notes
Young Couple Lois & Hal	Illumise lv.34 Volbat lv.34	Only after defeating Winona in Fortree Gym.
Young Couple Lois & Hal	Illumise lv.41 Volbeat lv.41	Only after defeating Tate & Liza in Mossdeep Gym.
Young Couple Lois & Hal	Illumise lv.45 Volbeat lv.45	Only after defeating Wallace in Sootopolis Gym.
Young Couple Lois & Hal	Illumise lv.51 Volbeat lv.51	Only after defeating the Elite Four. They may give the player a Destiny Knot after the battle.
Mysterious Sisters Scall & Ion	Chimecho lv.41 Gardevoir lv.40	First rematch.
Mysterious Sisters Scall & Ion	Chimecho lv.45 Gardevoir lv.44	Only after defeating Wallace in Sootopolis Gym.
Mysterious Sisters Scall & Ion	Chimecho lv.51 Gardevoir lv.50	Only after defeating the Elite Four. They may give the player a Dawn Stone after the battle.