Seafloor Cavern — Pokémon Emerald Seaglass

Every wild Pokémon here, by encounter method.

Seafloor Cavern lists 13 Pokémon across 20 encounter methods (grass, grass, grass, grass, and more), between level 5 and 45. Between them they cover 6 types: GroundRockPoisonNormalFlyingWater. 3 of them are on no other route's wild tables in this guide: Nidoqueen, Nidoking, Pupitar.

Seafloor Cavern in other guides

The same area in other ROM hacks on this site. Each one has its own encounter table.

The original game's table for this area:

Opens up at Beat Tate & Liza — Mossdeep City Gym, badge 7.

Grass Lv 28-36

Room 1

	Pokémon	Types	Level	Rate
	Sandshrew	Ground	30	20%
	Onix	RockGround	31	20%
	Grimer	Poison	32	10%
	Dunsparce	Normal	33	10%
	Zubat	PoisonFlying	28-29	20%
	Nidoqueen rare	PoisonGround	34	5%
	Nidoking rare	PoisonGround	35	5%
	Golbat rare	PoisonFlying	34-35	8%
	Larvitar rare	RockGround	33	1%
	Pupitar rare	RockGround	36	1%

Grass Lv 28-36

Room 2

	Pokémon	Types	Level	Rate
	Sandshrew	Ground	30	20%
	Onix	RockGround	31	20%
	Grimer	Poison	32	10%
	Dunsparce	Normal	33	10%
	Zubat	PoisonFlying	28-29	20%
	Nidoqueen rare	PoisonGround	34	5%
	Nidoking rare	PoisonGround	35	5%
	Golbat rare	PoisonFlying	34-35	8%
	Larvitar rare	RockGround	33	1%
	Pupitar rare	RockGround	36	1%

Grass Lv 28-36

Room 3

	Pokémon	Types	Level	Rate
	Sandshrew	Ground	30	20%
	Onix	RockGround	31	20%
	Grimer	Poison	32	10%
	Dunsparce	Normal	33	10%
	Zubat	PoisonFlying	28-29	20%
	Nidoqueen rare	PoisonGround	34	5%
	Nidoking rare	PoisonGround	35	5%
	Golbat rare	PoisonFlying	34-35	8%
	Larvitar rare	RockGround	33	1%
	Pupitar rare	RockGround	36	1%

Grass Lv 28-36

Room 4

	Pokémon	Types	Level	Rate
	Sandshrew	Ground	30	20%
	Onix	RockGround	31	20%
	Grimer	Poison	32	10%
	Dunsparce	Normal	33	10%
	Zubat	PoisonFlying	28-29	20%
	Nidoqueen rare	PoisonGround	34	5%
	Nidoking rare	PoisonGround	35	5%
	Golbat rare	PoisonFlying	34-35	8%
	Larvitar rare	RockGround	33	1%
	Pupitar rare	RockGround	36	1%

Grass Lv 28-36

Room 5

	Pokémon	Types	Level	Rate
	Sandshrew	Ground	30	20%
	Onix	RockGround	31	20%
	Grimer	Poison	32	10%
	Dunsparce	Normal	33	10%
	Zubat	PoisonFlying	28-29	20%
	Nidoqueen rare	PoisonGround	34	5%
	Nidoking rare	PoisonGround	35	5%
	Golbat rare	PoisonFlying	34-35	8%
	Larvitar rare	RockGround	33	1%
	Pupitar rare	RockGround	36	1%

Grass Lv 28-36

Room 6

	Pokémon	Types	Level	Rate
	Sandshrew	Ground	30	20%
	Onix	RockGround	31	20%
	Grimer	Poison	32	10%
	Dunsparce	Normal	33	10%
	Zubat	PoisonFlying	28-29	20%
	Nidoqueen rare	PoisonGround	34	5%
	Nidoking rare	PoisonGround	35	5%
	Golbat rare	PoisonFlying	34-35	8%
	Larvitar rare	RockGround	33	1%
	Pupitar rare	RockGround	36	1%

Grass Lv 28-36

Room 7

	Pokémon	Types	Level	Rate
	Sandshrew	Ground	30	20%
	Onix	RockGround	31	20%
	Grimer	Poison	32	10%
	Dunsparce	Normal	33	10%
	Zubat	PoisonFlying	28-29	20%
	Nidoqueen rare	PoisonGround	34	5%
	Nidoking rare	PoisonGround	35	5%
	Golbat rare	PoisonFlying	34-35	8%
	Larvitar rare	RockGround	33	1%
	Pupitar rare	RockGround	36	1%

Grass Lv 28-36

Room 8

	Pokémon	Types	Level	Rate
	Sandshrew	Ground	30	20%
	Onix	RockGround	31	20%
	Grimer	Poison	32	10%
	Dunsparce	Normal	33	10%
	Zubat	PoisonFlying	28-29	20%
	Nidoqueen rare	PoisonGround	34	5%
	Nidoking rare	PoisonGround	35	5%
	Golbat rare	PoisonFlying	34-35	8%
	Larvitar rare	RockGround	33	1%
	Pupitar rare	RockGround	36	1%

Surf Lv 5-35

Room 6

	Pokémon	Types	Level	Rate
	Tentacool	WaterPoison	5-35	60%
	Zubat	PoisonFlying	5-35	35%
	Golbat rare	PoisonFlying	30-35	5%

Surf Lv 5-35

Room 7

	Pokémon	Types	Level	Rate
	Tentacool	WaterPoison	5-35	60%
	Zubat	PoisonFlying	5-35	35%
	Golbat rare	PoisonFlying	30-35	5%

Surf Lv 5-35

Entrance

	Pokémon	Types	Level	Rate
	Tentacool	WaterPoison	5-35	60%
	Zubat	PoisonFlying	5-35	35%
	Golbat rare	PoisonFlying	30-35	5%

Old Rod Lv 5-10

Room 6

	Pokémon	Types	Level	Rate
	Magikarp	Water	5-10	70%
	Tentacool	WaterPoison	5-10	30%

Old Rod Lv 5-10

Room 7

	Pokémon	Types	Level	Rate
	Magikarp	Water	5-10	70%
	Tentacool	WaterPoison	5-10	30%

Old Rod Lv 5-10

Entrance

	Pokémon	Types	Level	Rate
	Magikarp	Water	5-10	70%
	Tentacool	WaterPoison	5-10	30%

Good Rod Lv 10-30

Room 6

	Pokémon	Types	Level	Rate
	Magikarp	Water	10-30	60%
	Tentacool	WaterPoison	10-30	20%
	Wailmer	Water	10-30	20%

Good Rod Lv 10-30

Room 7

	Pokémon	Types	Level	Rate
	Magikarp	Water	10-30	60%
	Tentacool	WaterPoison	10-30	20%
	Wailmer	Water	10-30	20%

Good Rod Lv 10-30

Entrance

	Pokémon	Types	Level	Rate
	Magikarp	Water	10-30	60%
	Tentacool	WaterPoison	10-30	20%
	Wailmer	Water	10-30	20%

Super Rod Lv 20-45

Room 6

	Pokémon	Types	Level	Rate
	Wailmer	Water	20-45	100%

Super Rod Lv 20-45

Room 7

	Pokémon	Types	Level	Rate
	Wailmer	Water	20-45	100%

Super Rod Lv 20-45

Entrance

	Pokémon	Types	Level	Rate
	Wailmer	Water	20-45	100%

Trainers here

7 fights here, in story order. ★ marks a gym leader or major battle.

Open in the interactive guide