Seafoam Islands Pokémon Yellow · Dungeon

Gift and special Pokémon

Articuno Lv. 50

The legendary bird sits on B4F; push boulders into the holes to slow the currents first.

Wild Pokémon

1F

Walking in the cave encounter rate 15/255 per step

Pokémon	Type	Lv.	Chance
Zubat	PoisonFlying	9–36	44.5%
Krabby	Water	25–27	35.2%
Slowpoke	WaterPsychic	28–30	14.8%
Golbat	PoisonFlying	27–36	5.5%

B1F

Walking in the cave encounter rate 10/255 per step

Pokémon	Type	Lv.	Chance
Zubat	PoisonFlying	18–36	40.2%
Krabby	Water	26–28	29.7%
Golbat	PoisonFlying	27	9.8%
Slowpoke	WaterPsychic	29	9.8%
Seel	Water	22–26	5.5%
Kingler	Water	28	5.1%

B2F

Walking in the cave encounter rate 10/255 per step

Pokémon	Type	Lv.	Chance
Zubat	PoisonFlying	27–36	35.2%
Krabby	Water	27–29	25%
Golbat	PoisonFlying	27–36	14.8%
Seel	Water	24	9.8%
Kingler	Water	28	9.8%
Slowpoke	WaterPsychic	31	4.3%
Slowbro	WaterPsychic	31	1.2%

B3F

Walking in the cave encounter rate 10/255 per step

Pokémon	Type	Lv.	Chance
Zubat	PoisonFlying	27–36	29.7%
Krabby	Water	29–31	20.3%
Golbat	PoisonFlying	27	19.9%
Seel	Water	26–30	14.8%
Kingler	Water	30	9.8%
Dewgong	WaterIce	28–32	5.5%

Surfing encounter rate 5/255

Pokémon	Type	Lv.	Chance
Tentacool	WaterPoison	20–40	69.9%
Staryu	Water	30	30.1%

Fishing

Rod	Pokémon	Lv.	Chance
Old Rod	Magikarp	5	100%
Good Rod	Goldeen	10	50%
	Poliwag	10	50%
Super Rod	Staryu	20–40	40.2%
	Krabby	25	39.8%
	Kingler	35	19.9%

B4F

Walking in the cave encounter rate 10/255 per step

Pokémon	Type	Lv.	Chance
Zubat	PoisonFlying	36–45	25%
Golbat	PoisonFlying	27–36	25%
Seel	Water	28–32	19.5%
Krabby	Water	30	15.2%
Kingler	Water	32	9.8%
Dewgong	WaterIce	30–34	5.5%

Surfing encounter rate 5/255

Pokémon	Type	Lv.	Chance
Tentacool	WaterPoison	20–40	69.9%
Staryu	Water	30	30.1%

Fishing

Rod	Pokémon	Lv.	Chance
Old Rod	Magikarp	5	100%
Good Rod	Goldeen	10	50%
	Poliwag	10	50%
Super Rod	Staryu	20–40	40.2%
	Krabby	25	39.8%
	Kingler	35	19.9%

Grass, cave and surfing chances are the Generation I encounter slots (10 slots weighted 51, 51, 39, 25, 25, 25, 13, 13, 11 and 3 out of 256); the Super Rod picks from four slots weighted 102, 76, 51 and 27, the Good Rod is 50/50 and the Old Rod always hooks a level 5 Magikarp. Where to find every Pokémon.

Items

Hidden items need the Itemfinder or a lucky press of A on the right tile.

Tips

• Use Strength to push boulders into the holes to stop the currents so you can Surf onward.
• Articuno waits on B4F and is level 50, so bring Ultra Balls and strong Fire, Electric or Rock attackers.
• Zubat, Golbat, Krabby and Seel are the common wild Pokémon, and Dewgong is rare on the lower floors.
• Hidden items include a Nugget, Max Elixer and Ultra Ball, so search the dead ends.
• There are no trainers, so the main danger is the wild encounters.

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