Place · Island · Kanto

Seafoam Islands

View on World Atlas

01 //Screenshot

Let's Go, Pikachu! / Eevee!

02 //Games

Games it appears in

Red / Blue / YellowFireRed / LeafGreenHeartGold / SoulSilverLet's Go, Pikachu! / Eevee!

03 //Areas

5 floors and areas

04 //Wild Pokémon

By game

R
Red

Pokémon	Method	Levels	Rate
Psyduck 1F	Cave	28	5%
Golduck 1F	Cave	38	1%
Slowpoke 1F	Cave	30	20%
Slowpoke B1F	Cave	28–30	15%
Slowpoke B2F	Cave	30–32	30%
Slowpoke B3F	Cave	31–33	35%
Slowpoke B4F	Cave	29–31	15%
Slowbro B2F	Cave	37	1%
Slowbro B4F	Cave	39	4%
Shellder 1F	Cave	28–30	19%
Shellder B1F	Cave	32	15%
Shellder B2F	Cave	28	5%
Shellder B3F	Cave	29–31	15%
Shellder B4F	Cave	31–33	30%
Horsea 1F	Cave	28–30	20%
Horsea B1F	Cave	30–32	30%
Horsea B2F	Cave	28–30	15%
Horsea B3F	Cave	29–31	15%
Horsea B4F	Cave	31–33	35%
Seadra B1F	Cave	37	1%
Seadra B3F	Cave	39	4%
Staryu B1F	Cave	30	20%
Staryu B2F	Cave	30	10%

RB
Red / Blue

Pokémon	Method	Levels	Rate
Zubat 1F	Cave	21	10%
Golbat 1F	Cave	29	5%
Golbat B2F	Cave	30	4%
Golbat B4F	Cave	32	1%
Seel 1F	Cave	30	20%
Seel B1F	Cave	28–30	15%
Seel B2F	Cave	30–32	35%
Seel B3F	Cave	31–33	30%
Seel B4F	Cave	29–31	15%
Dewgong B1F	Cave	38	4%
Dewgong B3F	Cave	37	1%

RBY
Red / Blue / Yellow

Pokémon	Method	Levels
Articuno B4F	Static	50

B
Blue

Pokémon	Method	Levels	Rate
Psyduck 1F	Cave	30	20%
Psyduck B1F	Cave	28–30	15%
Psyduck B2F	Cave	30–32	30%
Psyduck B3F	Cave	31–33	35%
Psyduck B4F	Cave	29–31	15%
Golduck B2F	Cave	37	1%
Golduck B4F	Cave	39	4%
Slowpoke 1F	Cave	28	5%
Slowbro 1F	Cave	38	1%
Shellder B1F	Cave	30	20%
Shellder B2F	Cave	30	10%
Krabby 1F	Cave	28–30	20%
Krabby B1F	Cave	30–32	30%
Krabby B2F	Cave	28–30	15%
Krabby B3F	Cave	29–31	15%
Krabby B4F	Cave	31–33	35%
Kingler B1F	Cave	37	1%
Kingler B3F	Cave	39	4%
Staryu 1F	Cave	28–30	19%
Staryu B1F	Cave	32	15%
Staryu B2F	Cave	28	5%
Staryu B3F	Cave	29–31	15%
Staryu B4F	Cave	31–33	30%

Y
Yellow

Pokémon	Method	Levels	Rate
Zubat 1F	Cave	9–36	45%
Zubat B1F	Cave	18–36	40%
Zubat B2F	Cave	27–36	35%
Zubat B3F	Cave	27–36	30%
Zubat B4F	Cave	36–45	25%
Golbat 1F	Cave	27–36	5%
Golbat B1F	Cave	27	10%
Golbat B2F	Cave	27–36	15%
Golbat B3F	Cave	27	20%
Golbat B4F	Cave	27–36	25%
Tentacool B3F, B4F	Surf	20–40	70%
Slowpoke 1F	Cave	28–30	15%
Slowpoke B1F	Cave	29	10%
Slowpoke B2F	Cave	31	4%
Slowbro B2F	Cave	31	1%
Seel B1F	Cave	22–26	5%
Seel B2F	Cave	24	10%
Seel B3F	Cave	26–30	15%
Seel B4F	Cave	28–32	20%
Dewgong B3F	Cave	28–32	5%
Dewgong B4F	Cave	30–34	5%
Krabby 1F	Cave	25–27	35%
Krabby B1F	Cave	26–28	30%
Krabby B2F	Cave	27–29	25%
Krabby B3F	Cave	29–31	20%
Krabby B4F	Cave	30	15%
Krabby B3F, B4F	Super Rod	25	40%
Kingler B1F	Cave	28	5%
Kingler B2F	Cave	28	10%
Kingler B3F	Cave	30	10%
Kingler B4F	Cave	32	10%
Kingler B3F, B4F	Super Rod	35	20%
Staryu B3F, B4F	Super Rod	20–40	40%
Staryu B3F, B4F	Surf	30	30%

FR
FireRed

Pokémon	Method	Levels	Rate
Psyduck 1F	Cave	26–33	55%
Psyduck B1F	Cave	29–31	40%
Psyduck B2F	Cave	30–32	40%
Psyduck B3F	Cave	30–32	20%
Psyduck B4F	Cave	32	10%
Psyduck B3F, B4F	Super Rod	15–25	4%
Psyduck B3F, B4F	Surf	30–40	4%
Golduck B1F	Cave	33–35	5%
Golduck B2F	Cave	32–34	10%
Golduck B3F, B4F	Cave	32–34	15%
Golduck B3F, B4F	Surf	35–40	1%
Horsea B3F, B4F	Super Rod	15–30	80%
Horsea B3F, B4F	Surf	25–30	30%

FRLG
FireRed / LeafGreen

Pokémon	Method	Levels	Rate
Zubat 1F, B1F	Cave	22–26	34%
Zubat B2F	Cave	22–24	20%
Zubat B3F	Cave	24	10%
Golbat 1F, B1F	Cave	26–30	11%
Golbat B2F, B3F	Cave	26–30	10%
Golbat B4F	Cave	26–30	15%
Seel B1F	Cave	28	10%
Seel B2F	Cave	30–32	20%
Seel B3F	Cave	30–32	40%
Seel B4F	Cave	30–34	50%
Seel B3F, B4F	Surf	25–35	60%
Dewgong B3F	Cave	32–34	5%
Dewgong B4F	Cave	34–36	10%
Dewgong B3F, B4F	Surf	35–40	5%
Gyarados B3F, B4F	Super Rod	15–35	16%
Articuno B4F	Static	50	—

LG
LeafGreen

Pokémon	Method	Levels	Rate
Slowpoke 1F	Cave	26–33	55%
Slowpoke B1F	Cave	29–31	40%
Slowpoke B2F	Cave	30–32	40%
Slowpoke B3F	Cave	30–32	20%
Slowpoke B4F	Cave	32	10%
Slowpoke B3F, B4F	Super Rod	15–25	4%
Slowpoke B3F, B4F	Surf	30–40	4%
Slowbro B1F	Cave	33–35	5%
Slowbro B2F	Cave	32–34	10%
Slowbro B3F, B4F	Cave	32–34	15%
Slowbro B3F, B4F	Surf	35–40	1%
Krabby B3F, B4F	Super Rod	15–30	80%
Krabby B3F, B4F	Surf	25–30	30%

HGSS
HeartGold / SoulSilver

Pokémon	Method	Levels	Rate
Zubat 1F	Cave	26–28	30%
Zubat B1F	Cave	28–29	10%
Zubat B2F	Cave	29–30	10%
Zubat B3F	Cave	31–32	10%
Golbat 1F	Cave	30–32	30%
Golbat B1F	Cave	32–34	30%
Golbat B2F	Cave	33–35	30%
Golbat B3F	Cave	34–36	30%
Golbat B4F	Cave	38–40	30%
Psyduck 1F	Cave	26–29	30%
Psyduck B1F	Cave	26–28	16%
Psyduck B2F	Cave	27–30	16%
Psyduck B3F	Cave	31–32	12%
Psyduck B4F	Cave	34	10%
Psyduck B4F	Good Rod	20	30%
Golduck 1F	Cave	32	10%
Golduck B1F	Cave	32–34	14%
Golduck B2F	Cave	33–35	14%
Golduck B3F	Cave	34–36	14%
Golduck B4F	Cave	37–38	14%
Slowbro B4F	Surf	35–50	10%
Seel B1F	Cave	32–34	30%
Seel B2F	Cave	33–35	30%
Seel B3F, B4F	Cave	34	10%
Seel B4F	Surf	30–40	60%
Dewgong B3F	Cave	35–36	24%
Dewgong B4F	Cave	37–38	24%
Krabby B4F	Good Rod	20	20%
Horsea B4F	Good Rod	20	10%
Horsea B4F	Super Rod	40	30%
Horsea B4F	Surf	30–40	30%
Seadra B4F	Super Rod	40	15%
Jynx B4F	Cave	38–40	12%
Gyarados B4F	Super Rod	40	40%
Articuno B4F	Static	50	—

LGPLGE
Let's Go, Pikachu! / Let's Go, Eevee!

Pokémon	Method	Levels	Rate
Squirtle 1F, B1F, B2F, B3F, B4F	Grass - Rare Spawns	41–46	—
Zubat 1F, B1F, B2F, B3F, B4F	Grass	39–44	16%
Golbat 1F, B1F, B2F, B3F, B4F	Grass	39–44	20%
Tentacool B3F, B4F	Water	39–44	30%
Tentacruel B3F, B4F	Water	39–44	9%
Slowpoke 1F, B1F, B2F, B3F, B4F	Grass	39–44	20%
Slowbro 1F, B1F, B2F, B3F, B4F	Grass	39–44	5%
Seel 1F, B1F, B2F, B3F, B4F	Grass	39–44	20%
Dewgong 1F, B1F, B2F, B3F, B4F	Grass	39–44	5%
Shellder B3F, B4F	Water	39–44	30%
Cloyster B3F, B4F	Water	39–44	1%
Jynx 1F, B1F, B2F, B3F, B4F	Grass	39–44	14%
Magikarp B3F, B4F	Water	39–44	30%
Articuno B4F	Interact	50	—

01 //Screenshot

02 //Games

03 //Areas

04 //Wild Pokémon

RRed

RBRed / Blue

RBYRed / Blue / Yellow

BBlue

YYellow

FRFireRed

FRLGFireRed / LeafGreen

LGLeafGreen

HGSSHeartGold / SoulSilver

LGPLGELet's Go, Pikachu! / Let's Go, Eevee!

R
Red

RB
Red / Blue

RBY
Red / Blue / Yellow

B
Blue

Y
Yellow

FR
FireRed

FRLG
FireRed / LeafGreen

LG
LeafGreen

HGSS
HeartGold / SoulSilver

LGPLGE
Let's Go, Pikachu! / Let's Go, Eevee!