Location of Cerulean Cave in the Kanto region

The entrance to the Cerulean Cave sits in Cerulean City, and it is a huge 4-story cave. Only players who have defeated the Elite Four of Kanto are permitted to enter this cave.

Cerulean Cave F4 is an important area to some players as it is where Milotic can be encountered from fishing. This is also the primary location where Dome Shard, Helix Shard, and Amber Shard can drop, which can be used to trade for Kabuto, Omanyte and Aerodactyl in the Pokémon Lab of Cinnabar Island.

A fishing level of 25 is required to fish in this area.

The fastest way to get to F4 is at the entrance head forward to the water and surf all the way to the bottom left, then go up the stairs on the left and up the first ladder. In this blue rock maze go to the right and down until blue rocks stop you, then go right and take the first path up. Continue forward until you run into more rocks and go right again. Go down, right, follow the maze, up, left, more maze and take the ladder down. Go down and take the stairs on the right and follow right and down the skinny path to water. Surf right and up onto land. Walk up and up the steps heading forward and right along the wall. Then down a bit to the ladder leading down. In F4, there is a Mining Guru that sells the Super Pickaxe for 35,000(35k), and it is here that fossil shards can drop.

Wild Pokemon

Cerulean Cave F1

Map of Cerulean Cave F1

Cerulean Cave F2

Map of Cerulean Cave F2

Cerulean Cave F3

Map of Cerulean Cave F3

Cerulean Cave F4

Map of Cerulean Cave F4

All Pokémon on this floor have a chance to drop Amber Shard, Helix Shard and Dome Shard.

Mining Guru

Cerulean Cave Mining Guru.png

The Mining Guru selling the Super Pickaxe for $35,000.


Map errors

Cerulean Cave F4 Map Error.png

Just west of the north-eastern ladder on F4, there is a map error, which allows you to go through a rock. FUNNY

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