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Seaside Cavern
SeasideCavernEntrance
Seaside Cavern Entrance

Floors

5

Random

Yes

Weather

No

Boss

Yes

Set Level

No

Secret Room

No

Monster House

No

Level Range

1 to 5

Seaside Cavern, often called Seaside by players, is a Water-type beginner dungeon located in Exbel, East of Seafoam Cove. It is unique for having locked stairs which must be unlocked using a Seaside Key to proceed to the next floor. The boss located at the end of the dungeon is Kingler.

The Pokémon in Seaside Cavern are mainly in the level range of 1-5.

Scenery

Seaside Cavern consists of small, often elongated rooms with pathways which directs players to the next room. Walls are rocky blue with shades of white, whereas the floor tiles are sandy-beige. Small bodies of water is apparent throughout this dungeon.

Pokémon

Pokémon in bold are recruitable. Please visit the Recruitable Pokémon page for more information.

Icon Pokémon Floor Recruit Rate
079 Slowpoke 1-5 12%
120 Staryu 1-5 8.9%

Boss

Upon reaching the Seaside Cavern Pit, Kingler is mad at the player for stomping around the dungeon and accuses you of taking his loot away. He will then proceed to fight the player.

Icon Pokémon
099 Kingler

Boss Drops

When defeated, Kingler will drop one of the following:

  • 50 Poké (Common)
  • Mushroom (Uncommon)
  • Mystic Water (Uncommon)
  • Water Stone (Rare)

Items

Name Floor Rarity
Seaside Key 1-5 Common
Poké 1-5 Common
Apple 1-5 Common
Oran Berry 1-5 Common
Blast Seed 1-5 Uncommon
Geo Pebble 1-5 Uncommon
Leppa Berry 1-5 Uncommon

Dungeon Objective

The objective of this dungeon is proceed into the dungeon and beat the boss. This is also the the earliest dungeon whereby players can recruit Slowpoke and Staryu.

Rules

The player has to collect Seaside Keys located throughout the dungeon and use them to unlock the sealed stairway found on the 2nd, 3rd and 4th floor in order to progress. To unlock the stairs, the player must walk onto the stairs with the Seaside Key in the inventory. Once unlocked, the player must step on the stairs tile again to proceed to the next floor.

LockedTile001

Locked Stairs

PMU6

  • Seaside Cavern was originally a part of PMU 6, and was re-added in PMU 7 as one of the four original dungeons.

Trivia

  • Seaside Cavern was originally a part of PMU 6.
  • When added to PMU7, for about a year and a half it still had its premapped form, but was then remodeled into a random dungeon.
  • Seaside Cavern was one of the four original PMU 7 dungeons.
  • Pillager's Cove, West of the Seaside Entrance, appears to be an old hideout of Cap'n Kingler and his crew.
    File:Huge chunk.png
  • In Seaside Cavern, many enemies may spawn in within the same room which makes this dungeon perfect for training low level Pokémon. It is unknown if this is a glitch or intentional.

Videos

Pokémon Mystery Universe- The New Seaside Cavern

Pokémon Mystery Universe- The New Seaside Cavern

Seaside Cavern Playthrough

Early PMU7 Seaside Cavern Playthrough by taco pizza

Early PMU7 Seaside Cavern Playthrough by taco pizza