Marine Tube Black 2 & White 2

A Black 2/White 2 underwater glass tunnel linking Undella Town to Humilau City, with Water-type Pokémon swimming overhead.

Type: Landmark
Stage: Late story
Pokémon: None listed

Marine Tube in Pokémon Black 2 and White 2 — Inside the glass Marine Tube

Water-type Pokémon swim past the tunnel walls
Show an Ace Trainer a Poison Barb holder to get Black Sludge

Connects to: Undella Town · Humilau City

No wild regional Pokédex encounters are recorded here. Try a connected location.

Sources & picture credits

Marine Tube (Pokémon Wiki)
Picture: B2W2 Marine Tube.png
PokéAPI encounter data

Encounter tables come from PokéAPI’s Black 2 / White 2 records for the 301 regional Pokédex species (Pokémon outside the regional Pokédex are not listed). Location pictures © Nintendo / Game Freak / The Pokémon Company, archived from Pokémon Wiki (Fandom) file pages. Text is original retrogameindex writing.