Marine Tube

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Marine Tube マリンチューブ
Marine Tube
"Wild Missingno. appeared!"
Marine Tube B2W2.png
Map description: An undersea tunnel built using cutting-edge technology.
Location: Between Undella Town and Humilau City
Region: Unova
Generations: V
Unova Marine Tube Map.png
Location of Marine Tube in Unova.
Pokémon world locations

The Marine Tube (Japanese: マリンチューブ Marine Tube) is an underwater location in Unova introduced in Pokémon Black and White 2. It is a tube that connects Undella Town with Humilau City underneath Undella Bay.

Marine Tube Ahead
The Walk-Through Aquarium

Description

Known as "the walk-through aquarium", the Marine Tube was built during the two years between Pokémon Black and White and their sequels. It was constructed to commemorate the friendship between Undella Town and Humilau City and was designed, as stated by an NPC, "to see, not to move." When the player first arrives in Undella Town, the Marine Tube is closed for cleaning and yet to open. The cleaning is completed at the same time the player earns the Legend Badge and defeats Team Plasma in Opelucid City.

The Marine Tube is a transparent tube made of 9.8 inch glass built to withstand high water pressures and contact with huge Pokémon. The tunnel was made above ground and lowered into the water. Crossing a six-mile-deep ocean trench, the Marine Tube is one of the many pinnacles of technology in the Unova region.

Plating corals and pyramid-like rocks can be seen in the water surrounding the tube. Lights have been placed outside the tube to provide visibility. There is a canyon halfway along the tube's route, the bottom of which cannot be seen. The Water-type Pokémon Alomomola, Basculin, Frillish, Mantine, and Wailord can be observed outside, represented with animations exclusive to this purpose. Each of these Pokémon will only appear at certain times of the day; the player can get the Wailord Watcher Medal by spotting an elusive Wailord, which are common between 3:00 PM and 5:00 PM (going by the time the player entered the Marine Tube).

There are no wild Pokémon or Trainers to battle in the Marine Tube. There are no items lying around, although the self-proclaimed first fan of Roxie will give the player a Black Sludge if they show her a Pokémon holding a Poison Barb.

If the player has given a man in an orange shirt a Fresh Water at Skyarrow Bridge, Driftveil Drawbridge, Tubeline Bridge, Village Bridge, and Marvelous Bridge, then they will meet up with the same man here. Should the player give him another Fresh Water, then he will become rehydrated and dash back to the Skyarrow Bridge with some gifts for the player.

Items

Item Location Games
  Black Sludge From a female Ace Trainer after showing her a Pokémon holding a Poison Barb  B2  W2 
  TM42 (Facade) From a Parasol Lady at the Humilau City entrance  B2  W2 

Observable Pokémon

Pokémon Hours
  Mantine 9:00 AM - 2:59 PM
  Wailord 3:00 PM - 4:59 PM
  Basculin 12:00 AM - 2:59 PM and 5:00 PM - 11:59 PM
  Frillish 12:00 AM - 5:59 AM and 5:00 PM - 11:59 PM
  Alomomola 6:00 AM - 8:59 AM

In the manga

 
Marine Tube in Pokémon Adventures

Pokémon Adventures

Black 2 & White 2 chapter

The Marine Tube first appeared in Pink Slip. Cheren and his students were taken there by Marlon and Benga after being rescued from Castelia City, which had been frozen by the Plasma Frigate.

In The Final Battle: Crushed Ambition, Cedric Juniper and Bianca helped Cheren and Benga to break the ice covering the Marine Tube's Undella Town entrance, and therefore free Cheren's class from the tunnel.

In the TCG

This listing is of cards mentioning or featuring the Marine Tube in the Pokémon Trading Card Game.

Related cards
Cards listed with a blue background are only legal to use in the current Expanded format.
Cards listed with a silver background are legal to use in both the current Standard and Expanded formats.
Card Type English
Expansion
Rarity # Japanese
Expansion
Rarity #
Jellicent   Boundaries Crossed   45/149 Freeze Bolt   022/059
 


In other languages

Language Title
Mandarin Chinese 海洋隧道 Hǎiyáng Suìdào
  European French Aquatube
  German Unterseetunnel
  Italian Tunnel Marino
  Korean 마린튜브 Marine Tube
  European Spanish Acuatúnel



Unova
               
               
Settlements
Nuvema TownAccumula TownStriaton CityNacrene CityCastelia CityNimbasa CityAnville Town
Driftveil CityMistralton CityIcirrus CityOpelucid CityPokémon LeagueLacunosa TownUndella Town
Black CityWhite ForestAspertia CityFloccesy TownVirbank CityLentimas TownHumilau City
Routes
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Bridges and tunnels
Skyarrow BridgeDriftveil DrawbridgeTubeline BridgeVillage BridgeMarvelous BridgeMarine Tube
Landmarks
DreamyardWellspring CavePinwheel ForestLiberty GardenDesert ResortRelic CastleBattle SubwayLostlorn Forest
Cold StorageMistralton CaveChargestone CaveCelestial TowerTwist MountainDragonspiral TowerMoor of Icirrus
Challenger's CaveVictory Road (BWB2W2) • N's CastleRoyal UnovaGiant ChasmUndella BayAbyssal Ruins
Abundant ShrinePoké Transfer LabP2 LaboratoryEntralinkUnity TowerFloccesy RanchPledge GroveVirbank Complex
Pokéstar StudiosCastelia SewersJoin AvenueCave of BeingPokémon World TournamentReversal MountainPlasma Frigate
Clay TunnelUnderground RuinsStrange HouseRelic PassageSeaside CaveWhite TreehollowBlack Tower
Access to
Nature Preserve


  This article is part of Project Locations, a Bulbapedia project that aims to write comprehensive articles on every location in the Pokémon world.