Marine Tube マリンチューブ Marinchūbu
Information about Marine Tube
Region:	Unova
Connecting locations:	↑North Seigaiha City ↓South Undella Town
Weather:	Normal
Kind:	Tunnel
Needed HM:	None

The Marine Tube is an underwater tunnel connecting Undella Town and Seigaiha City that has various Water-type Pokémon swimming around it.It appears to have Shegahai city in the north athway which explains that its a beach containing many water type pokemon around it.Some of the Pokemon that can be seen here are Sharpedo,Basculin,Mantine and Jellicent.&nbsp

Trivia

• The gym leader Marlon might have caught a Mantine and Jellicent underwater,which is explained why they are near to his gym in the Marine tube.
• Basculin also appears really big although he is small.