| Marine Tube|
|Information about Marine Tube|
|Connecting locations:|| ↑North Seigaiha City|
↓South Undella Town
The Marine Tube is an underwater tunnel connecting Undella Town and Seigaiha City that has various -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.
- 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.