The Shift Station is the small stop where Kokoro, Chimney, and Gonbe were found by the Straw Hat Pirates. It is a small station in the middle of the ocean, serving as a quick stop for the Sea Train.
After the timeskip, Chimney is in charge of running it on Sunday.
One Piece Manga and Anime — Vol.
34 Chapter 322 and Episode 228,
The Straw Hat Pirates pass by the Shift Station.
One Piece Manga — Vol.
66 Chapter 652,
From the Decks of the World, Chimney is in charge of running the station on Sundays.