The Sea Railway is a one-way train that travels through the sea of the Spirit Realm. Chihiro uses it to travel to Swamp Bottom. Many of the train's shadow-like passengers get off at various stops along the way.
According to Kamajī, the train doesn't return from its destination.
|Main Cast||Chihiro | Haku|
|Chihiro's Family||Akio Ogino | Yūko Ogino|
|Bathhouse Denizens||Aniyaku | Aogaeru | Boh | Chichiyaku | Foreman | Kamaji | Kashira | Lin | Susuwatari | Yubaba | Yuna|
|Spirits||Kasuga-Sama | No-Face | Radish Spirit | River Spirit | Stink Spirit | Onama-Sama | Ōtori-Sama | Ushioni|
|Others||Shikigami | Zeniba | Hopping Lantern|
|Locations||Spirit Realm | Red Gate | Clock Tower | Deserted Town | Bathhouse | Boiler Room | Yubaba's Office | Yubaba's Apartment | Sea Railway | Swamp Bottom | Zeniba's Cottage|
|Objects||Bath Tokens | Dōsojin Statue | Gold|
|Music||Soundtrack | Always with Me | One Summer's Day | Procession of the Gods | Reprise/Again|