The Mermaid Hotel is a specialized upper-class hotel owned by the Neptune Royal Family.

Located near the Beach, the entire building contains water (similar in nature to a giant water tank) as the hotel is specifically designed to cater towards underwater species.



  • The hotel serves as the royal family's residence in Japan.
  • An additional hotel is located nearby for air-breathing visitors.

Locations and Landmarks Arctic InnBeachBlack Lily Advanced Materials LaboratoryBooks KinokuniyaComic ToranoanaFriendly Connections MarketKii's ForestKobold StadiumKurusu HouseLibido DoujinLingerie Shop MelusineLove HotelMermaid HotelM.O.N. ApartmentsMount FujiOct's CaveOkayado General HospitalOnsenSakanoshita ParkSanzu RiverSevenson Family Convenience StoreShibuyaShinto ShrineSports Club KoboldStertbooks CoffeeThe RanchTokuma Marine ParkTokyo International Exhibition CenterYoyogi Park
Cities and Countries Easter IslandJapan

Onsen TownTokyo

Other Locations The Birdhouse CafeThat Pool