During the 1920s, the golden age of the seaside resort, the local council wanted to upgrade the old baths shadowed by pergolas and build innovative municipal facilities providing many services: a swimming-pool, a casino, a hotel, garages, shops and a covered gallery as a public path. In 1923, the ambitious and monumental regionalist project, called Baths Quarter, designed by the architect William Marcel was chosen after its initial scope was revised down. While the ground floor was being built, in the end, the project was entrusted to the canonical architect of the international modernist movement, Robert Mallet-Stevens. This architect designed an emblematic building with pared down forms inspired by cruise ships. In the 1950s, the style of this architectural complex was significantly altered by the addition of two upper floors of flats designed by the architect André Pavlovsky. And, in the 1980s, the construction of the Hotel Hélianthal on the old minigolf course also changed the south façade of the complex.