 Girondo was contemporary to Jorge Luis Borges, Raúl González Tuñón and Macedonio Fernández and Norah Lange (whom he married in 1943) whom he met at a lunch banquet in 1926 held in honor of Ricardo Güiraldes.Of these authors, all also involved in the vanguardia (avant gardism) of Argentina, most identified with the Florida group in the somewhat farcical literary hostility between that group and another called Grupo Boedo.Girondo was one of the most enthusiastic animators of the ultraist movement, exerting influence over many poets of the next generation, among them Enrique Molina with whom he translated the work of Arthur Rimbaud “Una temporada en el infierno.”

Other notable peers include Pablo Neruda and Federico García Lorca with whom he began lasting friendships in 1934, era when both were to be found in Buenos Aires, capital city of Argentina.