This article seeks to reflect on the already existing and inseparable rela tionships between society, sustainability, culture and leisure, bringing to the core of the reflection the concept of MIL Cities (Media Information as a potential scenario for developing new urban, human, cul tural and technological. Initially, a review of the concept of leisure was made, addressing its foundational pillars and cultural contents, poste riorly the relationship between individual and quality of life in cities is explained, through body practices and body awareness, as well as through environmental practices and the promotion of an increasingly active and collective environmental awareness. The relationship of oc cupation, belonging and right to the city is also addressed and, precisely at this point, the potential for the use of new technologies by the private sector, public authorities and civil society in the construction and appli cation of possibilities that permeate the universe of MIL Cities.