The adolescent population living in suburban environments is very important. This reality, however, is still too recent to be considered by practitioners of the development, which would explain why the physical environment of teenagers is rarely designed to meet their needs. This article addresses the basic needs of adolescents living in the suburbs and designers suggest ways to improve their quality of life by creating fallback places in their neighborhood. The values ​​and adolescents special needs will be used to assess the quality of suburban open spaces. We mainly interressted in the physical environment, building on the studies in the fields of psychology, sociology, psychology, environment and the history of urban transformation and the theories and practices landscape architecture. A case study of a new urbanism inspired project will provide a critical foundation and will open to the examination of the criteria from the literature spaces.