This main objective of this work is to analyse how gentrification in a metropolitan neighbourhood starts to shift its residents in order to favour a fleeting population (tourists/ consumers). Therefore, we explore Peruvian neighbourhood Castilla's, in the Historic Center of Callao, Perú, inhabitants' perception regarding a private investment project (Monumental Callao) through qualitative techniques (semi structured interviews, non-participant observation, official data revision). In order to interpret our findings, we've combined semiotics of space theory along with urbanism to be able to give them an understanding that not only concentrates on the ontology of space but in their social relationships and its execution with urban processes. The results show that Castilla's gentrification has been attached to a process of hygienization of the space, where one can only demand rights as long as they become a consumer.