This research analyzes the aphrodiasporic devotional practices involved in the 17th Festa de Iemanjá held at the Mercadão de Madureira-RJ. Among so many other public manifestations of African-based religions in Rio de Janeiro, the Iemanjá festivities stand out for their exceptionality: they are exclusively devoted to a deity of African origin, that is, without the syncretic inclusion of Catholic saints. The thesis, from the perspective of ritual, investigates the materialities triggered by festive devotion in the market transformed into terreiro-territory. In this study, such materialities are understood by the uses of the body, space and votive elements in circulation through the paths of the devotees. The festive cycle in this secular space takes place throughout the entire month of December, when the faithful deposit offerings and written requests in front of the statue of the honored divinity, creating a real flow of gifts. However, once the festival is understood as a ritual and, therefore, as a procedural structure, the months preceding the culmination of the event, which in 2019 took place predominantly within the market, are also part of this ethnographic journey. However, the letters and gifts offered to the Mãe d água in the construction of the devotional setting, whose central icon is the statue of Iemanjá in human proportion, are also examined. So, examining the festive cycle through the paths of social actors and the things involved in devotion, the polysemy of festive making is unleashed.