In sizeable tourist areas, the mutual interaction "tourism -municipal solid waste (MSW) -sustainability" should be attentively investigated, as tourism fluxes could have a strong impact on the performance of implemented MSW management strategies. In this perspective, the present paper analyses the possible tourism influence on MSW generation, composition and separate collection with reference to the Italian case study of "Adriatic Riviera" (expressly located in the Province of Rimini, Central Italy), which is internationally renowned as a major summer seaside destination. In order to evaluate effectively the tourism impact on MSW, the provincial territory of Rimini has been suitably divided into some "territorial macro-areas". The elaborations relate to: the monthly variations of MSW production, the estimate of resulting MSW per-capita production, the estimate of MSW compositions at generation source, the monthly variations of separate collection, and finally the estimate of resulting per-capita separate collection yields.