The development of Social Media (SM) and Information & Communication Technologies (ICTs) has conveyed important changes in the behavioural models of tourists as well as in the way users search, assess, produce, purchase and consume information, products and services. Specifically, young consumers of tourist products, who represent the highest percentage of the users of new technologies, participate actively in various productive processes of tourist enterprises, such as the design, development and distribution of new products. Therefore, the main objective of this paper is the study of the effects that SM and ICTs on youth tourism. In particular, this study investigates the profile of young tourists’ actively participating in SM, as well as the effects of information absorbed through SM and ICTs on their travel decisions.