Intermediate living arrangements, like shared flats, collective accommodation or double residence, have become increasingly common due to the individualization of life scripts, and because of economic and cultural shifts in western societies. However, they have been assumed to be negligible in Mediterranean Europe, where housing transitions are ‘late but simple’. This paper challenges this assumption, using Catalonia (Spain) as a case study. Data coming from the 2017 Catalan Youth Survey offer some clear-cut results. First, shared flats and double residence are not uncommon among Catalans: respectively 15.7% and 8.1% of youngsters experience them sometime during their twenties. Second, multinomial regression models show that double residence implies economic reliance on parents, it is most common among university students, especially those with well-off parents, and among young people coming from rural areas. Conversely, shared flats appear to be linked to precarious economic situations, and they are common among young immigrants, and those living in the city of Barcelona. Both arrangements are transitory, being less frequent among older people. Some expected predictors of intermediate living turned out to predict double residence instead, so this semi-dependent practice could be the equivalent of ‘living away from home’ for youngsters in ‘familistic’ territories as Catalonia.