@pv ahhh, had to be the most rare of the bunch, uh? Lemme see...
In Coimbra we have the Condomínio Criativo, which is a bit like that, and if memory serves me right also has ties to the hackerspace communities, not sure if they're here during Summer, though. The main name associated with it is Alexandre Lemos.
Lisbon, then Porto, is *the* place to be to meet more hackers, but not like the ones you describe.
I can only think of one like that, and he's in Lisbon, Isaque: https://isaque-sanches.itch.io/