You are always welcome, Georgio!
Here it is a time-table of Saturday salsa-parties:
Casa Latina
Sadovaya Street 28/30
Nevskiy Prospekt or Sadovaya metro stations
21:00—00:00
Petrovskiy Fort
Finlyandsiy Avenue 4a
Ploshchad Lenina metro station
20:00—23:45
Sphinx
Nevskiy Avenue 118
00:00—05:00