We had a very nice stay at Marianna's place. The flat is nicely decorated, and situated in a very good area - not touristy but still close to the city center and close to a very nice park with a cool biergarten. We were welcomed by Marianna's dad, who was kind and helpful. The only downside to the apartment was that it was a bit noisy at night. I recommend to stay at this place, as it's much nicer than staying at a hotel and it would allow you to discover a less touristy Prague.