When I wanted to stay in the "Center" of Catania, I did not know just how perfect this location would be! The Theatro Bellini plaza and its side streets are out of the main tourist area, but an easy walk to most places.
The apartment was spacious and well furnished. And the owner was a delightful person to spend a little time with. He introduced us to some of his friends, and we felt very welcome.
(He lives across the street so it was comforting to know that we could reach him if something was needed.)
Plenty of space: one of us would read upstairs in the bedroom, and other would read on the main floor. Full kitchen (even including a Freezer, which is almost unheard of in rentals.) Well suited for a longer stay. We managed to fill 6 days with wonderful side trips from Catania and found the city to be very diverse and interesting.