We stayed at the appartment for a week for our summer holiday and it was overall a great experience. It's located right in the city center so there is everything you need in walking distance - supermarkets, the shopping street, bus stops, lots of restaurants,... The building's layout is very typical for Sicily: large rooms with a small balcony where you can sit in the evenigs and have a drink. The appartment was also very clean upon our arrival. Most importantly, Luca is a welcoming and friendly host, the check in and out was not complicated at all and he gave us some advice on where to go and how to get there upon our arrival. Would really recommend staying here if you're going to Catania!