The apartment is brilliantly situated for all the sights of Ortigia. You're just round the corner from the Duomo piazza which is just beautiful. It's also possible to do a 45 mins walk up to the fantastic Teatro Greco on the mainland (or you can get a bus). The great location means it can get quite a bit of traffic noise from the main road at the bottom of the street (the street itself is traffic-free).
Parking is a 10 or 15 minutes walk away in the covered (and very big) Talete carpark. It's a bit confusing working out how to pay, but basically it has a number plate reader that clocks when you enter, then when you want to leave you type in your registration and it tells you how much you owe. Pay with a card or cash and the the barrier raises automatically as you exit.
Alberto is a fantastic host, communicating very quickly and helping with our huge bag up the steps when we arrived. The cooking gas ran low when we were there and he sorted it ultra fast. There were plenty of food and drink items provided for free, which we really appreciated. The rooms are big and overall it's very good value.