I can highly recommend booking Casa Manisia. The appartment is in a smaller village before Catania and is excellently located to visit the Etna, and beautiful cities like Taormina or Syracus. Casa Manisia also offers a beautiful garden with a very appealing pool, and it also has a lovely dog which is very friendly to the guests. :) The environment is calm, so you can perfectly relax after the trips in Sicily.
Guiseppe is an excellent host. He was always friendly, gentile, approachable for questions and recommendations, but also gave us the necessary privacy.
We had a fantastic week in Sicily!