I stayed at Quaila in early march in Pavilion with a private pool, I was quite worried going in after seeing MacMyDays review. However it really wasn't that bad, the room had a beautiful view, the pool was fine and well kept, the service wasn't too pompous.
The real issue is the rest of the island outside of Qualia, its sort of like a Butlins resort and is really quite depressing (they still have a DVD store and it has nothing in HD or 4K). The food across the whole island isn't great, but it is significantly worse once you leave Qualia the pizza at the harbour was genuinely inedible.