We spent a wonderful week in Oasis de la sentinelle. It was a perfect place for holidays with a 17 months' child. Difficult to say what was the better: the kindness of Dario or the beauty of the place (especially if you like trees: there are plenty of olive trees and lemon trees and also eucalyptus and pines around the cottages). We enjoyed to cross the property to access directly to the beach and our baby was really found of the dogs who followed us (they live free in the property and are very kind and obedient even to strangers). The cottage was also perfect (we staid in the carob tree cottage) but we lived most of the time outside and have some barbecues. Dario lends us a cot and a baby chair for the week which were very useful.
During the week we went two times in Palermo (it's less than 1 hour drive) but we staid around (Cefallu, the mountains) the rest of the time to enjoy the place (even in October we had a wonderful weather and quite hot sea). It 's a very nice place we recommend for all peoples who want to relax in a very nice place and who could also visit both Palermo and the nearby of Cefallu).
PS: If you do not have GPS, don't hesitate to accept help of Dario to find the place if he can propose it, especially at night. We do not use it, not knowing at which time we will arrive, but at the end some very nice people has to help us to find the way (a very nice start with Sicilian hospitality: he takes his car seeing we do not understand Italian).