Travelbeam (Home) specialise in first-hand advice of luxury family hotels in Europe so you can give them a brief and they can tell you exactly what resort would best suit you. We loved the Sheraton Algarve in Portugal has fantastic child care catering for ages from 6 months to teenagers. It has a beautiful huge sandy white beach and a children's village complete with pirate adventure playground and kid's pool. I would highly recommend staying in one of the brand new Pine Cliffs Residences (2 & 3 bedroom apartments) which are ideal for families.