We where a family of 8 staying at The Yellow house in Santo Isidoro. The house is wonderful and spacious with a pool and outside facilities. There are 3 big bedrooms upstairs and one on the ground floor. The kitchen and living room area is also wonderful for 8 or 9 people.
There are many wonderful beaches in the vicinity but I recommend a car. You can also take a bus if you want to go to Ericeira or other small towns. All in all our stay was really wonderful and I fully recommend a stay at the Yellow house. It was a first time in Portugal for all of us and what we saw of the country and the people was very positive. Thank you Joana and Airbnb!