Candida is an awesome host - very helpful and supportive during the whole stay. The house is located in a quiet residential part of Cascais. But within 100 meters distance you have a several really good restaurants and a small local shop. The bus stop is next to the door, but Uber and FreeNow are very cheap: it costs around 3,50 Euros (and 10 minutes) to get to the center of Cascais.
The facility is freshly renovated, has a fast wi-fi, coffee machine, air conditioner - everything what you need for your stay.
I definitely do recommend Candida's place to stay