Fantastic space, location, value, and experience. You are walkable to the majority of things in Cascais. We rented bikes from ebikes one day which worked out great.
Our top three restaurants were Cafe Galeria House of Wonders, and La Contessa - Carpaccio House.
We rented a car but you really don’t need a car with this location. Doing it again I would have not rented a car and taken the train. I would have done a day trip to Sintra with a guide driving.