My apartment is 4 km from Sintra and 300 meters from Mem Martins train station (but you can't hear the trains). You will love my space because of being close to transport (Sintra / Lisbon train and bus) and all kinds of shops; restaurants, bakeries, pharmacies, garden ,. My space is good for couples, business travelers, families (with children), and pets, WI-FI and Vodafone cable TV, free.
Fully equipped kitchen; Washing machine, dishwasher, fridge, microwave, ....