The Beach of Troy (Sea) is an integral part of the mouth of the River Sado by South Shore. Bordered in the extreme northwest with the Natural Reserve of the Sado Estuary. The areal, very extensive, it is bordered to the east by the Marina of Tróia. The dune system is protected by walkways. In this area there is a forest of small dimensions. The waters are, as a rule, serene. It is possible to catch the ferry in Setúbal to the Tróia Peninsula and enjoy a sunny day.