The Alentejo coast, buoyed by natural areas of great importance and a coastline dominated by a beach over 70 Km long, between Tróia and Sines is a region with an ancient human settlement, they passed some of the great civilizations of antiquity (Phoenicians, Romans and Arabs), who, along the Sado, marked left testimonies of their presence.

Since ancient times, the Sado river was, for many years, the major route of penetration into the inland of Alentejo, having drawn at different times, Phoenicians, Romans and Arabs. Through it, goods and persons, circulated in sailing vessels, linking the most inaccessible points inside the Alentejo with the urban centers developed in Alcácer do Sal and Setúbal. The development of land transports, took his economic interest as a communication channel, currently gaining a new dimension in the context of maritime tourism activities through which is possible to know its most inaccessible corners.

Vale de Guizo is a small village located near the river Sado, where circulated until the mid-twentieth century, people and goods to and from the interior of the Alentejo. It was in ancient times, when the river was the means of communication used between the coast and the interior region, the interface to support the Village of Grândola. Vale de Guizo lost its commercial importance of other times, presenting, however, a growing interest in the field of river tourism, such the beauty of his journey, dominated by landscapes and absolutely unexpected corners, where the tranquility of the surrounding nature leads us serenely to the interior Alentejo.

Alcácer do Sal is a very old city, with a human occupation going back to the Bronze Age and the Iron Age, having been occupied by Phoenicians, Romans, Visigoths and Arabs. During the Muslim period, which ended in 1217, Alcacer do Sal, with Palmela and Sesimbra, was part of a line of military defense that allowed control, south of the Tagus, a vast land, sea and inland territory from the Atlantic Ocean to the interior of the Alentejo plains, and was an important military naval base. Despite the importance it had in salt production and related activities, pine-nut in rice production, are now its two most important economic activities. Alcacer do Sal with its river, is today one of the most beautiful cities of the coastal zone of Alentejo, where the interests of its history mix with its gastronomy, its craftsmanship and its hospitable people.