A chapel of harmonious proportions, built on the site where, according to tradition, the Virgin Mary appeared in 1410. Inside, 18th-century tile panels narrate the history of the sanctuary. The quality and iconographic value of these ceramic panels deserve special attention.

This carved into the rock lagareta consists of two sinks, a rectangle connected to another circular in plan. Near this site there is a grave in a poor state of conservation where, according to popular tradition, the oldest was erected the Church of Vila Chã de Sá.

The site of Community interest of the tip of the castle is also classified as a special area of conservation, comprising an area of 153 hectares on land and 164 acres in sea. Reaches maximum attitude to 310 metres and, at sea, a maximum depth of 30 meters.

River Beach frequented primarily by the inhabitants of Barreiro. On this site are the traditional windmills do Barreiro (Giant windmill, Windmill wind mill East and West), which once fed with flour ovens of the largest biscuit production plant in the country.

A very lovely beach, located on the foothills of the Arrábida mountain. It has a small rocky island that is excellent for diving. Nearby, there is the Creiro archaeological site that features the ruins of a roman compound that was once used for salting the fish. It has quality restaurants.

The sign outside says it all: "the Eurico, Casa de Pasto, fish and fresh meat gralhados in coal". This site, which begins to be known by tourists, seduces the environment and decor well. Has a small grocery store with fresh products.

The earliest occupation of this site possibly dates back to pre-Roman, Roman or Muslim times, and it was later rebuilt in 1139. It has an irregular oval layout, with a square keep, three levels, straight arrow slits and a pointed arch doorway.

The typical houses are made of bricks, painted in white, with granitic structures and little decoration. In the town-planning, you can see the central area, delimitated by the old roman wall, around the ancient forum, that is used still today for religious, administrative and cultural purposes.

Center installed in the former SIBIL whale factory, which was dedicated to transforming large cetaceans into oils and flour. You can see various manufacturing equipment and an exhibition on the biology and ecology of large cetaceans. It also has a bar, a shop and an outdoor leisure space.

The plan of the ruins reveals the charcateristic shape of a roman villa, with a indoors atrium surrounded by a gallery of columns. In the southern part of the ruins, one can see the "nympheum", a sanctuary built in the 4th century, devoted to the water divinities and later transformed into a paleo-christian temple.