Praia do Mar, often called Praia de Foz do Arelho, sits at the shore of the village of the same name. Its huge sandstrip is kilometers long, spanning from the Lagoa de Óbidos waters to those of the atlantic ocean. The openness of the estuary and the sea tides regularly change the sandstrip in different shapes and sizes, making each visit a different experience. It is a fantastic place to enjoy the waters of bothe the sea and the lagoon, inside a beautiful natural landscape. The beach has easy access, supervision during the holidays, and provides ample space for all kinds of beach activities and sports.