If being by the water is a major draw, Praia dos Fondás is a spot you might want to check out, located 1 mi (1.6 km) from central Foz. Catch the sunset by the shore at Praia da Anguieira and Praia de Tupide, located nearby.
If you can't wait to get to the beach, you might enjoy a trip to Praia da Anguieira located 3.2 mi (5.1 km) from central Barreiros. If you want to continue walking by the waves, head to Praia de Altar and Praia de Tupide, both within a short walk.