Sao Martinho do Porto, or just Sao Martinho is a unique calm waters shell shaped beach, perfect for families with kids and toddlers. Located in the Siver Coast, Portugal, which is a really alternative region to Algarve and a paradise near Lisbon, Sao Martinho togheter with Foz do Arelho and other local beaches makes a fantastic set turning this area into the perfect spot for your family, children, tots and friends to enjoy luxury holidays in Portugal.