Note - payment is only possible in cash. We were brought to O Maravilhas, an authentic Portuguese restaurant in the Alcantara harbour district by Luis, the owner of the Halcyon sailboat, after a sunset sailing cruise. Otherwise we would never have found it. The food was quite good and very cost effective. We loved the rice with duck in particular (arroz de pato). Afterwards we found our way back to our hotel easily by taking tram 15E on the main road just 100 meters from the restaurant, and switching to the subway at the Cais de Sodre station.