Prawn of the Alfacs bay Food and drink · Sant Carles de la Ràpita, Montsià, Tarragona The king prawn of the bay is the star product of the local fish market, of sweet flesh and fine texture thanks to the mixture of fresh and salt water that occurs in the Alfacs. It is prepared on the griddle or boiled and it heads the menus of the port's restaurants. Photo: Francesc Fort (CC BY-SA 4.0) What to see and do in Sant Carles de la Ràpita