It is the only vaporetto stop on the Grand Canal that bears the name not of a church or a monument, but of a butcher — and no ordinary butcher. Riva di Biasio owes its name to Biagio Cargnio, the ’beccaro’ (butcher) who had his shop here in the days of the Serenissima, famous for sausages and meat dishes until a customer found a fragment of a human finger on his plate.