Take the "Alilaguna" ferry near the airport. Get off the ferry at the Zattere stop in front of the "Gesuati" church. Turn right and walk along the Zattere: you have to cross two bridges. After the second bridge continue along continue along the Zattere until you get to the church of the Spirito Santo. Turn left and walk up "Calle Larga della Chiesa". At the end of the calle you will find a small square which you must cross diagonally. Turn into "Calle della Crea" and walk all the way down it. At the end of the calle turn left on Fondamenta Soranzo. Walk up to nr. 316-B and ring bell number one.