The chief building on the island, built in the XVI century, measures over 100mt in lenght. It is the second largest public building in Venice (second only to Corderie dell’Arsenale, Arsenale’s ropery) and it still preserves many writings and original wall paintings. These artefacts record in extraordinary details the presence of merchants, “bastazi” (porters) and guards of Magistrato alla Sanitá (Healty authority of Serenissima). These documents describe arrivals of vessels and trades from Constantinople, Nauplia in Peloponnesus, Alexandria, Cyprus, seals and symbols, names of doges and sailors. 
In the West side it entertains the shows and the events; in the East side it accommodates the deposit realized following a protocol of agreement with the Italian Ministry of Arts and Culture, the Region Veneto Monuments and Fine Arts Office, Nucleo NAUSICAA.