The old customs building, located next to the small church of San Nicolo on the old Harbour, it has news since 1329, when he was called arsenal or dock and was used for custody of 1405 to 1797. fleet From the territory was dominated by The Venetian Republic which regarded Lazise Lake domain and the key kept in the Venetian customs building two boats, whose remains still lie in the Lake at 100 m away from the port. In the 16th century was used (keeping the sheep) in the manufacture of ammonium nitrate, a component of gunpowder. In the 17th century was dismantled to make it into a customs for goods, which passed preferably via Lake to avoid the dangers of banditry in the forest zone on the way between the Veneto to Lombardy. During the centuries it was used also as settlement for spinning cotton, as market and how Casa del Fascio. Has been the subject of a recent renovation in 2003, they returned the original splendour as a result of which the building was intended to House conferences, weddings, art exhibitions, concerts, fashion shows, conventions, as well as cultural and social events. The structure blend finely the taste of a picturesque setting with the most modern technology of a multi-purpose Conference Centre.