Hotel Ai Cavalieri di San Marco, the new Exclusive 4-star Hotel in Venice, next opening December 2014 Hotel Ai Cavalieri di San Marco, new exclusive 4 stars Hotel in Venice, opening December 2014. Hotel Ai Cavalieri di San Marco - Campo Santa Marina - 30122 Venice - info@hotelaicavalieri.com Provengest Srl, San Polo 2237, 30125 Venice - VAT number 03922500271