Venice is something more than a San Marco square so open your eyes wider and go to see the other city districts. For example Giardini, where you can find not only a beautiful park, but also a life of a common venetians. To discover more , just go to the closest bookstore and buy a guide dedicated to venetian secret routs “Corto sconto” by Guido Fuga and Lele Vianello. You can easyly find an English and a French versions.