SONOMA ITALIAN RESTAURANT & BAR IN PETALUMA Restaurant in downtown Petaluma serves healthy, fresh, Sonoma Italian cuisine featuring the finest local ingredients found in Sonoma County. We provide a memorable fine dining experience second to none, transporting you to the rustic elegance of an Italian Trattoria. RATED BEST RESTAURANT IN PETALUMA Risibisi has received many awards (for its healthy traditional cuisine and customer service) including recognition in the Michelin Guide every year since 2008. The Zagat Guide awarded Risibisi with the highest food rating among all restaurants in Petaluma and one of the highest in the North Bay.