Amadeus Amadeus is the first and best alternative in Puerto Rican cuisine with a nouvelle twist. The locals prefer Amadeus for our flavor, our friendly service, and our ambiance, either in the two indoor salons or in the new outdoor area at San Jose Square. Located in the heart of the Old City, Amadeus offers a wide variety of alternatives, from fried plantains (tostones) with caviar to delicious fish mousse. Dress code: casual / elegant