Taverne Pan
Greek taverne with great and most important cheap food. A place with nice music and good service. You should definetely try Gyro and Galactoboureko.
Aran
An upscale cafe with great snacks wood oven bread slices with various toppings, hot wraps, custom made icecream
La Piazza
Offers Italian food of all different varieties as well as Italian-style coffee.
Latinos
If you like the idea of Tex-Mex food but hate eating spicy stuff, this is the place for you.
Casablanca
Offers italian food, a great place to sit outside and watch the tourist masses walk by or catch the performances of the street artists.
Suppengrün
Fresh and delicious soup and salad. The salad bar is full of fresh selections including many vegetarian and a few vegan options. Pay according to the weight of your salad. There are several soup options; some change daily.
Elefanten
A restaurant with typical southern-Germany atmosphere, serving typical southern-Germany specialties.
Other recommended restaurants around the old town:
Döner Kebap
There are lots of very good "Dönerbuden" kebap houses in the city center selling this Turkish dish. Ali Baba near the Cinestar movie theater is a special recommendation.
Konstanz has a rich variety of all kinds of restaurants, cafes, bistros and bars. Due to the proximity of the Swiss border, prices are higher than in other cities mentally add 2 Euros to every main dish you are eating in other German cities.In summertime most restaurants offer outside sitting and eating, in the evening hours it is hard to find a place, occasionally.
A yearly published magazine "Die Seezunge" covers many of the Konstanz eateries and is available in tabac shops and kiosks.
A good start to discover the Konstanz restaurant scene is to start at the central marketplace Marktstätte:
Just north of the "Marktstätte" is the old fish market site Fischmarkt:
Karma: Touch of Singapore
Food inspired by Indian, Chinese, Indonesian und Thai cuisine.
Rossini
An Italian restaurant with a great bistro atmosphere.