There are 17 restaurants in Agios Gordis. I am not counting fast food or snack bars etc.
Here is a list as you can find them by coming down the way from Corfu town. Some of them have a website.
Aloha Hotel & Restaurant, Mad Greek, Stevens on the hill, Sebastian s, Alexis' Bar Restaurant, Linda's, Delphi, Chinese Restaurant, Mexican Restaurant, Mermaid, Argo, Alex in the garden, Michalis' Place, Zefiros, Thalassa, Sea breeze and Posidinio.
Hope I didn't miss something. PM me for mistakes or miss.