Some tips for having a meal, a coffe, or a walk, all within walking distance:
Kaffee Frühling - very close to the venue, always crowded
Kaffee Finkmüller (Klybeckstrasse) - more space, lots of plants
Da Graziella - Italian style coffee place
Confiserie Beschle (Clarastrasse) - sweets and bakery
Choi Asia Garden - friendly Asian fusion
Lu - Mezze and oriental specialities
Acento Argentino (Kaserne) - Empanadas, Empanadas, Empanadas
Vito - our favorite pizza in town, very small place, better for takeaway
Parterre - European kitchen
There are many other restaurants and take aways in the area, but these are my favourites.If you visit Basel for the first time, I suggest to stroll along the Rhine and take the ferry in front of the big cathedral (Munster).