- Cafeterias and convenience store at KEK:
https://www2.kek.jp/usersoffice/pdf/helpful/BusinessHours&menu.pdf
- There are several choices of restaurants around KEK (mainly in the Oho area accessible from KEK by bus (approximately for 5 min) or by walk (approximately for 15 min):
https://www2.kek.jp/rso/test/eng/Map/Restaurantl.html
- There are more choices of restaurants around the Tsukuba station:
https://goo.gl/maps/ZAM2fFJfRkQxa7Lq5