If you have an hotel downtown, you may use the tramway A (direction "Campus 2") to go to GANIL. Closest stations are "Citis" or "Côte de Nacre".
Lunches will be organised at the restaurant of GANIL.
Dinners, those not organised by GANIL, are free. You will find restaurants downtown, mainly on the haven, and in the "Vaugueux" area.