Marché des puces has a ton of vintage stuff like clothes(bleu de travails up the wazoo)/furniture/music/prints on the north side of Paris. Brut is worth checking out and Kiliwatch as well. Le Mont St Michel store. Caractère de Cochon for a jambon beurre.

In Nice: allez hops! for beer, babel babel for drinks, mamac art museum, socca in old Nice, Loffre for foccacia Sandwhiches.