Marché Maubert
This is one of Paris' oldest open-air markets, with roots in the medieval period.
Location: Place Maubert
Open Tuesday and Thursday, 7:00 am to 2:30 pm, and Saturdays from 7:00 am to 3:00 pm
Metro: Maubert-Mutualité

Marché Place Monge
Place Monge
Open Wednesday and Friday, 7:00 am to 2:30 pm, and Sundays from 7:00 am to 3:00 pm
Metro: Place Monge

Marché Port Royal
This market stretches along the Val de Grace hospital on Boulevard du Port Royal
Open Tuesdays and Thursdays from 7:00 am to 2:30 pm and Saturdays from 7:00 am to 3:00 pm
Metro: Port-Royal

Find food markets in other neighborhoods of Paris here

Information on market locations and times was sourced from the official Paris city website