The university restaurants, called "Resto U", are open every day until Saturday lunch time, from 11.30 am to 1.30 pm and from 6.30 pm to 8.15 pm.
- Le Parc: 5, avenue du parc
- Cergy Axe Majeur: 49, avenue des Grenottes
- Saint Martin in Pontoise: Avenue François Miterrand
- Neuville: 5, mail Gay-Lussac
Two cafeterias are based on the IPSL sites.
Within the town, many different specialties are served in over a hundred restaurants and fast food restaurants (crêperie, Asian, Indian, Greek, Italian, etc.), including those located in the shopping centre “Les 3 fontaines”, 10 minutes from ISTOM.