Places to go on your own

Polyglot Cafe, meet new people and practice speaking French or chat to someone in your own language
http://www.polyglot-learn-language.com/meetings/france/nle-de-france-paris/meetup-region_id-1.html

SALSA! At barrio latino bar at bastille
http://www.facebook.com/group.php?gid=47239252728