There's 'The Lodge' on Central Ave. in Newark, 'Atmosphere' on Wainwright and Nye in Newark, 'Loft 47' on Edison Pl. in downtown Newark, clubs 'Sho' and 'Dolces' in Elizabeth and 'Four Sixty Six' on Prospect Ave. in West Orange (right off of Rt. 280).
Hope this helps.
What kind of clubs are you looking for? Nightclubs? Social Clubs? Try Walk Score which will give you some insight of what's around in neighborhoods by typing in a street address or addresses. Here's the link for Walk Score: http://www.walkscore.com/
Hope that helps.