CampJobs.com www.campjobs.com ...the online resource for summer employment opportunities

CampDepot.com www.campdepot.com  ... connecting camps and after-school programs with parents, students, and vendors

Summer Jobs www.summerjobs.com 
... a database of seasonal and part-time job opportunities  

Cool Works www.coolworks.com ... contains job list for seasonal professionals  

Seasonal Employment http://www.seasonalemployment.com/ ... Check out seasonal work opportunities by location or company  

SnagAJob.com www.snagajob.com ... Part-time jobs, searchable by zip code  

BackDoorJobs.com www.backdoorjobs.com ... Short term jobs at camps and resorts