Within school environments, where bullying interventions are usually studied, the preponderance of bullying incidents generally occur in less structured settings (Hazler, 1996; Leff, Power, Costigan, & Manz, 2003; Olweus, 1997). Outside of school, children spend time in relatively unstructured community environments, with minimally trained staff. There is a need to examine the effectiveness of bullying interventions in these settings. This pilot study examined the use of the Bully Busters program (Horne, Bartolomucci, & Newman-Carlson, 2003) in a summer day camp. Disciplinary referrals, bullying incidents, and counselors' perceptions of their skills/knowledge, self-efficacy and of the program itself were examined. Bullying incidents and disciplinary referrals decreased over the summer. Counselors' perceptions of their efficacy, skills, and knowledge changed from pre- to post-intervention. The relevance of these findings, recommendations for adapting school-based interventions to non-school settings, and directions for future research are discussed. (Contains 2 tables and 3 figures.)