This article discusses ethics in the context of the participatory culture of social media as it relates to art therapy. The authors present the view that social media formats are important venues for expression that contribute to interpersonal connections and social learning via the active participation of their members. To make informed ethical choices regarding participation in social media, it is essential to understand the culture of social media and their relationship to identity formation and personal expression. Art therapists may navigate the complex ethical issues of social media by expanding their range of expertise, being mindful of online behaviors, and establishing clear policies and procedures to protect clients, themselves, and the therapeutic relationship.