Background: Mindfulness-Based Cognitive Therapy (MBCT) has been shown to be effective in preventing relapse of depression in adults, but has not previously been applied to adolescents who have residual symptoms of depression following treatment. Method: An 8-week MBCT group was adapted for adolescents, and evaluated using qualitative and quantitative measures. Results: Participants report high levels of satisfaction with the group intervention. Qualitative analysis of semi-structured interviews provides areas for future development of this intervention. Pilot data indicate reductions in depressive symptoms, alongside positive change in mindfulness skills, quality of life and rumination. Conclusions: Preliminary evidence for the use of MBCT with this group of adolescents is provided.