To protect, preserve, and promote Mass Bay and its surrounding watershed for the enjoyment and benefit of its coastal communities and numerous visitors. We aim to enhance the environmental, educational, economic, cultural, and recreational opportunities associated with the Bay through advocacy, sound science, and community education. We are committed to protecting the ecological health of the Bay, and the public's inalienable right to clean water. Massachusetts Baykeeper ("MBK"), is a non-profit charitable organization concerned with the ecological health of Massachusetts Bay and its tributaries.