This publication summarizes the current state of knowledge about Great Lakes coastal wetlands based on the information presented at the Millennium Wetland Event symposium. Information on wetland development and classification, summaries of wetland vegetation communities, and details of the fish and wildlife species that use Great Lakes coastal wetlands as habitat are all found within the following pages. Wetland conservation initiatives and some of the challenges of performing wetland science in such a large and diverse environnment are also highlighted.