The mission of the Mercer Island Historical Society is to collect, preserve, research, record and make available the heritage of Mercer Island.
To acquire, collect, preserve, label and store historical documents, records, artifacts and memorabilia pertinent to Mercer Island history.
To promote the history of Mercer Island by presenting programs to community organizations and schools.
To share the history of Mercer Island in local displays and exhibits and more globally on the Internet.
To partner with public organizations and other organizations in preserving and protecting all aspects of Mercer Island history.
To seek public and private investments in all areas where support of any society function requires financial assistance.