The MAC Research Division includes several departments all of which are open to the public or study assistance. Information requires requests and appointments.

The Research Department contains many old records, scrapbooks, copies of oral history, copies of newspapers, yearbooks, maps, and records from old businesses.

The Library has many books, newspapers, and magazines particularly those relating to Northern Olympic Peninsula history and many books about the arts.

The Genealogy Department helps with requests for local information about people and families from the Sequim - Dungeness area.