Description: The Official Mercer Island Historical Society site. Here is the place to discover Mercer Island's rich history in Washington State. The Island's story is told through photos and historical markers, along with the Society's support of books that further document the Island's journey from wilderness to residential lifestyle.
Don't Forget Our Book! "Mercer Island" From haunted wilderness to coveted community
Available at Island Books!
Mercer Island Historical Society Founded 1954 Keeping History Alive on Mercer Island A Washington State Non-profit Charitable organization with 501(c)(3) status.