 Comprising the Port Madison Indian Reservation, it is the burial site of Chief Seattle and the site of the Suquamish tribe winter longhouse known as Old Man House.Suquamish is located in northern Kitsap County at (47.730901, -122.564456), across Agate Passage from Bainbridge Island.The village of Suquamish is in the northeast part of the CDP, and Washington State Route 305 crosses the southern part, leading southeast across the Agate Pass Bridge to Bainbridge Island and west to Poulsbo.