 Today, most Suquamish people are enrolled in the federally recognized Suquamish Tribe, a signatory to the 1855 Treaty of Point Elliott.Chief Seattle, the famous leader of the Suquamish and Duwamish Tribes for which the City of Seattle is named, signed the Point Elliot Treaty on behalf of both Tribes.The Suquamish Tribe owns the Port Madison Indian Reservation.