Allyn is an unincorporated community in Mason County, Washington, United States. It is part of Allyn-Grapeview, a census-designated place that also includes the community of Grapeview. Allyn is located on the western shore of North Bay region of the Case Inlet of the Puget Sound. The area's main road and thoroughfare is State Route 3. Lakeland Village development, a residential and recreational corporation begun in the late 1960's, has grown over the years into a major community and today includes over 800 homes, a 27 hole golf course, a large club house for resident and public use, and a restaurant. The community was first settled in 1853. The town was platted and papers to form the town were filed on September 6th, 1889, naming the town after Judge Frank Allyn of Tacoma who was influential in the early development of Allyn. By 1890 Allyn had a post office, school, newspaper, sawmill, two saloons, a hotel and wharf. The local community based monthly newspaper called the North Bay Review, services Allyn.