Big Bay is an unincorporated community in Marquette County of the U.S. state of Michigan. It is a census-designated place (CDP) for statistical purposes and does not have any legal status as an incorporated municipality. As of the 2020 census, the CDP had a population of 257, the Big Bay post office with ZIP code 49808, serves a much larger area to the west and south of the community and CDP, including portions of Powell Township as well as Ishpeming, Champion, Michigamme, and Ely townships.
History
Big Bay was established in 1875 by people involved in the lumber industry.
Geography
Big Bay is in northern Marquette County, northwest of Marquette, the county seat, and by road east of L'Anse.
According to the United States Census Bureau, the Big Bay CDP has a total area of , of which are land and , or 35.61%, are water.
As of the census
Bay Cliff Health Camp is located in Big Bay. It is a year-round, non-profit wellness camp for children and adults with physical disabilities.
Climate
This climatic region is typified by large seasonal temperature differences, with warm to hot (and often humid) summers and cold (sometimes severely cold) winters. According to the Köppen Climate Classification system, Big Bay has a humid continental climate, abbreviated "Dfb" on climate maps.