Grand Haven is a city in the U.S. state of Michigan and the county seat of Ottawa County. Grand Haven is located on the eastern shore of Lake Michigan at the mouth of the Grand River, for which it is named. As of the 2010 census, Grand Haven had a population of 10,412. It is part of the Grand Rapids Metropolitan Area, which had a population of 1,027,703 in 2014. The city is home to the Grand Haven Memorial Airpark (3GM) and is located just north of Grand Haven Charter Township.