Caseville is a city in Huron County in the U.S. state of Michigan, located at the mouth of the Pigeon River on Saginaw Bay of Lake Huron. The population was 652 at the 2020 census. The city is surrounded by Caseville Township. A popular destination for summer tourists, it sponsors the 10-day Cheeseburger in Caseville festival, a tribute to Jimmy Buffett's song "Cheeseburger in Paradise". It has been also called the "Perch Capital of Michigan" for its extraordinary catches of the native fish yellow "perch".

Huron County is a county in the U.S. state of Michigan. As of the 2020 Census, the population was 31,407. The county seat is Bad Axe. Huron County is at the northern tip of the Thumb, which is a sub region of Mid Michigan. It is a peninsula, bordered by Saginaw Bay to the west and Lake Huron to the north and east, and has over 90 miles (140 km) of shoreline, from White Rock on Lake Huron to Sebewaing on the Saginaw Bay. Huron County's most prominent industry is agriculture, as with most of the other Thumb counties. Huron County enjoys seasonal tourism from large cities such as Detroit, Flint, and Saginaw. Much of the tourism is in the Port Austin and Caseville area.