Little Charity Island is a small island in Saginaw Bay, Lake Huron. The 5.4-acre (0.02 km2) island is located in Sims Township, Arenac County in the U.S. state of Michigan. Acquired by the U.S. Fish and Wildlife Service in 1999, it is administered by staff from the Seney National Wildlife Refuge as a unit of the Michigan Islands National Wildlife Refuge.