The island was named by lake mariners for its location, placed 'through the charity of God' at the entrance to Saginaw Bay midway between the city of Au Gres, Michigan and "The Thumb".

Its isolated beaches and unique hardwood forest provides excellent habitat for a variety of plants and animals.

Many rare and protected species of plants grow on the Island including Pitcher's thistle, acres of Trillium, Jack in the Pulpit, and Pink Lady Slippers.

In 1993 it was purchased by Standish real estate broker Robert Wiltse and other investors with plans consisting of 24 large houses.

On the northeast end of the island, a small bay is lined with limestone bedrock, offering good holding ground as a place to anchor during storms.

They include the privately owned, rebuilt Charity Island Lightlightkeeper's house and a passing view of Gravelly Shoal Light.