Hog Island is an island spanning 330 acres (130 ha) located in Muscongus Bay in Bremen, Maine, United States at the end of Keene Neck Road. It is a part of the Todd Wildlife Sanctuary, which includes an additional 30 acres (12 ha) on the mainland across from the island, as well as the current home to the Audubon Camp in Maine operated by the Seabird Restoration Program (Project Puffin) of the National Audubon Society.[1]