Grannis Island is an uninhabited island in the Quinnipiac River in New Haven, Connecticut. It is owned by the New Haven Land Trust as part of the Quinnipiac Meadows Nature Preserve.
Map of Grannis Island, New Haven, CT 06513, USA
The island was inhabited by Quinnipiac Native Americans in historic times. Archeological digs have identified dog burials, middens, fire pits and other signs of human habitation.
References
Grannis Island Wikipedia(Text) CC BY-SA