Items lost / left on aircraft are kept by the airline. Contact your airline directly regarding lost or damaged luggage at:
Items surrendered at the passenger security screening checkpoint are kept by TSA and are not eligible to be reclaimed. For articles left at a TSA security checkpoint, please contact the TSA at 866-289-9673 or the TSA website.
The airport’s lost and found is located in the Airport Administration office adjacent to the passenger terminal building. You may call 231-798-4596 during normal business hours Monday through Friday between 8 a.m. and 5 p.m. for assistance.