Grosse Ile Municipal Airport (ONZ) 9601 Groh Road, Grosse Ile, MI 48138 Visit Website Contact Body Former site of the Navel Air Station on Grosse Ile, we are a municipal airport. Local: (734) 675-0155 Fax: (734) 675-0932 [email protected] Amenities Accessible Travel What's Nearby Airports Grosse Ile Municipal Airport (ONZ) More Info Lighthouses Grosse Ile North Channel Front Range Lighthouse More Info