Airmarine has been a staple in the Chicagoland boating community since the early 1940's. As of 1981, the location by Midway Airport has been owned and operated by Jerry and Kathy Gravesen. Airmarine has become renowned for the knowledge and expertise they and their staff bring to the table.Many people come to Airmarine looking to see if there is something that can be done to get their boat to do something specific to their needs. Usually the answer is YES! Let us know how your current propeller is working, what it is you want and we can recommend a alternative.