About Us

Porthole Marina, Inc. located in Antioch, Illinois

aims to provide the highest quality marine services. 

Our marina is was founded in 2004. Originally located at Steitz’s Resort, the company relocated to Porthole Marina, Antioch, IL. Since we opened the door, we have maintained a high level of customer confidence and satisfaction. The owner has extensive experience in building race engines, managing and servicing boats of all sizes. Mason Aron has been working in the boating industry since 1997, started racing in 1999 and built his first performance engine in 2002. He specializes in Mercruiser, Volvo, Mercury, PCM marine engines and much more.

We just entered our 15th year of operation. Our work have been very well received by the customers and the boating industry. After winning the Lake of the Ozarks Shootout in 2008-2011, we experienced expanding interest in our services.

Pontoon boat built at our marina Reached 100mph 

Porthole Marina  

High quality boat repair and custom engine services on the Chain O'Lakes.