​​Boat slips available for mid-season discount

Porthole Marina is located on the Grass Lake with the Chain O’Lakes access in Antioch, IL. Join us for the 2016 boating season and enjoy the most beautiful sunset on the Chain O'Lakes!  

Mason and Gabriela Aron have been running Porthole Marina for 12 years. Our #1 amenity is our helpful and friendly staff making your stay with us the best boating experience on the Chain. 

full service marina & boat slip rental

Slips and storage


Porthole Marina

Our spacious and tranquil marina has 35 slips with water and electric connection that will accommodate boats from 12 feet to 50 feet. We improved our slips to accommodate cabin cruisers!