Harborside Marina is a full service marina located 60 miles Southwest of Chicago on the Illinois River. Our mile marker is 273.3 near the mouth of the Kankakee River Southwest of Joliet, Illinois. We offer a full service department and complete sales department. We are new boat dealers for Escape Pontoons, Scarab Jet Boats, Evinrude Outboards, EZ Loader Trailers, Yamaha Outboards, and Wellcraft Boats. We also have a great selection of used boats and yachts. Come see us Tuesday through Sunday, we are open six days a week!