Dolphin Harbor

26175 W Oak Ave
Antioch, IL 60002
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Phone: 847.395.1995



Tuesday-Friday: 9:30 a.m. - 4:30 p.m.

Saturday-Sunday 9:00 a.m. - 5:00 p.m.


Dolphin Harbor in Old Mill Creek offers boaters and campers an ideal location, right on the edge of Grass Lake. With seasonal rates for boat slip rentals, they also offer year round campsite and boat storage rentals. Dolphin Harbor is a gated community of campers and boaters with clean restrooms, shower facilities and everything needed to relax and enjoy weekends on the Chain O'Lakes.

Their ship store offers ice, pop, snacks, ice cream, a propane exchange station, and toiletries for ultimate convenience. In case of a change of weather, they also sell shirts, sweatshirts and jackets.

We also offer a full service shop with certified technicians, four launch ramps and an overhead hoist for all of your boating needs. Plenty of room for guest parking, both car and boat. Beautiful sandy point with a bonfire pit, large screened gazebo and picnic tables for your enjoyment. A perfect place to marvel at the beautiful summer sunsets over Grass Lake!

Full Service Marina with 106 boat slips, Winterizing & Storage, Park Model & RV camping (seasonal only), 50 campsites, all priced to include a boat slip.


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