Porthole Marina

39922 N Lakeview Rd
Antioch, IL 60002
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Phone: 815-861-9997




Service Center: 7 a.m. - 6 p.m.

Office Hours: 9 a.m - 5 p.m. with 24 hour call forwarding


Our spacious and tranquil marina has 35 slips with water and electric connection that will accommodate boats from 12 feet to 28 feet. Currently we have open slips that can accommodate cabin cruisers up to 30 ft. Arriving by land, we are located in Antioch, IL off Grass Lake Rd, 1.6 miles west of Route 59. Arriving by water, we are located on the East Shore of Grass Lake. The marina is conveniently situated only a few minutes away from Blarney Island. Boat owners will enjoy the immediate access to Grass Lake combined with the security and comfort of a sheltered harbor. Porthole Marina is committed full service marina that provides and delivers the highest quality of customer service, professionalism and friendliness. Our experienced and knowledgeable staff always puts our customers first to insure the purest quality that boating has to offer. Porthole Marina strives to provide a convenient and enjoyable boating experience every time!

Porthole Marina has been serving boaters for over 25 years, in 2009 it became a new home for Skunkworks Marina, which was previously located at Steitz's Resort.
Our service department specializes in Mercruiser, Volvo, Mercury, PCM marine engines and much more.

Our employees are passionate and experienced marine technicians that are guaranteed to provide every customer with excellent service.

We offer:

35 slips sheltered marina
On-site complete service marina featuring 6000 sq feet indoor service department
Off-site marine service fleet
Indoor/Outdoor trailer storage
Indoor/outdoor summer storage
Winter Boat Storage (accommodates boats up to 40 Feet)
Shore Power and Water for slips
Clean Restrooms
Complete Boat Detailing

Porthole Marina understands that for many owners time spent on board their boat is precious. That's why we are committed to fixing your boat and having you on the water quicker than any other facility on Chain O'Lakes.


Grass Lake

Public Boat Launch


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