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Big Kahuna Scubalocated in the heart of Lake County, Illinois in scenic Grayslake is a full service dive shop and serves the communities of Gurnee, Fox Lake, McHenry, Lake Villa, Grayslake, Round Lake, Volo, and Lindenhurst. We provide divers with scuba instruction, dive travel, scuba gear sales, service and rentals. Our mission is to produce the safest and most educated divers in the world by providing up-to-date training materials, facilities and dive equipment to introduce new divers to the wonderful world of scuba, and provide existing divers with continuing education and top quality dive gear.


By partnering with the best equipment manufacturers such Sherwood, Zeagle, Apollo, Cochran, TUSA, Fourth Element, Olympus, and Sea and Sea, we have the ability to provide our customers with the widest selection of dive related products at the absolute best prices.


In addition to quality equipment, we offer a variety of certification courses from SDI, NAUI, PADI, and DAN. Course offerings range from beginning scuba diver certification courses to Advanced and Specialty Diver programs and more. Our fully certified instructors are ready to provide the highest quality instruction whether you are new to diving or an inactive diver thinking about re-certification.

We look forward to providing you with professional and courteous service as well as an experience and education that will last a lifetime…