SCUBA equipment sales and rentals, classes, trips, specials, and contact information. Located in the Chicago North Shore suburb of Glenview.

A not-for-profit Chicago area dive club offering PADI training and dive trips.

Charter diving service offering shipwreck diving trips on Lake Michigan and Lake Superior. Dates, locations, photo album, contacts, and information request form.

Full service dive shop. Diving and snorkeling instruction and equipment and service, travel, calendar, photo gallery, and contact information. Located in Peoria.

Lake Michigan dive charters, training, and contact information.

Full service dive shop. Training schedules, newsletter, trips, and contact information. Located in Eastern Illinois in Moline.

Full service dive shop serving Northern Illinois and Southern Wisconsin. Services, sales, classes, trips, location, and contact information.

Highland Park PADI center with information on classes, trip opportunities, along with contact and location details.

Full service dive shop. Training schedule, dive charters, map, hours, and contact information. Located in the Chicago suburb of Wheeling.

Full service dive shop. Training, SCUBA equipment sales and repair, trips, maps, and contact information. Located in Hanover Park, a suburb of Chicago.