Chicagoland Dive Sites
Divers in the Chicago area have access to a mix of inland quarries and Lake Michigan wrecks. Quarries provide controlled conditions for training, practice, and local fun dives. Charters on the lake open up historic wrecks and deeper profiles. This hub gives you a quick overview of the major sites, typical conditions, and what services to expect when you visit.
How to use this hub
Scan the site cards to match depth, access, and services with your goals. Check for on site fills, rental options, and proximity to training platforms for skill work. Use temperature and visibility notes to choose exposure protection and plan realistic objectives. Follow each link for full site guides and current rules before you go.
Most quarries require you to bring your own tanks or rent through a local shop. See our Chicagoland Dive Shops list to arrange fills, rentals, or instruction before you go.
Conditions and gear planning
Local quarries are often cooler below the thermocline, so a 7mm or a drysuit is common at depth. Visibility changes quickly with traffic and weather, which affects navigation and buddy contact. Charters on Lake Michigan may shift schedules with wind or waves, so build in margin and confirm the plan. Bring surface signaling gear and a gas plan that fits the site limits and your experience.

Three Oaks Recreational
Chicagoland's smallest dive site and a max depth of 40 with training platforms, sunken row boats, and a marked circuit. Expect 60°F water at depth, so a 7mm or drysuit is common. Local shops provide rentals and guided dives since no services are on site.

Pearl Lake
Chicagoland’s top dive site, known for clear water, scattered attractions like a small plane, and depths to 40 feet (with a deeper hole to ~85). It calls for a 7mm or drysuit at depth. No on site fills, so divers rely on local shops for weekend training and group dives.

Haigh Quarry
Chicagoland’s busiest dive site, with on site fills and easy entry that make it popular for training. Visibility is often poor from silt and heavy traffic with depths reaching 70 feet. Attractions include bluegill aggressive enough to nip.

Lake Michigan (South)
Double Action Dive Charters runs from Hammond Marina, offering access to southern Lake Michigan wrecks. Roomy galley, upper deck, and organized dive setup with giant stride exits and a stern ladder entry. Conditions can change quickly, so divers should be ready for last minute shifts or cancellations.