Access pass, depth, and on-site facilities.
Clear quarry lake in South Beloit with training platforms and sunk attractions.
Clear quarry lake in South Beloit with training platforms and sunk attractions.
Entry is only available through dive shops and their divers.
Pearl Lake is a spring-fed quarry lake in South Beloit with clear freshwater, intentional dive sites, and multiple training platforms. It is a classic Midwest training stop for certified divers, with sunken attractions, an office check-in process, and a weekend rhythm that rewards planning ahead. Freshwater fish and a sheltered quarry basin make it especially useful for courses, buoyancy work, and relaxed local dives.
Conservative baseline from public research. No community dives logged yet.
Depth range, seasonality, and planning context.
Reported Depth
0m - 26m
Depth Note
Shallow training zones lead into a deeper quarry basin with platforms and sunk attractions.
Best Season
Mid-April through early October, matching the scuba season.
Typical Conditions
Clear freshwater quarry conditions with training platforms, sunk attractions, and frequent weekend use.
Site conditions, restrictions, and access requirements.
Site Conditions
Safety Notes
Follow the check-in process and site rules. No solo, snorkeling, or free diving are allowed, and weekends can be busy.
Access Restrictions
Certified divers, students, and instructors only; no solo diving, snorkeling, or free diving; check in before entering the diving area.
Legal Notes
Seasonal operating windows and site rules are enforced, and off-limit areas can trigger fines or bans.
Community notes to help plan your visit.
Scuba Diving
Ideal for training dives, buoyancy work, and relaxed quarry exploration among the platforms and sunk objects.
Community dive logs and visit reports for this site.
Average conditions based on logged dives & visits.
Planning answers for access, conditions, timing, and site logistics.
Last Updated
Research Sources
Access pass, depth, and on-site facilities.
Certified-diver rules, season, and visibility.
Training-lake character, fish abundance, and weekend crowding.
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