Zimnik Kamieniołom is a freshwater quarry site in Poland featuring steep walls and artificial reef structures. Divers enter from a rocky shore, following a cascade descent to reach the depths. A training platform is located at 5 metres, with further wall sections accessible at 8, 10, and 14 metres. The site reaches a maximum depth of 29 metres, with an average depth of 25 metres. Visibility typically ranges between 1 and 6 metres. Due to the deep, cold water and low visibility, this site is suited for divers who are comfortable with these conditions. Air fills are available at the on-site dive shop.

Storm is a shore-entry artificial reef located in the Greater Poland Lakes region of Poland. This freshwater site offers a calm environment suitable for Open Water certified divers to practice buoyancy and navigation skills. The site is accessible year-round from the shore. Divers should be prepared for cold water conditions, which persist throughout the year; water temperatures typically range from 18°C to 22°C in summer and drop to approximately 8°C in April. A drysuit or thick wetsuit is recommended for all dives. Visibility at the site is variable, and divers should check locally for current facility availability before planning a visit.

Krzeszówek is a freshwater quarry site in Poland featuring remnants of a former quartzite mine. The topography includes wreck elements and artificial reef structures submerged within the basin. Divers can reach depths of up to 24 metres. Access is via a shore entry, and the site is suitable for beginners. Conditions generally feature mild currents and visibility ranging between 5 and 10 metres. Divers should remain aware of potential boat traffic and entanglement hazards while exploring the underwater structures. Parking facilities are available at the site.