Mielno Lake in the Greater Poland Lakes region provides a sheltered freshwater environment suitable for divers building confidence. The site is shallow, with depths ranging from 1 to 5 metres, allowing for extended bottom time. Divers can access the water via shore or boat, with mild currents and visibility typically between 5 and 10 metres. The lakebed features freshwater invertebrates and plant life. Facilities on site include parking, toilets, showers, changing rooms, and a rinse station. Divers should be aware of potential entanglement hazards near the wreck structure and monitor local current patterns when entering from a boat. Low visibility may occur, and water temperatures remain cool, peaking around 17.2°C in summer.

Piechcin Quarry is a flooded limestone site offering a variety of underwater attractions and training platforms. Divers can explore depths ranging from 4 to 26 metres, with an average depth of 15 metres. The site features an overhead environment and requires careful management of decompression and nitrogen narcosis risks. Shore entry is standard, and the site is well-equipped with parking, toilets, showers, changing rooms, and a rinse station. On-site facilities also include air fills, equipment rental, and guided tours. The site is suitable for beginners and supports night diving, with typical dives lasting around 40 minutes and visibility ranging between 5 and 15 metres.