Jezioro Tyrsko is a shallow freshwater lake in the Masurian Lake District of Poland, reaching a maximum depth of 8 metres. This site is suitable for beginners and those looking to practice buoyancy and navigation in a forgiving environment. Divers enter from the shore to explore the lake, which features reef-like structures. Conditions include mild currents and variable visibility. Due to the nature of the lake, cold water is a constant hazard, and appropriate thermal protection such as a drysuit or well-fitted wetsuit is essential year-round. Divers should arrive self-sufficient with all necessary equipment, including surface marker buoys, as facilities are not guaranteed on site.

Za Piratem in the Masurian Lake District offers a freshwater dive experience suitable for beginners. The site features a wreck and a cave structure, providing clear navigation points within a maximum depth of 12 metres. Divers enter from the shore into mild currents. Water temperatures vary significantly, ranging from 5°C to 8°C in colder periods and reaching 18°C to 22°C during summer. Due to the cold water, a drysuit or thick wetsuit is recommended. The cave section is an overhead environment; divers should remain within the light zone unless properly trained for penetration. Facilities including parking, toilets, showers, and changing rooms are available on site.

Jezioro Wulpińskie is a freshwater lake in the Masurian Lake District offering depths between 3 and 13 metres. The site features a mild current and is suited for intermediate divers looking to practice buoyancy and navigation in varying visibility conditions. Shore entry is available, with parking provided at the site to assist with gear transport. Divers should remain vigilant regarding boat traffic, as it is an active hazard in the area. The use of a surface marker buoy is essential throughout the dive to ensure safety. Conditions can shift, so planning dives for early morning when boat traffic is lightest is recommended.