Geopark 1 Leknica is a freshwater site in Poland featuring an artificial reef structure accessible directly from the shore. The site is suitable for beginner snorkellers, with depths ranging from the surface down to 11 metres. The current is mild, though visibility can vary significantly between visits. Cold water is a constant factor at this location, making thermal protection essential throughout the year. Parking is available at the site, providing straightforward access for transporting equipment to the water.

Wetro is a freshwater dive site in Germany offering a diverse underwater topography that includes reefs, wrecks, walls, drop-offs, and caves. Divers can explore an artificial reef structure with depths ranging from 17 to 57 metres, averaging 25 metres. Entry is via the shore, and typical dives last around 45 minutes. Visibility generally fluctuates between 5 and 15 metres. The site features thermoclines and cold water temperatures, particularly at depth. Hazards include the deep nature of the site, potential for entanglement, low visibility, and overhead environments. On-site facilities include air fills, equipment rental, parking, toilets, showers, changing rooms, a rinse station, and first aid services.

Goldgrube in Wetro is a flooded basalt quarry featuring two distinct pits separated by a dam at a depth of approximately 18 metres. This freshwater site offers a challenging environment for advanced divers, with depths ranging from 18 to 56 metres and an average depth of 35 metres. Divers access the water via a ladder and can utilise training platforms located at 4 and 8 metres. Conditions include mild currents and visibility between 3 and 8 metres. The site is suitable for night diving and features an overhead environment. Facilities on-site include toilets, air fills, guided tours, and a dive shop, with camping available nearby.

Olbasee is a landlocked freshwater dive site in Germany offering shore access. The site reaches a maximum depth of 32 metres, providing opportunities for both beginners and those looking to progress. Visibility is variable, ranging from 3 to 20 metres depending on local conditions. The site is open year-round and supports night diving. On-site facilities include air fills, guided tours, parking, toilets, showers, and changing rooms, allowing for a convenient experience. With no current, the site is suitable for focusing on buoyancy and training.

Koenigshain is a freshwater artificial reef site in Germany accessible via shore entry. The site features depths ranging from 15 to 33 metres, requiring careful planning for newer divers as they navigate the deeper sections. Visibility is generally around 5 metres, necessitating close proximity to the structure throughout the dive. The site is suitable for beginners, though the significant depth and restricted visibility require constant monitoring of gauges and awareness of surroundings. On-site facilities include parking and air fills, with guided tours available for those unfamiliar with the site layout.

Gryzyce 4 is a shallow artificial reef located in the Western Poland Lakes. This site is suitable for beginners, offering depths between 1 and 6 metres with an average of 3 metres. Divers can expect mild currents and visibility ranging from 3 to 8 metres. The site is accessed from the shore, though local guidance suggests using a boat for entry and exit due to specific depth requirements. Cold water is a primary hazard, necessitating adequate thermal protection throughout the year. A dive shop is available on-site for equipment and support. Typical dives last approximately 30 minutes.

Steinbruch Horka is a flooded quarry offering a distinct freshwater diving experience. The site features a rocky basin topography with depths ranging from 5 to 35 metres, averaging 15 metres. Divers can explore various submerged structures, including an antique pump house, old mining equipment, and miscellaneous everyday objects like benches and a cigarette machine. Access is via the shore, with visibility typically between 10 and 30 metres and mild currents. The site is suitable for beginners and supports night diving. On-site facilities include parking, toilets, showers, changing rooms, a rinse station, air fills, equipment rental, a dive shop, and a cafe.

Graebendorfer See is a flooded former open-cast mine offering deep freshwater diving. The site features various artificial structures and wrecks located between 6 and 55 metres, with an average depth of 20 metres. Divers access the water via a straightforward shore entry. Visibility typically ranges from 5 to 15 metres, though it can fluctuate due to thermoclines encountered during descent. The water remains cold throughout the year, making dry suits or thick wetsuits necessary. Due to the depth and the presence of wrecks, this site is suited for intermediate divers who should carry a cutting tool and monitor air consumption closely.