Erikateich is a freshwater dive site in the Vienna Area featuring an artificial reef structure. It serves as a practical training ground for beginners, with depths ranging from 2 to 12 metres and no current. Visibility is generally 5 metres. The lake functions as an industrial cooling pond, resulting in stable, pleasant water temperatures that can reach 24°C in summer. Shore entry is straightforward, and the site is equipped with parking, toilets, showers, changing rooms, and a cafe. Divers can expect to encounter typical temperate freshwater fish and invertebrates within the habitat.

Neufelder See is a freshwater dive site in Austria featuring submerged wrecks and artificial reefs. Divers can explore depths ranging from 5 to 23 metres, with an average depth of 12 metres. The site is accessible via a shore entry and is suitable for beginners. Conditions include mild currents and visibility ranging from 4 to 20 metres. Water temperatures are cool, typically reaching 18 to 24°C in summer, so a wetsuit is recommended. Facilities at the site include parking, toilets, showers, changing rooms, a cafe, and a dive shop. Night diving is permitted, and a typical dive lasts approximately 40 minutes. Hazards include cold water and potential for low visibility.

RedDoc is a freshwater shore-entry dive site located in the Vienna area. Divers can explore a reef structure at depths ranging from 3 to 16 metres, with an average depth of 8 metres. Conditions are generally manageable with mild currents and visibility between 3 and 10 metres. Due to cold water temperatures that can drop to 2C, dry suits or thick wetsuits are necessary. Divers should exercise caution regarding entanglement hazards and sharp rock formations. Air fills and guided tours are available to assist with navigation and site orientation. The site is suitable for beginners, though sturdy footwear is recommended for the shore entry and exit.

Dive Company is an artificial reef site located in the Vienna Area of Austria. Divers can explore depths ranging from 5 to 23 metres, with visibility typically varying between 4 and 20 metres. Entry is via the shore. Facilities available at the site include parking, toilets, showers, a dive shop, air fills, and equipment rental. Due to the nature of the environment, low visibility is a potential hazard. Species recorded around this area include freshwater jellyfish, snails, common carp, common perch, sun perch, and rudd.

Tauchplatz Alte Donau is a sheltered oxbow lake in the Vienna Area, offering a calm, freshwater environment suitable for beginner divers. The site features an artificial reef structure, providing a focal point for navigation within the 3 to 7-metre depth range. Divers can expect visibility between 4 and 5 metres, though this may fluctuate following heavy rainfall. Shore access is available, and facilities include parking, toilets, showers, and changing rooms. Due to active boat traffic on the Alte Donau, divers must remain within the marked dive area and use a delayed surface marker buoy during all ascents.

Birthday is a shallow artificial reef located in the Vienna Area of Austria. This site features depths between 3 and 5 metres and offers visibility ranging from 5 to 10 metres. The calm, current-free environment makes it suitable for beginners to practice buoyancy and navigation around artificial structures. Shore entry is straightforward, though divers should remain vigilant for entanglement risks from submerged debris and sharp edges on the reef materials. Active boat traffic is present in the area, requiring constant awareness. On-site facilities include a dive shop providing air fills and guided tours, which are recommended for first-time visitors to familiarise themselves with the site layout.

Grossenzersdorfer Arm is a shallow freshwater arm of the Danube system, providing an accessible environment for beginner snorkellers. Entry is made directly from the shore into a mild current. The site features a reef structure in depths ranging from 2 to 6 metres. Visibility typically spans 5 to 10 metres, though it can fluctuate between 3 and 7 metres depending on conditions. Snorkellers should remain vigilant regarding boat traffic and stay clear of designated transit lanes. Due to potential entanglement risks and sharp rocks, caution is advised throughout the session. Species recorded around this area include snails, common carp, sun perch, rudd, pike, and common perch.

Neufelder See Nordrunde is a freshwater shore-entry dive site featuring a northern circuit that incorporates a wall, natural reef structures, and artificial reef elements. Divers can explore depths ranging from 5 to 20 metres, with an average depth of 15 metres. The site experiences mild currents and visibility that varies between 4 and 15 metres. Suitable for beginners, the location is well-equipped with on-site parking, toilets, showers, changing rooms, and air fills. Night diving is permitted, and the site remains accessible year-round. Divers should be aware of potential boat traffic during entry and exit and carry a torch to navigate the varied underwater topography.