Silkeborg Frømandsklub is a freshwater artificial reef site located in Aarhus, Denmark. The site features depths ranging from 4 to 30 metres, with an average depth of 15 metres. Divers encounter mild currents and visibility typically between 2 and 7 metres. Due to the cold water conditions, which include potential ice diving, appropriate thermal protection such as a drysuit is essential. The site is accessible by both boat and shore, though boat entry requires attention to local swell and surge. Facilities available include air fills, a dive shop, guided tours, and boat charter services. It is suitable for beginners, though divers should monitor their depth carefully near the drop-offs.

Marselisborg is a shore-entry artificial reef located in the Little Belt, Denmark. The site features shallow depths ranging from 3 to 8 metres, with an average of 6 metres, making it suitable for beginner divers. Conditions include mild currents and visibility around 5 metres. Divers should be aware of boat traffic, surf, and surge at the entry point. Jellyfish are present, so covering exposed skin is recommended. The site offers full facilities, including parking, toilets, showers, changing rooms, and a rinse station. Night diving is permitted, and due to water temperatures ranging from 4 to 16 degrees Celsius, a drysuit is recommended for most of the year.

Sportsdykkerklubben KVAK features an artificial reef located in Aarhus harbour, offering a depth range of 8 to 40 metres with an average of 20 metres. This site is suited for intermediate divers looking to progress from shallower depths into deeper water. Visibility typically ranges between 5 and 10 metres. While currents are generally mild, they can become strong, and divers must remain aware of vessel traffic. Water temperatures fluctuate between 4 and 15 degrees Celsius, making a drysuit and thermal protection essential. On-site facilities include changing rooms, showers, a rinse station, air fills, equipment rental, and a cafe to support your dive.

Marselisborg Marina Mole in the Little Belt is an artificial reef site suitable for beginners. Divers can explore the structure of the mole, which offers depths ranging from 2 to 8 metres with an average of 5 metres. Access is via a shore entry. The site experiences variable conditions, and divers should be aware of potential surf. Facilities available at the marina include parking, toilets, showers, changing rooms, and a cafe. Due to the nature of the site, divers should monitor local conditions closely before entering the water.

Stationsgade is a shore-entry reef dive located in Aarhus, Denmark. The site features a consistent depth of 6 metres, making it suitable for beginner divers looking to practice buoyancy in calm conditions. Divers encounter mild currents and visibility ranging from 5 to 10 metres. Water temperatures fluctuate significantly throughout the year, from 4C in winter to 17C in August, necessitating appropriate thermal protection such as a drysuit or thick wetsuit. As facilities are not confirmed on-site, divers should arrange equipment and air fills prior to arrival. The site offers a temperate reef environment where patient observation may reveal local reef fish and invertebrates.

Ydermolen is an artificial reef located in Aarhus Harbour, Denmark, offering depths between 8 and 16 metres. The site consists of a man-made structure that provides hard substrate for temperate marine life and invertebrates. Divers must access the site by boat, as entry and exit procedures are restricted to the vessel. Conditions include moderate currents that require careful monitoring during descent and ascent, alongside a consistent visibility of 5 metres. Given the water temperatures ranging from 4 to 15 degrees Celsius, a drysuit or a 7mm wetsuit is recommended. This site is suited for intermediate divers with solid buoyancy control and cold-water experience.

Alro Pier in the Little Belt offers a combination of natural reef and artificial structure. Divers can explore the pier pilings and the surrounding reef at depths ranging from 5 to 15 metres, with an average depth of 10 metres. This site is suitable for beginners, though conditions vary with visibility between 3 and 10 metres and moderate currents. Divers should plan to dive near slack water to manage the flow. Shore access is straightforward, and the site provides comprehensive facilities including parking, toilets, showers, a rinse station, and air fills. Typical dive times are approximately 50 minutes. Divers should remain aware of potential entanglement hazards and sharp structures.

Prammen is a shallow wreck dive located in Aarhus, Denmark, resting at depths between 6 and 10 metres. This site is accessible to beginner divers, though it requires boat access. Visibility typically ranges from 5 to 10 metres. Divers should be aware of potential hazards including entanglement and overhead environments within the wreck structure. Water temperatures vary significantly throughout the year, ranging from 4C to 16C, necessitating appropriate thermal protection. While currents are generally mild, they can strengthen, requiring careful monitoring of buoyancy and air supply. Species recorded around this area include harbour seals, giant jellyfish, wrasses, common sea stars, pipefish, shrimp, moon jellyfish, flounder, snails, green crabs, sea squirts, and rockpool prawns.