Tisvildeleje Strand features a stone reef located approximately 100 metres from the shore. Divers typically enter from the beach near the parking area, navigating a sandy bottom before reaching the reef structure. The site reaches depths between 3 and 9 metres, with an average depth of 6 metres. Conditions include moderate currents and visibility ranging from 5 to 10 metres. The water temperature fluctuates significantly throughout the year, ranging from 4C to 18C. Divers should remain aware of boat traffic in the area. Facilities at the site include parking, toilets, and a cafe. Night diving is permitted, and the site is suitable for beginners.

Hesselø is a reef site located in the Kattegat, requiring boat access due to its position 30 kilometres from the shore. The site is suitable for beginners, offering a shallow depth range of 2 to 5 metres. Divers should be prepared for cold water conditions, which vary significantly throughout the year, ranging from 4°C in winter to 19°C in August. Currents at the site are generally mild. Given the exposed nature of the location and the cold water temperatures, appropriate thermal protection is essential for all dives.

Eisfish S/S is a marine dive site located in Copenhagen and North Zealand, Denmark. The site features a consistent depth of approximately 15 to 16 metres. Water temperatures at this location fluctuate throughout the year, ranging from a low of 4C in the winter months of January and February to a peak of 17C in August. Due to the variable nature of these conditions, divers should be prepared for cold-water diving environments. The site is accessible for those with appropriate cold-water training and equipment.

Anders Martin is a wreck dive located off Hesselø, Denmark, resting at depths between 16 and 23 metres. Divers can expect visibility ranging from 10 to 15 metres, providing a clear view of the structure. The site is accessible only by boat and is suited for intermediate divers due to the need for active current management. Water temperatures are cold, fluctuating between 4 and 14 degrees Celsius, necessitating appropriate exposure protection. The habitat supports a variety of temperate marine life, including various fish and invertebrates typical of the region. Divers should monitor their depth closely throughout the 45-minute average dive time to manage nitrogen levels.

The Libra M/S is a shipwreck dive site located off the coast of Hesselø, Denmark. The wreck lies at a consistent depth of approximately 10 metres. Conditions at this site vary throughout the year, with water temperatures ranging from 4C in the winter months to 18C in August. The site is suitable for divers interested in wreck exploration within a temperate marine environment. The habitat supports a variety of temperate marine life, including various reef fish and invertebrates typical of the region. Divers should be prepared for variable visibility and conditions common to the Danish coastline.

Stenfragteren is a reef site located at Kullaberg, Sweden, suitable for intermediate divers. The site features a consistent depth of approximately 14 metres. Access to this location requires a boat. Divers should be aware of moderate currents and the potential for strong currents in the area. A halocline is present in the surrounding Kattegat waters at approximately 15 metres depth, which is near the site's maximum depth. Due to the variable water temperatures ranging from 3C to 17C throughout the year, appropriate thermal protection is necessary for all dives.

Hajen is an artificial reef located off Hesselø, Denmark, providing a shallow, sheltered environment suitable for beginner divers. As an artificial structure, it offers a controlled introduction to cold-water diving, though conditions such as depth and visibility are variable. Divers should be prepared for water temperatures ranging from 4C in winter to 19C in summer, necessitating appropriate thermal protection. Entry is via the shore, where divers should shuffle their feet to avoid sea urchins. Hazards include boat traffic, requiring the use of a surface marker buoy, as well as potential entanglement in kelp forests and strong currents. Always monitor local conditions before planning a dive.

Fusion H10 is a marine dive site located in Copenhagen and North Zealand, Denmark. The site features a consistent depth of approximately 12 metres. Water temperatures at this location fluctuate throughout the year, ranging from a low of 3C in February to a high of 18C in August. Given the variable nature of the local environment, divers should be prepared for changing conditions. This site is suitable for those comfortable with temperate water diving. Records indicate that diving activity has occurred at this location since 2015.