Mergelbaenke is a reef and seagrass site located off Fehmarn, Germany. The site features depths ranging from 7 to 12 metres, with an average depth of 9 metres, making it suitable for beginner divers. Visibility typically fluctuates between 5 and 12 metres. Divers encounter mild currents while exploring the reef structure and seagrass beds. Water temperatures vary from 4 to 18 degrees Celsius, and a thermocline may be present. Due to surf and shore break conditions at the water edge, boat access is required. Divers should coordinate with boat operators for safe entry and exit. The habitat supports various temperate marine life typical of the region.

Riff Nienhagen is an artificial reef located 1500 metres offshore in the Baltic Sea. The site sits at a depth of 11 to 12 metres and is accessible only by boat. Divers encounter mild currents and variable visibility across the structure. The reef provides a habitat for various temperate marine life, including reef fish and invertebrates that colonise the artificial substrate. Due to water temperatures ranging from 4 to 17 degrees Celsius, adequate thermal protection such as a drysuit or thick wetsuit is necessary. The site is suitable for beginners, though divers must remain vigilant for boat traffic and follow descent lines closely.

Bohrhammer is a wreck site located off Fehmarn, Germany, serving as an artificial reef. This site is suitable for intermediate divers who must manage moderate currents and variable visibility, which typically ranges between 3 and 6 metres. Water temperatures fluctuate significantly throughout the year, from 4C in winter to 19C in summer, requiring appropriate exposure protection. Divers should be aware of potential entanglement hazards within the wreck structure. Access is strictly by boat. The site supports a variety of temperate marine life and invertebrates typical of the region, which colonise the encrusted surfaces of the wreck.

Teufelsschlucht is a reef site located off the coast of Fehmarn, Germany. Divers can explore this area at depths ranging from 5 to 12 metres, with an average depth of 10 metres. The site is accessible only by boat and features mild currents, making it suitable for beginner divers. Visibility typically ranges between 5 and 10 metres. Water temperatures fluctuate significantly throughout the year, from 4°C in winter to 18°C in summer, necessitating appropriate thermal protection such as a drysuit or thick wetsuit. Night diving is permitted at this location. Divers should confirm boat availability locally as on-site amenities are not guaranteed.

Hohe Düne is a shallow artificial reef located off Fehmarn, Germany. The site features depths ranging from the surface to 5 metres, making it suitable for beginners. Divers can expect mild currents and visibility between 3 and 10 metres. The environment supports a variety of temperate marine life, including reef fish and invertebrates associated with the structure and sandy patches. Water temperatures fluctuate between 4C and 19C, necessitating a thick exposure suit to prevent hypothermia. Facilities at the site include air fills, equipment rental, and guided tours. Night diving is permitted, with typical dives lasting around 45 minutes.

The LaBelle is a wreck dive located off the coast of Fehmarn, Germany. Resting at depths reaching 17 metres, the site is accessible to beginner divers. The wreck structure provides a habitat for various marine life, including local fish and invertebrates typical of the Baltic Sea environment. Divers should expect mild currents, though conditions often include low and variable visibility. Due to water temperatures ranging from 4 to 16 degrees Celsius, adequate thermal protection is required. Hazards include potential entanglement within the wreck structure and cold water. A dive torch is recommended for navigation in low-visibility conditions.

The Waltraud Behrmann is a wreck dive located off the coast of Zealand, Denmark. The vessel rests at depths between 12 and 20 metres, with an average depth of 16 metres. Divers typically spend 40 minutes exploring the structure. Visibility ranges from 5 to 10 metres, and there is no current to manage. Due to the water temperature, which fluctuates between 4C and 15C, a drysuit or well-rated wetsuit is required. The site presents a risk of entanglement, so divers should secure all loose equipment and carry a dive knife or shears. This site is suitable for intermediate divers.

Staberhuk is a shallow reef dive located near the lighthouse on Fehmarn, Germany. The site maintains a consistent depth of approximately 5 metres, making it suitable for beginner divers. Divers access the reef via a shore entry, where they should be mindful of surf and shore break conditions. Visibility at the site ranges from 3 to 10 metres, and currents are generally mild. Due to water temperatures fluctuating between 4 and 19 degrees Celsius, appropriate thermal protection is required. Parking is available near the entry point. The site offers a manageable environment for those gaining experience in northern European marine conditions.