Gasevig Strand is a shallow reef and drift dive site located in Aabenraa Fjord. The site ranges from 3 to 5 metres in depth and offers visibility between 5 and 10 metres. Divers must contend with strong currents, which require careful planning around slack water. Shore entry can be challenging due to surf and shore break conditions. Boat traffic is a notable hazard, and water temperatures fluctuate between 4 and 19 degrees Celsius throughout the year. The site provides convenient facilities including parking, toilets, showers, changing rooms, and a rinse station, with air fills and guided tours available at the local dive shop.

Gammelbrovej Arosund in Aabenraa Fjord offers a mix of natural and artificial reef structures within the Little Belt. Divers can explore depths between 5 and 20 metres. The site is characterised by strong tidal currents, requiring careful planning around slack water to ensure a safe dive. Visibility typically ranges from 5 to 15 metres. Water temperatures fluctuate between 3C and 17C, making a drysuit essential for comfort. On-site facilities include parking, toilets, showers, changing rooms, and a cafe. Boat charters and guided tours are available to assist divers in navigating the challenging conditions of the strait.

Sandskaervej strand in Aabenraa Fjord offers a shallow dive experience combining a natural reef with an artificial structure. The site is suitable for beginners, with depths ranging from 5 to 11 metres and an average depth of 8 metres. Divers enter from the shore, though caution is required due to potential surf and shore breaks. Visibility is generally around 5 metres. Given the water temperatures, which fluctuate between 4C and 17C throughout the year, a drysuit or thick wetsuit is recommended. Divers should be aware of sharp rocks and sea urchins when navigating the reef structure.

Sandskaer Camping harbour in Aabenraa Fjord offers a sheltered shore entry suitable for beginner divers. The reef structure extends from 6 to 15 metres, providing a controlled environment for building confidence. Visibility typically ranges between 5 and 10 metres, though it can fluctuate. Divers should remain vigilant regarding boat traffic near the harbour entrance and avoid the active channel. The site is well-equipped with parking, toilets, showers, changing rooms, and a rinse station. While specific marine life sightings are not confirmed, the habitat supports a variety of temperate reef fish and invertebrates characteristic of the Little Belt region.

Gammel Lillebæltsbro in the Little Belt Strait offers a shore-entry dive featuring an artificial reef and wreck structures. The site reaches depths of up to 32 metres, with an average depth of 18 metres. Divers should be prepared for moderate currents and visibility ranging between 3 and 7 metres. Due to the presence of boat traffic, entanglement risks, and strong currents, this site is suited for intermediate divers. Water temperatures fluctuate significantly throughout the year, ranging from 3C in late winter to 16C in August. Facilities at the site include parking and toilets.

Gl. Ålbo is a reef site located in the Little Belt Strait, offering shore access via a bridge or beach. The site features a depth range of 6 to 45 metres, with an average depth of 10 metres. Divers and snorkellers should be aware of strong currents and boat traffic in the area. Visibility typically ranges between 5 and 10 metres. The site is suitable for intermediate divers and supports night diving. Facilities on-site include parking, toilets, showers, a rinse station, air fills, equipment rental, and guided tours. Species recorded around this area include harbour seals, wrasses, flounder, sea stars, and various invertebrates.

Alssundbroen is a drift dive site located in the Alssund, Denmark. Divers can explore the bridge piers and the surrounding slope, which features a bottom covered in mussels. The site reaches a maximum depth of 11 metres. Access is via a shore entry. Conditions are variable, with visibility ranging from 1 to 10 metres and water temperatures fluctuating between 4C and 17C throughout the year. Due to the nature of the location, divers must be aware of strong currents, active boat traffic, and the presence of local fishermen. This site is suitable for beginners, though caution regarding surface hazards is essential.

Flydedok in Alssund is a challenging site defined by its wall and reef topography, suited for intermediate divers. Located in the Little Belt, the site is characterised by strong tidal currents that dictate the dive plan. Depths range from 15 to 18 metres, with an average of 16 metres. Visibility typically spans 5 to 10 metres. Due to cold water temperatures between 4 and 14 degrees Celsius, a drysuit is recommended. Shore entry is standard, and the site is supported by facilities including air fills, showers, and changing rooms. Divers must monitor boat traffic and use a surface marker buoy throughout the dive.