Frosta Port is a shore-entry artificial reef located in Trondheim, Norway. This site features shallow depths ranging from the surface to 8 metres, making it suitable for beginners building confidence in Nordic conditions. The artificial structure provides hard surfaces for marine growth and navigation. Divers should expect mild currents and variable visibility, which can change significantly based on weather and season. Parking is available directly at the site, facilitating straightforward kit setup. The habitat supports a variety of temperate marine life, including various fish and invertebrates typical of the region. Divers are advised to monitor their dive computer throughout the descent and ascent and to remain close to their team.

Holsandbukta is a shore-entry reef dive located in Trondheimsfjord, offering a gradual profile suitable for beginner divers. The site ranges from 3 to 12 metres in depth, allowing for controlled navigation in mild currents. Visibility at this location is variable, so checking local conditions before entry is advised. The reef supports temperate marine life typical of western Norwegian waters. Due to the cold water temperatures, a drysuit or thick wetsuit is essential for all divers regardless of the season. Divers should remain alert for boat traffic during surface intervals and entry procedures.

Korsvika in Trondheim offers a diverse underwater environment featuring both natural reef and artificial reef structures. This shore-entry site is suitable for beginners, with depths ranging from 1 to 19 metres and mild currents. Visibility at the site varies between 5 and 30 metres, allowing for clear observation of the varied topography. Divers should exercise caution near the artificial structures and rocky reef edges, as these surfaces can be sharp. On-site facilities include parking, toilets, and a cafe, providing convenient access for divers. Sturdy boots are recommended for the shore entry over the rocky terrain.

Havsport in Trondheimsfjord offers a combination of reef structures and dense kelp forests. The site spans depths from 8 to 40 metres, with an average depth of 20 metres, making it suitable for intermediate divers. Visibility varies between 5 and 20 metres, and moderate currents are present, which can strengthen depending on tidal states. Boat access is required to reach this site located 1000 metres from shore. Due to consistently cold water temperatures, drysuit diving is necessary. Night diving is permitted, and local facilities provide air fills, equipment rental, and guided tours to assist with navigating the site conditions.

MidtDykk is an artificial reef located in Trondheim, Norway, within the Trondheimsfjord. This site offers a unique underwater environment structured to support local marine ecosystems. Divers can explore the artificial structures which provide habitat for a variety of temperate marine life, including diverse reef fish and invertebrates typical of the region. Conditions in the fjord can vary, and divers should be prepared for temperate water environments. Access to the site is supported by available parking facilities nearby. It is suitable for divers interested in observing the development of artificial reef habitats and the associated marine biodiversity within this fjord system.

Plaugen is a technical dive site in Trondheimsfjord, Norway, featuring the wreck of a 58-foot catamaran barge that operated between 1886 and 1975. The wreck lies at depths starting around 38 metres and extending deeper. The site also includes reef and kelp forest topography. Divers typically spend 45 minutes on a dive here. Conditions are variable, with visibility ranging from 5 to 15 metres and mild currents. Access is via a shore entry. Due to the depth and the nature of the wreck, this site presents hazards including entanglement and overhead environments, making it suitable for intermediate divers with appropriate technical training.

Høvringen is a shallow dive site located in Trondheim, Norway, within the Trondheimsfjord. The site features a depth range of approximately 3 to 7 metres, making it suitable for shallow-water exploration. The underwater environment is characteristic of the region, supporting a variety of temperate marine life and invertebrates typical of the fjord habitat. Divers should be prepared for variable conditions common to this coastal area. Access is generally straightforward given the shallow nature of the site, which is well-suited for those looking for relaxed, shallow dives. Records for this location date back to 2013, reflecting its established use by the local diving community.

ND31 (Oder) is a shipwreck located in Trondheim, Norway, that sank on 23 August 1943. This site is strictly for technical divers due to its significant depth. Access to the wreck is by boat only. Conditions at the site are generally characterised by mild currents, though the depth remains a primary hazard for all visitors. The surrounding habitat supports a variety of temperate marine life, including various reef fish and invertebrates typical of the Trondheimsfjord region. Divers should be prepared for deep-water diving protocols when exploring this historical vessel.