Nykorallene is a shore-entry reef dive located in Trondheim, Norway. This site is suitable for intermediate divers looking to build experience in cold-water environments. Conditions at the reef are variable, with shifting visibility and currents that require careful assessment upon arrival. Divers should maintain awareness of surface conditions, as surge and swell can occur. As there are no confirmed facilities at this location, visitors must arrive self-sufficient with all necessary equipment, including a surface marker buoy and appropriate exposure protection. Always check local conditions and access information before planning a dive.

Trasavika is a reef and wall dive site located in Trondheimsfjord, Norway. The site reaches a maximum depth of 25 metres, with an average depth of 20 metres. Divers experience moderate currents and visibility ranging from 5 to 10 metres. Shore access is available, though boat entry is recommended to avoid surge and currents. The site features on-shore facilities including parking, toilets, showers, and changing rooms. Due to the cold water conditions, a drysuit is required. Divers should remain vigilant for boat traffic and use a surface marker buoy during all ascents. This site is suitable for beginners, though careful depth management is necessary.

Trolla is a shore-entry reef and wall site in Trondheim, Norway, featuring a structure that descends from 5 to 50 metres. The site is characterised by a dense kelp forest in the shallower sections, transitioning into a deeper wall that provides a clear reference for depth management. Divers should expect cold water temperatures between 4 and 15°C and variable visibility ranging from 5 to 30 metres. Currents are typically moderate but can strengthen, making it essential to plan dives around slack water. Hazards include cold water, low visibility, sea urchins, and strong currents. Night diving is permitted at this location, which typically requires an intermediate skill level.

Texaco-brygga in Trondheim is a wall dive site accessible from the shore. The site features depths ranging from 15 to 30 metres, with an average depth of 15 metres. Conditions are generally mild, though divers should be aware of entanglement hazards due to the presence of fishing line waste, as the area is frequently used for fishing. The site is suitable for beginners and provides a practical location for training. The habitat supports a variety of temperate marine life, including various reef fish and invertebrates typical of the Trondheimsfjord region. Parking facilities are available for visitors.

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.

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.

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.

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.