Hulviken is a marine dive site located in the Drøbak and Vestby area of Norway. The site features a consistent depth of approximately 16 metres. Water temperatures in this region fluctuate throughout the year, ranging from a low of 4C in the winter months to a high of 18C during July and August. Divers should be prepared for variable conditions typical of the southern Norwegian coastline. As a marine environment, the site is accessible for diving activities, though specific underwater topography and biological features remain unrecorded in current data.

Filtvet Brygge is a shore-entry dive site located in Drøbak and Vestby, Norway, featuring a combination of natural reef and artificial reef structures. The site maintains a consistent depth of approximately 9 metres, making it suitable for beginner divers. Conditions vary, with visibility ranging from 2 to 15 metres and mild currents. Water temperatures fluctuate seasonally between 4C and 18C, requiring appropriate thermal protection. Divers should remain aware of boat traffic in the area. Facilities available at the site include parking, toilets, and a cafe. Typical dives at this location last around 30 minutes.

Gullholmen is a wall dive located off the coast of Drøbak and Vestby, Norway. The site features a wall that descends from the surface to a depth of 28 metres. Suitable for intermediate divers, the site experiences mild currents, though conditions vary and visibility can be inconsistent. Water temperatures range from 4C to 14C throughout the year, necessitating the use of a drysuit. Boat access is required to reach the site, and divers should carry a surface marker buoy and a dive light. Hazards include cold water and depth, and divers should exercise caution to avoid contact with sharp rocks on the reef and jellyfish.

Storsand is a versatile shore dive located in Drøbak and Vestby, Norway, offering a mix of reef, wall, and wreck topography. Divers can explore depths ranging from 4 to 40 metres, with an average depth of 25 metres. The site is situated 50 metres from the shore and is suitable for beginners. Conditions include moderate currents and visibility between 10 and 30 metres. Water temperatures fluctuate seasonally from 4C to 18C. Divers should be aware of potential hazards including boat traffic, entanglement risks, and strong currents. Facilities at the site include parking and toilets. Night diving is permitted, with typical dives lasting around 50 minutes.

Pumpehuset is a shore-entry dive site in Drøbak and Vestby, Norway, featuring a combination of reef and wall topography. Divers can explore depths ranging from 8 to 20 metres, with an average depth of 15 metres. The site is suitable for beginners, offering a clear wall structure to navigate. Visibility typically ranges between 8 and 15 metres. Conditions include moderate currents and water temperatures fluctuating between 4C and 18C, necessitating appropriate thermal protection. The site is accessible for night diving. Divers should exercise caution regarding surf and shore break during entry and remain vigilant for boat traffic in the area.

Storskjaeret is a boat-access reef located off the coast of Drøbak and Vestby, Norway. The site features a reef structure that descends from 20 to 36 metres, with an average depth of 25 metres. Divers should expect moderate currents that can strengthen, making careful monitoring of tide tables essential for navigation. Visibility at the site ranges from 10 to 30 metres. Due to the depth and potential for strong currents, this site is suited for intermediate divers. Water temperatures fluctuate significantly throughout the year, ranging from 4C to 18C, necessitating appropriate thermal protection such as a drysuit.

Helikopterplassen is a wall and reef dive site located in Drøbak and Vestby, Norway. This shore entry site offers depths ranging from 12 to 24 metres, with an average depth of 18 metres. Divers should be prepared for strong currents, which are a notable hazard at this location. Visibility is variable, ranging from 10 to 30 metres depending on conditions. Water temperatures fluctuate significantly throughout the year, from a low of 4C in the winter months to 18C during the summer. Parking facilities are available for divers accessing the site. Due to the current, this site requires careful planning and is suitable for those comfortable with moving water.

Muren is a wall and artificial reef site in Southern Norway, offering depths between 25 and 30 metres. The site is characterised by strong currents, requiring intermediate skill levels and careful buoyancy management. Visibility typically ranges from 5 to 10 metres. Water temperatures fluctuate significantly, from 4C in winter to 18C in summer, making a drysuit advisable. Divers can access the site from both shore and boat. Due to heavy boat traffic, the use of a surface marker buoy is essential during ascent. Night diving is permitted, and divers should plan their entry around slack water to manage the current effectively.