Ataata Point is a reef and drift dive site situated at the northern end of the Horoirangi Marine Reserve. The topography consists of dramatic bedrock reefs and boulder formations. Divers can expect depths ranging from 5 to 20 metres, with an average depth of 12 metres. Access is via a shore entry, with the site located 400 metres from the shore. Conditions vary, with visibility ranging from 1 to 15 metres and moderate currents present. Due to the potential for rip currents and low visibility, this site is suited for intermediate divers. Snorkelling is also a viable activity here.

Haulashore Island is a reef and artificial reef site located 500 metres offshore near the entrance to Nelson harbour. Snorkelling is primarily conducted along the sheltered eastern side of the island. The site features depths ranging from 2 to 10 metres, with an average depth of 6 metres. Conditions are variable, with visibility typically between 3 and 8 metres and currents that can be strong. Due to the proximity to the harbour, boat traffic is a significant hazard. Access to the site requires a boat or kayak. This location is suitable for beginners, though the snorkel rating is 2 out of 5.

Split Apple Rock is a distinctive granite formation located 50 metres from the shore in Abel Tasman, New Zealand. This reef site features shallow water surrounding the iconic split rock, with additional sea caves accessible at the northern end of the beach. Conditions are generally mild, though divers and snorkellers should be aware of potential surf. The site is suitable for beginners and offers both shore and boat access. Water temperatures fluctuate between 12C and 20C throughout the year. Facilities including parking and toilets are available nearby. Typical dives at this location last approximately 60 minutes.

Te Pukatea Bay is a horseshoe-shaped bay located in the Abel Tasman region of New Zealand. The site features a golden sand beach flanked by rocky headlands at either end, which provide the primary areas for snorkelling. This site is suitable for beginners and offers both shore and boat access. Water temperatures fluctuate throughout the year, ranging from 13C in winter to 20C during the summer months. Public toilets are available at the site for visitor use.

Adele Island (Motuareronui) is a predator-free sanctuary located in the Astrolabe Roadstead. The site features rocky reef systems, particularly around the northern end of the island. Access is by boat, as the site is situated 5000 metres from the shore. Divers and snorkellers can expect mild currents and water temperatures ranging from 13C to 20C throughout the year. The site is suited for intermediate divers, and it is also a popular location for snorkelling, with a rating of 4/5. The topography consists of rocky reefs, providing a distinct underwater environment for visitors to explore within the Abel Tasman region.

Tonga Quarry in Abel Tasman is a reef site suitable for both diving and snorkelling. The topography features granite rocks located between Tonga Quarry and Foul Point. Depths at this site reach up to 15 metres. Access is via a shore entry. The site is rated highly for snorkelling, though divers and snorkellers should remain aware of boat traffic in the area. Facilities available at the site include parking and toilets. Due to the nature of the reef, caution is advised regarding sharp surfaces.

Taupo Point in Abel Tasman is a historic Pa site featuring a combination of natural reef and artificial reef structures. The topography includes sheltered coves and small granite islands, providing a rugged environment for snorkelers. Access is via the shore, and the site is best suited for intermediate snorkelers due to potential surf conditions. Water temperatures fluctuate between 13C and 20C throughout the year. Species recorded around this area include long-nosed fur seals, sea stars, crabs, tube worms, eleven-armed sea stars, snails, and triplefins. Toilets are available at the site, and typical sessions last up to 120 minutes.

Lochmara Bay in Wellington features a combination of natural reef and artificial reef structures, including a reef restoration project and an underwater observatory. This site is well-suited for beginners, with depths ranging from 2 to 13 metres and an average depth of 7 metres. Snorkellers can explore shallow sandy flats and the artificial structures. Conditions are generally mild, though visitors should remain aware of boat traffic and potential entanglement hazards. Facilities available at the site include a cafe, showers, toilets, and parking, with guided tours also offered. Species recorded around this area include smooth rays, eagle rays, long-nosed fur seals, wrasses, blue cod, and various invertebrates such as sea stars and sea cucumbers.