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.

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.

Tata Islands, comprising Motu and Ngawhiti, are located 1000 metres offshore from Tata Beach in the Abel Tasman region. This reef site offers sheltered conditions suitable for both diving and snorkelling, with an entry possible from either shore or boat. Divers and snorkellers should be aware of mild currents and boat traffic in the area. Water temperatures fluctuate throughout the year, ranging from 13C in winter to 20C during the peak summer months. Facilities available at the nearby beach include parking, toilets, showers, and changing rooms. The site is best suited for intermediate-level divers.

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.

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.

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.

Cable Bay in Abel Tasman is a sheltered pebble beach providing access to the Horoirangi Marine Reserve. The site features a reef environment with depths ranging from 2 to 20 metres, averaging 7 metres. Divers and snorkellers can explore the rocky edges along the left side of the bay towards Pepin Island, located up to 800 metres from the shore. Conditions include mild currents and visibility between 4 and 10 metres. The site is suitable for beginners, though users should be aware of potential hazards including boat traffic, surf, and rip currents. Facilities at the entry point include parking and toilets.

Wharariki Beach in the Abel Tasman region offers a unique, albeit challenging, snorkeling environment. The site is defined by its reef topography and the Archway Islands, where large rock pools provide the primary area for activity. Snorkellers frequently encounter Long-nosed Fur Seals, which are very common during the summer months. Other marine life recorded at the site includes crabs, sea stars, snails, and the uncommon deepwater burrfish. Due to significant surf, rip currents, and strong currents, the open sea is considered dangerous. This shore-entry site is suitable for beginners within the sheltered rock pools, though water temperatures remain cold, ranging from 14C to 19C throughout the year.