Trevor's Rocks at RikoRiko Cave features a diverse underwater landscape comprising a reef, wall, cave, and three distinct pinnacles ranging from 10m to 19m in depth. The site offers a shallow area suitable for beginners and snorkellers, including the El Torito arch. Divers can expect mild currents and visibility up to 20m. Marine life recorded here includes wrasses, scorpionfish, and the common clown doris. Less frequently encountered species include smooth rays, mosaic morays, eagle rays, green morays, kingfish, pufferfish, and the occasional long-nosed fur seal or catshark. Access is by boat only, and divers should remain aware of boat traffic and potential entanglement hazards.

RikoRiko Cave is a large sea cave located at the Poor Knights Islands, New Zealand. This site features a wall topography and is accessible only by boat. Divers and snorkellers can explore depths ranging from 12 to 30 metres, with an average depth of 20 metres. The cave walls are lined with sponges and hydroids, while kelp grows near the entrance. Marine life observed here includes wrasses, scorpionfish, and clown doris, alongside less frequent sightings of green moray, smooth ray, mosaic moray, eagle ray, kingfish, pink maomao, pufferfish, banded coral shrimp, catshark, slipper lobster, and blue-spotted wrinkle dorid. Conditions include mild currents and visibility between 15 and 40 metres.

Red Baron Caves, located at RikoRiko Cave in the Poor Knights Islands, offers a combination of wall and overhead cave diving. The site ranges from 15 to 40 metres in depth with an average of 20 metres. Divers must manage moderate currents, which can intensify within the cave passages, making solid buoyancy control essential. Visibility typically spans 10 to 30 metres, though a torch is necessary due to low light levels inside the cave. Access is by boat only, and the site is suited for intermediate divers. Hazards include the overhead environment, surge, and potential for entanglement. Night diving is permitted at this location.

Nursery Cove is a sheltered, current-free site located at RikoRiko Cave in the Poor Knights Islands. Featuring both reef and artificial structures, it is well suited for beginner divers. Depths range from 4 to 18 metres, with an average of 10 metres. Visibility typically spans 10 to 30 metres, allowing for clear observation of the site topography. Water temperatures fluctuate between 16 and 21 degrees Celsius throughout the year. Boat access is required, and the site is suitable for night diving. Divers should remain aware of boat traffic and potential entanglement risks when exploring the cave and wreck areas.

The Gardens Pinnacles, located near RikoRiko Cave, offers a diverse underwater landscape featuring pinnacles, reef structures, and kelp forests. Divers can explore depths ranging from 5 to 15 metres, with an average depth of 12 metres. The site is accessible only by boat and is suitable for beginners, though divers should be aware of potential surge and strong currents. Visibility typically ranges between 10 and 30 metres. Marine life frequently encountered includes wrasses, scorpionfish, and clown doris. Less common sightings include mosaic moray, green moray, smooth ray, eagle ray, pufferfish, pink maomao, kingfish, and the occasional long-nosed fur seal, southern rock lobster, or banded coral shrimp.

Jan's Tunnel is a cave and wall dive located within RikoRiko Cave at the Poor Knights Islands. Divers typically access the site by boat, with depths ranging from 10 to 30 metres and an average depth of 15 metres. The tunnel entrance begins at approximately 19 metres and gradually shallows to 10 metres. The site features a wall and cave topography that requires intermediate skill due to the overhead environment, potential surge, and risk of entanglement. Water temperatures fluctuate between 16C and 21C throughout the year. As this is a boat-only site located 23 kilometres from shore, divers should coordinate with local boat charters for access.

Fraggle Rock is a marine dive site situated near RikoRiko Cave in the Poor Knights Islands, New Zealand. The site features a consistent depth of approximately 18 metres. Conditions at this location vary, with water temperatures ranging from 16C in the winter months to 21C during the peak of summer. This site is suitable for beginner divers looking to explore the underwater topography of the region. Access to the site is typically via boat given its location within the Poor Knights Islands group.

Magic Wall at RikoRiko Cave is a wall and reef dive site located in the Poor Knights Islands, New Zealand. The site features a wall that descends to a sandy bottom at 18 to 20 metres, with an average depth of 15 metres. Divers encounter a variety of marine life including wrasses, scorpionfish, and nudibranchs such as the Clown Doris and Blue-spotted Wrinkle Dorid. Other species recorded here include Mosaic Moray, Smooth Ray, Green Moray, Eagle Ray, Pufferfish, Kingfish, Pink Maomao, Blue Maomao, Banded Coral Shrimp, and Southern Rock Lobster. Access is by boat only. Conditions include mild currents, with visibility ranging from 10 to 30 metres and water temperatures between 16C and 21C.