Ta'ahiamanu Beach, also known as Mareto Beach, is a public site located in Opunohu Bay on Moorea. This reef site features a narrow sandy shore providing immediate access to coral heads situated 10 to 20 metres from the beach. The seabed drops off quickly into the bay, creating a varied topography for divers and snorkellers. Conditions are generally calm with mild currents and visibility reaching 30 metres. The site is suitable for beginners and families, with water temperatures ranging between 27C and 29C throughout the year. Facilities available at the beach include parking, toilets, showers, changing rooms, and a cafe. Divers and snorkellers should remain aware of potential stonefish in the area.

Opunohu Canyons in Opunohu Bay, Moorea, is a marine site defined by its reef, wall, and canyon topography. Divers typically explore depths between 16 and 25 metres, with an average depth of 18 metres. Access is by boat only, and the site is suitable for beginners. Conditions vary, with visibility ranging from 10 to 25 metres and moderate currents. Marine life recorded at this site includes the Regal Angelfish, Giant Moray, Flagtail Triggerfish, Sling-jaw Wrasse, Lemonpeel Angelfish, Magnificent Giant Anemone, Lined Bristletooth, Hawkfish, Cushion Star, and Scissortail Sergeant.

Garden of Roses is a reef dive site in Opunohu Bay, Moorea, suited for advanced divers due to its depth and potential for decompression requirements. The site features depths ranging from 15 to 37 metres, with an average depth of 15 metres. Access is by boat only. Marine life recorded at the site includes wrasses, which are very common, particularly between July and November. Divers may also encounter Regal Angelfish, Lemonpeel Angelfish, pufferfish, Speckled Butterflyfish, scorpionfish, Pacific Bullethead Parrotfish, and Flagtail Triggerfish. Rarer sightings include the Giant Moray, Turkey Moray, Snowflake Moray, Flame Angelfish, Japanese Pygmy Angelfish, Day Octopus, and Whitetip Reef Shark. Hazards include deep water and the presence of sharks.

The Hilton Moorea Lagoon Resort Reef is a fringing reef located in Opunohu Bay, Moorea. This site features dense coral formations within a protected lagoon environment. Divers and snorkellers can access the reef directly from the shore, with depths ranging between 1 and 3 metres. Conditions vary, with visibility typically between 10 and 30 metres and moderate currents. The site is suitable for beginners, though users should remain aware of boat traffic, surge, and sharp coral. Facilities including parking, showers, and equipment rental are available nearby. The site is well-regarded for snorkelling, with a typical dive duration of 45 minutes.

Vallée Blanche is a drift dive site located in Opunohu Bay, Moorea, featuring a combination of reef and canyon topography. The site is suited for advanced divers due to strong currents and depths ranging from 13 to 40 metres, with an average of 25 metres. Access is by boat only. Divers can encounter various marine life, including wrasses, which are very common, particularly between July and November. Other species recorded at the site include whitetip reef sharks, turkey moray, pufferfish, scorpionfish, and several species of angelfish and butterflyfish. Visibility typically ranges from 10 to 25 metres, and water temperatures remain between 27 and 29C throughout the year.

The Rose Garden is a deep reef site in Opunohu Bay, French Polynesia, accessible only by boat. The topography drops from 30 to 46 metres, requiring intermediate to advanced skills to manage the depth and potential for shifting currents. Visibility typically ranges between 10 and 30 metres, allowing for observation of the reef structure. Water temperatures remain consistent between 27 and 29 degrees Celsius throughout the year. Due to the depth and the possibility of strong currents, divers should maintain awareness of their surroundings and plan ascents conservatively. This site is suited for experienced divers capable of managing deep-water conditions.

Mur de Corail in Opunohu Bay is a reef and wall site offering shore access for both divers and snorkellers. The topography features a wall that drops into deeper water, with an average depth of 18 metres and a maximum range between 15 and 30 metres. Conditions are generally manageable with mild currents, though surface surge and swell can make the shore entry challenging and affect positioning near the reef face. Visibility typically spans 15 to 30 metres. Divers should remain self-sufficient as facilities are unconfirmed. Monitor depth closely during the typical 45-minute dive to maintain safety.

Opunohu Bay features a diverse underwater topography consisting of reef, wall, and canyon structures. Divers can explore depths ranging from 15 to 30 metres, with an average depth of 18 metres. Visibility varies between 10 and 30 metres, and currents are typically mild. The site is accessible via both boat and shore entry. Due to the depth and potential for nitrogen narcosis, advanced certification is recommended. Water temperatures remain consistent between 27 and 29 degrees Celsius throughout the year. Night diving is available at this location. Local facilities include a dive shop providing guided tours and air fills. Divers should be aware of stonefish on the reef and use appropriate protection.