Donga Hienga is a reef and cave site located outside the lagoon near Bourail. The topography features underwater caves and arches adorned with massive gorgonian fans. Divers can expect depths ranging from 8 to 30 metres, with an average depth of 18 metres. The site requires boat access and is suitable for intermediate divers due to moderate currents and the presence of overhead environments. Sharp coral is present, requiring careful buoyancy control. Visibility typically varies between 10 and 30 metres, and water temperatures range from 24C to 28C throughout the year. Typical dive times are approximately 50 minutes.

Pointe de Kaun is a reef site near Bourail featuring a combination of open reef, caves, and caverns. The topography allows for exploration between 18 and 28 metres, making it suitable for beginner divers with an Open Water certification. The site is accessed by boat, and the absence of current provides a comfortable environment for navigating the overhead cavern sections. Visibility typically ranges from 10 to 30 metres, with water temperatures between 24 and 28 degrees Celsius. Divers should exercise caution within the cave environment, maintaining awareness of their positioning relative to the walls and monitoring air consumption throughout the dive.

La Cathédrale is a marine site located in Bourail, New Caledonia, defined by a deep reef fault that transitions into a tunnel. This passage opens onto a vertical wall, where light filtering through the ceiling creates a cathedral-like effect. The site reaches depths of 30 metres, with an average depth of 23 metres. Access is by boat only, and divers should be prepared for moderate currents. Due to the depth and potential for strong currents, this site is suitable for advanced divers. Visibility typically ranges between 15 and 30 metres, and water temperatures fluctuate between 24C and 28C throughout the year.

Douoc is a small seamount located north of Douok Reef near Bourail, New Caledonia. The topography consists of large coral boulders interspersed with sandy patches. Divers can explore depths ranging from 6 to 30 metres, with an average depth of 18 metres. Access to this site is by boat. Conditions are generally mild, though currents can vary, and visibility typically ranges between 10 and 30 metres. The site is suitable for beginners and offers a good experience for snorkellers. Hazards at this location include the presence of sharks and sharp coral formations.

Îlot Hienga is a protected marine area near Bourail, New Caledonia, featuring a 250-metre-long marked underwater trail. Snorkellers follow five numbered buoys through diverse ecosystems, including seagrass meadows and coral gardens. The site is suitable for beginners, with depths ranging from 2 to 5 metres and an average depth of 3 metres. Access is by boat, and the site offers mild currents with visibility between 10 and 30 metres. Water temperatures fluctuate between 24C and 28C throughout the year. Equipment rental is available for those visiting this UNESCO World Heritage site.

Club Med Reef in Bourail offers a diverse underwater landscape featuring a wall, canyon, cavern, and drop-off. Divers typically explore these formations at depths between 15 and 20 metres. Visibility varies from 10 to 30 metres, allowing for clear observation of the terrain. The site is accessible only by boat and is suited to intermediate divers due to the presence of sharp coral and rock requiring careful buoyancy control. Water temperatures range from 24 to 28 degrees Celsius. Species recorded around this area include wrasses, soft coral, snails, hard coral, and sea cucumbers. Divers should remain aware of sharks present at the site.

Donga Hienga, located off Bourail, features a diverse underwater topography including reef, wall, drop-off, canyon, and cave structures. Divers can explore these formations at depths ranging from 10 to 18 metres, with an average depth of 15 metres. Visibility varies between 10 and 30 metres. Access is exclusively by boat, and the site is best suited for intermediate divers due to the presence of overhead environments like caves and swim-throughs. While currents are generally mild, they can build unpredictably near drop-off edges. Hazards include sharks, sharp coral, and potential strong currents. Formal overhead training is required for cave and cavern penetration.

Club Med Reef is a submerged seamount located northeast of Hiengabat Island near Bourail. This site features shallow coral heads, making it a suitable location for beginner snorkelers. Access to the reef is by boat, and the site typically experiences mild currents. Water temperatures at the reef range from 24C to 28C throughout the year. Equipment rental is available for those visiting the area. Snorkelers can expect a typical session duration of 60 minutes at this location.