Trou-Aux-Biches is a shallow reef site located in Grand Baie, Mauritius, offering accessible shore entries for both divers and snorkellers. The site features a lagoon environment with depths ranging from 1 to 2 metres. Conditions are generally mild, with visibility typically between 10 and 20 metres and water temperatures fluctuating from 24C to 28C throughout the year. The area is suitable for beginners, though visitors should remain cautious of boat traffic, sea urchins, and sharp coral. Facilities at the site include parking, showers, toilets, and a local dive shop to support visitors.

Emily and Waterlily are two wrecks located 1300 metres off the coast of Grand Baie, Mauritius. Resting at depths between 24 and 26 metres, these vessels form an artificial reef structure suitable for advanced divers. The site is accessed by boat, with guided tours recommended to navigate the hulls efficiently. Conditions feature mild currents and visibility ranging from 10 to 30 metres. Divers should maintain careful buoyancy control to manage entanglement risks associated with the wreck structures. The average dive duration is 50 minutes, and the site is appropriate for those comfortable with recreational depth limits.

Black Forest is a deep reef site located off the coast of Grand Baie, Mauritius. The topography ranges from 18 to 40 metres, with an average depth of 30 metres. This site is strictly for advanced divers due to the significant depth and the presence of sharp coral and rock structures that require precise buoyancy control. Access is by boat only, and divers must be prepared for variable conditions, as currents can shift despite being generally mild. Visibility fluctuates between 10 and 40 metres. Divers should deploy a surface marker buoy before ascent to ensure visibility for the boat pick-up.

The Stella Maru is a purpose-sunk wreck located off Grand Baie, Mauritius, serving as an artificial reef. Resting at depths between 18 and 26 metres, with an average depth of 25 metres, this site is suitable for intermediate divers. Access is by boat only. Divers can expect mild currents and visibility ranging from 10 to 30 metres. The wreck provides a complex structure for exploration, with typical dive times around 40 minutes. Water temperatures fluctuate between 24C and 28C throughout the year. Hazards at this site include jellyfish, sharp coral, and stonefish.

Coral Garden in Grand Baie features a combination of reef and wall topography suitable for beginners. The reef begins at a shallow depth of 5 metres, while the wall extends to 30 metres, with an average depth of 16 metres. Access is by boat only. Divers and snorkellers should maintain awareness of the overhead cave environment and avoid contact with sharp coral and rock formations. Visibility varies between 5 and 25 metres, and currents are generally mild. Water temperatures range from 24 to 28 degrees Celsius. Night diving is permitted at this site. Hazards include the presence of lionfish and stonefish, requiring careful placement of hands and feet.

Black Forest is a deep reef site located off Grand Baie, Mauritius, suited exclusively for advanced divers. The topography consists of a reef structure reaching depths between 25 and 45 metres, with an average depth of 35 metres. Access to the site is by boat only. Divers should be prepared for moderate currents and the inherent risks of deep diving, including nitrogen narcosis. Typical dive times at this location are approximately 30 minutes. Water temperatures range from 24C to 28C throughout the year, depending on the month. Due to the depth and conditions, this site is not appropriate for beginners or snorkellers.

Holds Rock is a reef site located in Grand Baie, Mauritius, requiring boat access. The site features depths ranging from 16 to 25 metres, with an average depth of 20 metres. Divers and snorkellers should be aware of mild currents and potential hazards including deep water, nitrogen narcosis, sharp coral, and stonefish. Due to the depth profile and environmental conditions, this site is best suited for intermediate divers. Guided tours are available through local dive shops to assist with navigation and safety at this location.

Chilli Drop, located off the coast of Grand Baie, features a combination of shallow reef and a drop-off. This site is suitable for beginners, with depths ranging from 5 to 12 metres and an average depth of 8 metres. Divers typically experience mild currents, though surge can occur along the reef edge. Visibility generally ranges from 5 to 10 metres. Access is by boat only, and local facilities include a dive shop offering guided tours and equipment rental. Typical dive times are around 45 minutes. Divers should monitor the sea state for swell and follow guide instructions regarding positioning near the reef wall.