Coin de Mire, also known as Gunner’s Quoin, is a small island off the north coast of Mauritius featuring a shallow, unspoiled coral reef at the base of its cliffs. The site is accessible only by boat, located 8,000 metres from the shore. Snorkellers and divers can explore depths ranging from 3 to 9 metres, with an average depth of 6 metres. Conditions include moderate currents and visibility between 10 and 25 metres. The area is suitable for intermediate snorkelers and divers. Hazards to be aware of include boat traffic, sharp coral, strong currents, and surf. Water temperatures range from 24C to 28C throughout the year.

The El Djabeda Wreck is a 44-metre-long Japanese fishing boat resting at depths between 17 and 35 metres, with an average depth of 24 metres. This artificial reef features both hard and soft corals and scattered debris. Divers can encounter Emperor Angelfish, Turkey Moray, Giant Moray, Mauritian Anemonefish, Checkerboard Wrasse, Blackspotted Pufferfish, and Bubble Tip Sea Anemone. Wrasses are frequently observed at the site. Access is by boat only, located 8 kilometres from shore. Conditions include moderate currents and visibility ranging from 15 to 40 metres. This site is suited for advanced divers due to the depth and current, with typical dives lasting 45 minutes.

Small Valley at Coin de Mire offers a varied underwater landscape featuring a reef, canyon, and drift diving. Located 900 metres from shore, this site is suited for intermediate divers. Depths range from 14 to 30 metres, averaging 22 metres, with visibility between 10 and 30 metres. Divers encounter mild currents that can shift, requiring careful buoyancy control near the canyon walls. Marine life includes wrasses, Emperor Angelfish, Giant Moray, Blackspotted Pufferfish, Mauritian Anemonefish, Checkerboard Wrasse, Elongate Clam, and Bubble Tip Sea Anemone. Boat access is required for this 45-minute dive. Divers should be aware of sharp coral and potential jellyfish, and maintain proximity to their guide.

Confetti Bay is a reef dive site located at Coin de Mire in North Mauritius. The site features a shallow profile with a drop-off reaching depths between 15 and 18 metres, though the topography extends to a maximum of 30 metres. Divers can access the site via boat or shore. Conditions are generally stable, with visibility consistently reaching 30 metres and mild currents. Due to its manageable depth and profile, the site is suitable for beginners and is frequently used for training courses. Divers should remain aware of boat traffic in the area.

The Wall at Coin de Mire is a vertical drop-off dive that descends from 22 metres to 35 metres, with an average depth of 26 metres. This site is accessible only by boat and is situated 9 kilometres from the shore. Divers encounter moderate currents that can strengthen along the wall face. Visibility typically ranges between 15 and 30 metres. Due to the depth, this site is suited for intermediate divers who must manage nitrogen narcosis and monitor their depth closely. Water temperatures fluctuate between 24C and 28C throughout the year.

Three Caves at Coin de Mire is a marine dive site defined by its reef, wall, and cave topography. Divers can explore depths ranging from 9 to 30 metres, with an average depth of 17 metres. Access to the site is by boat only. Conditions are generally stable, with mild currents and visibility typically between 15 and 30 metres. Water temperatures fluctuate between 24C and 28C throughout the year. The site is suited for intermediate divers, with typical dive times lasting around 45 minutes. Hazards at this location include lionfish and stonefish.

The River is a boat-access reef dive located off the coast of Coin de Mire, Mauritius. The site features a reef structure with depths ranging from 16 to 20 metres, averaging 18 metres. Divers can expect mild currents and visibility typically between 10 and 30 metres. This site is suitable for beginner divers. Access is exclusively by boat, as the site is situated 9000 metres from the shore. Water temperatures fluctuate between 24 and 28 degrees Celsius throughout the year. When diving, navigate carefully to avoid contact with sharp coral and rock formations present on the reef.

The Channel is a reef passage located 500 metres off Coin de Mire, Mauritius. The site is defined by its funnel-like topography, which generates moderate currents that require careful attention from divers. Depths range from 16 to 45 metres, with an average depth of 16 metres. Visibility typically varies between 10 and 30 metres. Access is strictly by boat, and the site is suited for intermediate divers due to the potential for surge and strong currents. Water temperatures fluctuate between 24 and 28 degrees Celsius throughout the year. Divers should maintain surface awareness to avoid boat traffic and consult with guides regarding current conditions before descending.