Plage Des Roches Noires is a shore-access snorkeling site located at Cap La Houssaye in Reunion. The site features a combination of reef and artificial reef structures, with depths ranging from 1 to 3 metres and an average of 2 metres. Visibility typically reaches 9 to 10 metres. Due to the open ocean exposure, snorkeling is restricted to periods of low swell and must be conducted within the designated shark net area. The site is suitable for beginners, though users should be aware of hazards including surf, strong currents, sharp coral, and sea urchins. Facilities available at the beach include parking, showers, changing rooms, and a cafe.

Canyons at Cap La Houssaye is a reef and drop-off site accessed by boat. The topography features underwater canyons, with depths ranging from 6 to 27 metres and an average depth of 17 metres. Divers should be aware of moderate currents and the presence of sharp coral and overhead environments. Visibility typically fluctuates between 10 and 30 metres. This site is suitable for beginners and supports night diving, with typical dive durations of 45 minutes. Guided tours, air fills, and equipment rental are available through local dive shops.

Pierre Aux Platax is a reef dive site located at Cap La Houssaye, Reunion. The site is accessed by boat and is suitable for beginner divers. The topography features a reef environment with depths ranging from 8 to 20 metres, averaging 14 metres. Water temperatures fluctuate throughout the year, ranging from 24C to 28C. Divers should be aware of the presence of stonefish in the area. As a marine reef site, it offers a typical underwater environment for the region.

Cap Homard at Cap La Houssaye features a diverse underwater landscape combining reef structures with a canyon. The site is suitable for beginners, with shallower reef areas transitioning into a canyon that reaches depths between 15 and 22 metres, averaging 18 metres. Visibility ranges from 10 to 30 metres, allowing for clear views of the terrain. Water temperatures remain between 24 and 28 degrees Celsius. Divers and snorkellers can access the site by boat or from the shore, where parking is available. Be aware of moderate currents and the presence of sharks. Use caution during shore entry to avoid sharp coral and rocks by wearing protective footwear.

Petite Barge is a wreck dive located off Cap La Houssaye, resting at a constant depth of 22 metres. Accessible only by boat, this site is reserved for advanced divers due to the overhead environment and associated entanglement risks. Visibility typically ranges from 10 to 30 metres, allowing for clear views of the structure. Water temperatures remain between 24 and 28 degrees Celsius throughout the year. The wreck is suitable for night diving, which offers a different perspective of the structure. Divers should maintain strict buoyancy control and situational awareness throughout the 50-minute dive. Carrying a torch is recommended, as interior sections lose ambient light quickly.

Boucan Canot, located at Cap La Houssaye, is a reef site offering shore-accessible snorkeling. The site features an average depth of 6 metres, ranging between 4 and 8 metres. Snorkellers may encounter species such as the Emperor Angelfish, Turkey Moray, and Mauritian Anemonefish, alongside various wrasses and unicornfish. Turtles are also frequently observed in the area. The site is suitable for beginners, though users should be aware of hazards including sea urchins, sharks, surf, and strong currents. Shark nets are installed to protect swimmers. Facilities at the beach include parking, toilets, and showers. Water temperatures remain warm, ranging from 24C to 28C throughout the year.

The Hai Siang is a wreck located 3000 metres off Cap La Houssaye, resting at depths between 52 and 54 metres. This site is strictly for advanced divers due to the significant depth and strong currents present. Visibility typically ranges from 15 to 30 metres, allowing for clear views of the wreck structure. Access is by boat only, and dives are generally short, averaging 15 minutes. Divers should exercise caution regarding stonefish when navigating the wreck. Given the depth and current conditions, booking through a local dive shop for a guided tour is recommended to ensure safety.

Lagon de l'Ermitage is a shallow reef and seagrass site located within the Saint-Gilles Marine Reserve. Protected from the open ocean swell by a coral reef, the site features depths ranging from 1 to 2 metres. It is accessible via a shore entry and is suitable for beginners, with mild currents and visibility typically between 10 and 25 metres. Water temperatures fluctuate between 24C and 28C throughout the year. Facilities available at the site include parking, toilets, showers, and a cafe. Potential hazards include jellyfish, lionfish, rip currents, sharks, sharp coral, and stonefish.