Located in the Passe Saziley, the Îlot de Sable Blanc du Sud is a white-sand islet surrounded by a shallow reef environment. The site features a mix of coral structures and sandy seabed, with depths ranging from the surface down to 6 metres. It is well-suited for beginners and snorkelers, offering a calm experience with mild currents. Access to the islet requires a boat trip from the shore. Water temperatures are warm throughout the year, typically ranging between 26C and 30C. The site provides a straightforward, accessible environment for observing the local reef topography and shallow marine habitats.

Ilot Bandrélé #2 is a reef site located 2500 metres off the coast of Mayotte. The reef slopes from the shallows to a maximum depth of 23 metres, with an average depth of 15 metres. Visibility typically ranges between 10 and 30 metres. Access is by boat only, and the site is suitable for beginners due to generally mild currents. Divers should be aware of boat traffic and the presence of lionfish in reef crevices. Species recorded around this area include nudibranchs, flatworms, groupers, wrasses, and various reef fish. Water temperatures remain between 25 and 30 degrees Celsius throughout the year.

Passe en S is a boat-access drift dive located in the southern lagoon of Mayotte. The site features a reef and drop-off where depths typically range between 15 and 25 metres. Strong currents are a defining characteristic, requiring divers to manage drift and maintain buoyancy. Visibility is variable, ranging from 10 to 30 metres. Divers may encounter species including Chromodoris and Nembrotha nudibranchs, Indian lionfish, leaf scorpionfish, groupers, blue dragons, wrasses, flatworms, Moorish idols, rock cod, Desirable Flabellina, scorpionfish, forcepsfish, and Pacific bullethead parrotfish. Due to the powerful currents and boat-dependent nature of the site, a surface marker buoy is essential for all divers.

Abalone is a reef and drop-off site located 10 kilometres from N'Gouja Beach. The topography features a reef top at 5 metres that descends into a wall reaching depths of 60 metres, with an average depth of 25 metres. Divers experience strong currents, which often facilitate drift dives along the wall. Visibility ranges from 15 to 40 metres. Due to the depth and current, this site is suited for intermediate divers. Both boat and shore entries are possible. Species recorded around this area include nudibranchs, wrasses, butterflyfish, pufferfish, and groupers. Divers should monitor local reports for surge and current strength before entry and maintain strict decompression discipline.

N'Gouja Beach in South Mayotte features a shallow reef and seagrass habitat accessible directly from the shore. The site is suitable for beginners, with depths ranging from 1 to 10 metres and an average depth of 3 metres. Divers and snorkellers experience calm waters with mild currents, though conditions can vary with visibility between 1 and 10 metres. The area is characterised by its golden sand beach and surrounding vegetation. Typical dives last approximately 45 minutes. Facilities at the site include toilets. Hazards to be aware of include jellyfish, sharks, and strong currents.

Tahiti Plage at N'Gouja Beach offers a quiet alternative to neighbouring sites, featuring a well-preserved reef and drop-off. Snorkellers can explore depths ranging from 1 to 10 metres, with an average depth of 3 metres. The site is accessible directly from the shore, located approximately 200 metres out. Conditions are generally mild, though visitors should be aware of potential hazards including jellyfish, sea urchins, and sharp coral. The site is suitable for beginners, with typical snorkel sessions lasting around 45 minutes. Facilities at the beach include parking and a cafe for visitors.

Plage Gouéla is a black sand beach offering a quiet alternative to nearby N'Gouja. The site features a reef drop-off located approximately 200 metres from the shore, suitable for both diving and snorkelling. Depths at this location range from 1 to 10 metres, with an average depth of 7 metres. Divers and snorkellers should expect mild currents and visibility ranging from 3 to 10 metres. Water temperatures remain warm throughout the year, between 26C and 30C. Access is via the shore, and parking facilities are available. Hazards include the potential for low visibility and sharp coral formations. A typical dive at this site lasts 60 minutes.

Ilots Choizil is a reef site located 800 metres from the shore in North Mayotte. The site features a shallow topography with depths ranging from 1 to 6 metres, averaging 3 metres. It is accessible by both boat and shore entry. Divers and snorkellers can expect to encounter a variety of reef fish and invertebrates typical of the region. Conditions at the site are variable, with visibility ranging from 10 to 25 metres and moderate currents. Due to the presence of surf and strong currents, visitors should exercise caution. The site is suitable for beginners and offers a high-quality snorkelling experience.