Mnemba Island is a marine reserve located off the northeastern coast of Zanzibar, featuring a shallow coral reef system. The site offers depths ranging from 2 to 40 metres, with an average of 25 metres, and is accessible only by boat. Divers and snorkellers can encounter species such as Emperor Angelfish, Peacock Mantis Shrimp, Giant Frogfish, and various nudibranchs. Other residents include Day Octopus, Leaf Scorpionfish, Blackcheek Moray, and Indian Lionfish. Visibility typically spans 15 to 30 metres. The site is suitable for beginners, though divers should be aware of moderate currents, boat traffic, and the presence of lionfish and stonefish. Guided tours are available for both diving and snorkelling activities.

Mnemba Sandbanks features a reef system transitioning from shallow coral gardens into a wall and drop-off reaching depths of 18 metres. This site is accessible by boat and suits beginner divers due to mild currents and visibility ranging from 10 to 30 metres. Water temperatures remain between 26 and 29 degrees Celsius throughout the year. The site is suitable for night diving, offering an alternative perspective of the reef structure. Divers should exercise caution regarding boat traffic, sharp coral, and stonefish, which may be present on the substrate. Guided tours, equipment rental, and air fills are available for visitors.

Mnemba Watta Bomi is a reef site located 5000 metres offshore from Zanzibar West and Stone Town. This drift dive site features depths ranging from 5 to 30 metres, with an average depth of 12 metres. Access is exclusively by boat. Visibility typically fluctuates between 15 and 25 metres, and water temperatures remain between 26 and 29 degrees Celsius throughout the year. The site is suitable for night diving, with typical dive durations of 45 minutes. Divers should be aware of potential hazards including lionfish, stonefish, and sharp coral. Guided tours, equipment rental, and air fills are available through local dive shops.

Aquarium is a marine dive site located off the coast of Zanzibar West and Stone Town, Tanzania. The site features a consistent depth of 9 metres. Conditions at this location vary, with water temperatures ranging from 26C to 29C throughout the year. As a shallow site, it is accessible for divers looking for a straightforward underwater experience. The topography is typical of the region, though specific marine life observations are not available for this location. Divers should plan their visits according to local maritime conditions and standard safety protocols for shallow water diving in the Zanzibar area.

Mnemba Kichwami is a marine site featuring a combination of reef and wall topography suitable for drift diving. Located off Zanzibar, the site offers depths ranging from 2 to 30 metres, with an average depth of 15 metres. Conditions are generally mild, with visibility typically between 15 and 30 metres and water temperatures ranging from 26 to 29C. Access is by boat only, and the site is suitable for beginners. Divers should be aware of potential hazards including lionfish, stonefish, and sharp coral. Guided tours, equipment rental, and air fills are available for visitors.

Boat House is a marine dive site located off Zanzibar West and Stone Town. The site features a reef slope that descends to a maximum depth of 40 metres. Divers can access the site via both shore and boat entries. Water temperatures at this location range between 26C and 29C throughout the year. The topography is characterised by a gentle reef slope, providing a varied profile for divers of different experience levels. As there is no specific species data available for this site, visitors should focus on the physical reef structure and the general marine environment typical of the Zanzibar region.

Groupers Rock is a reef and pinnacle site located off Zanzibar West and Stone Town. The topography ranges from 12 to 25 metres, with an average depth of 18 metres. Divers encounter mild currents and visibility between 10 and 30 metres. Marine life includes common wrasses and uncommon species such as Chromodoris nudibranchs, Pink Skunk anemonefish, Melon butterflyfish, Spotted garden eels, and Powder-blue surgeonfish. The site requires boat access. Hazards include lionfish, sea urchins, and sharp coral, necessitating careful buoyancy control to avoid contact with the reef. Water temperatures remain warm, ranging from 26 to 29 degrees Celsius throughout the year.

Little Wall is a shallow reef site located off Zanzibar West and Stone Town. The site is accessible via a shore entry, making it a practical option for newly certified divers or those looking to build confidence. Water temperatures remain warm throughout the year, ranging from 26 to 29 degrees Celsius. Because current and visibility can shift noticeably, divers should consult a local operator on the day of the dive to confirm current conditions. The sheltered nature of the reef helps maintain accessibility, though facilities are not guaranteed on site. Divers should verify available amenities before arrival.