Starfish is a shallow reef and seagrass site located in Zanzibar West and Stone Town, Tanzania. Designed for snorkelling, the site features an average depth of one metre, with a maximum depth of two metres. Access is via the shore, and conditions are generally mild with visibility ranging from 10 to 30 metres. Water temperatures remain consistently warm throughout the year, between 26 and 29 degrees Celsius. Due to the shallow nature of the site, snorkelers should be aware of hazards including boat traffic, sea urchins, sharp coral, and stonefish. Guided tours are available for those visiting this area.

Stingray City in Zanzibar, Tanzania, is a marine site featuring a combination of reef and seagrass habitats. Located 1500 metres from shore, the site requires boat access and offers depths ranging from 6 to 22 metres, with an average of 14 metres. Divers can expect mild currents and visibility between 10 and 30 metres. The site is suitable for beginners, with typical dives lasting 50 minutes. Marine life recorded at this site includes wrasses, flower urchins, magnificent giant anemones, pink skunk anemonefish, goatfish, three-spot dascyllus, sea stars, red-knobbed sea stars, cardinalfish, scissortail sergeant, sea cucumbers, snails, hard coral, and cabbage coral. Be aware of sharp coral present in the area.

Pomona South is a marine dive site located 2000 metres from the shore of Zanzibar, Tanzania. The site features a combination of reef and seagrass habitats. Divers can expect a consistent depth of 9 metres, making it a suitable location for beginners. Access to the site is by boat, and conditions typically involve mild currents. A standard dive at this location lasts approximately 45 minutes. Night diving is also available at this site. Water temperatures range from 26C to 29C throughout the year.

Mnemba Atoll is a marine site featuring a combination of reef and wall topography. Located 3000 metres from the shore, the site requires boat access and offers depths ranging from 2 to 50 metres, with an average depth of 18 metres. Conditions vary, with visibility typically between 15 and 30 metres and moderate currents. The site is suitable for beginners, though divers should be aware of hazards including boat traffic, deep sections, strong currents, and the presence of lionfish, sharks, and stonefish. Typical dives last approximately 50 minutes. Facilities available include air fills, equipment rental, guided tours, and boat charters.

One Ocean is a boat-access reef site located off Zanzibar West and Stone Town. The site features a depth range of 5 to 30 metres, with an average depth of 18 metres, making it suitable for intermediate divers. Visibility typically ranges from 15 to 30 metres, allowing for clear observation of the reef structure. Divers should be prepared for moderate currents, which require careful buoyancy control and planning. Water temperatures remain consistent throughout the year, fluctuating between 26 and 29 degrees Celsius. As infrastructure is unverified, divers should confirm facility availability locally before planning a trip.

Zanzibar South is a reef site in Tanzania characterised by variable visibility and shifting currents. Divers should expect strong currents and significant surge or swell, requiring careful monitoring of depth and thermoclines. The reef features sharp coral, rocks, and sea urchins, necessitating caution to avoid contact. As conditions fluctuate based on tide and season, it is essential to consult a local dive operator before entry. The site lacks confirmed facilities, so visitors must arrive self-sufficient with all necessary equipment and water. The habitat supports a variety of reef fish and invertebrates typical of the region.

Kizidi reef is a marine site located in Zanzibar, Tanzania, offering a typical dive duration of 50 minutes. The reef features depths ranging from 4 to 18 metres, with an average depth of 12 metres. Access to the site is by boat only. Divers can expect mild currents and visibility between 10 and 30 metres. Water temperatures remain consistent throughout the year, ranging from 26C to 29C. The site is suitable for beginners. Hazards at this location include lionfish, sea urchins, and sharp coral. The reef is characterised by healthy and abundant coral formations.

Big Wall in Zanzibar West and Stone Town is a dramatic reef drop-off that descends from a shallow reef top into deep water. The site features a vertical wall structure, with depths ranging from 14 to 40 metres. Due to the strong currents and significant depth, this site is suitable for advanced divers only. Boat access is required to reach the location. Visibility varies between 15 and 60 metres, and water temperatures remain between 26C and 29C throughout the year. Species recorded around this area include Peacock Mantis Shrimp, Emperor Angelfish, Giant Frogfish, Leaf Scorpionfish, Indian Lionfish, Chromodoris Nudibranch, Day Octopus, Nembrotha Nudibranch, Bluespotted Fantail Ray, Spotfin Lionfish, Undulated Moray, Reef Stonefish, Regal Angelfish, and Crocodilefish.