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.

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.

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.

Kwale Island, located near Chumbe Island, serves as a primary snorkeling destination within the Menai Bay Conservation Area. The site features a stable reef structure characterised by large coral bommies and proximity to a vibrant mangrove lagoon. Snorkellers can expect mild currents, making this an accessible location for beginners. Water temperatures typically range between 26C and 29C throughout the year. The habitat supports a variety of reef fish and invertebrates typical of the region. Visitors should be aware of potential hazards including jellyfish, sea urchins, and sharp coral. Access to this site is exclusively by boat.

Ukumbe Reef is a marine site located 12 kilometres off the coast of Chumbe Island, Tanzania. Accessible only by boat, the site features a reef environment with depths ranging from 3 to 22 metres, averaging 15 metres. Divers can expect mild currents and visibility between 15 and 30 metres. The water temperature remains stable between 26 and 29 degrees Celsius throughout the year. The site is suitable for beginners, with typical dives lasting 50 minutes. The habitat supports a variety of reef fish and invertebrates typical of the region. Divers should be aware of potential hazards including lionfish, sea urchins, and stonefish.

Sistersreef is a marine reef site located in Zanzibar, Tanzania. The site is accessed exclusively by boat and is suitable for beginner divers. The average depth is 9 metres, with recorded depths reaching 9.7 metres. Divers can expect mild currents and visibility ranging from 10 to 25 metres. Water temperatures fluctuate between 26C and 29C throughout the year. Typical dives at this location last approximately 45 minutes. Hazards at the site include sea urchins and sharp coral, so divers should exercise caution regarding buoyancy and contact with the reef structure.

Pingwe Beach in Zanzibar offers a combination of reef and seagrass habitats accessible directly from the shore. The site features a reef flat sheltered by a coral reef, with depths ranging from 2 to 30 metres and an average depth of 10 metres. Divers and snorkellers can encounter various species including Valentini pufferfish, wrasses, cardinalfish, convict surgeonfish, goatfish, and scissortail sergeant. Other inhabitants include hermit crabs, sea stars, and long-spined sea urchins. Visibility typically spans 15 to 30 metres, and currents remain mild. Facilities for air fills and equipment rental are available. Be aware of hazards including sharp coral and sea urchins when entering the water.

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.