Zanzibar

Mnemba Atoll is the most popular dive site in Zanzibar, Tanzania, United Republic of. As a protected marine conservation area, its reefs are exceptionally healthy and teeming with fish. Divers love it for the high chance of seeing dolphins, green turtles, and massive schools of fish against a backdrop of pristine coral gardens. Its clear, calm waters make it accessible and spectacular for divers of all skill levels.

Besides the famous Mnemba Atoll, sites around Tumbatu Island are also popular for their beautiful coral formations. For a less-crowded experience in Zanzibar, Tanzania, United Republic of, head south to Kizimkazi. These sites offer different topography with a chance for drift dives and unique marine encounters. Leven Bank is another excellent deep dive for advanced divers seeking larger pelagic action.

Water temperatures in Zanzibar, Tanzania, United Republic of are warm all year. From December to March, expect balmy waters of 28-30°C (82-86°F). During the cooler, drier season from June to October, temperatures dip slightly to a still-comfortable 25-27°C (77-81°F). These consistently warm conditions make diving pleasant at any time of the year.

The best times to visit Zanzibar, Tanzania, United Republic of for diving are during the two dry seasons: from June to October and from December to February. These periods offer the best weather, with calm seas and optimal underwater visibility. The main rainy season from March to May is generally avoided by divers due to potentially rougher conditions and reduced visibility.

Underwater visibility during the dive season in Zanzibar, Tanzania, United Republic of is typically excellent, often ranging from 20 to 30 meters (65-100 feet). The clearest conditions are found during the dry seasons (June-Oct and Dec-Feb). Visibility can be temporarily reduced by plankton blooms, which can attract larger filter feeders, or after heavy rainfall.

Humpback whales migrate past Zanzibar, Tanzania, United Republic of between July and October, and sightings are possible during boat trips. From November to February, there is a chance of encountering whale sharks, although sightings are not guaranteed. Manta rays can also be spotted occasionally at specific cleaning stations around the islands, adding a special thrill to any dive.

You can expect to see abundant reef fish like angelfish, butterflyfish, and clownfish in Zanzibar, Tanzania, United Republic of. Green and hawksbill turtles are common, as are dolphins. Larger species include barracuda, trevally, and Napoleon wrasse. The reefs are also home to moray eels, octopus, and fantastic macro life like nudibranchs, leaf fish, and ribbon eels.

For the warm waters of Zanzibar, Tanzania, United Republic of, a 3mm shorty or full wetsuit is suitable for most of the year. During the warmest months (December-March), many divers are comfortable in just a rash guard. For the slightly cooler season (June-October) or for those who get cold easily, a 3mm or even a 5mm full suit is recommended.

Most visitors fly into Abeid Amani Karume International Airport (ZNZ) in Zanzibar, Tanzania, United Republic of. The airport has connections to major hubs in Africa, the Middle East, and Europe. An alternative is to fly to Dar es Salaam (DAR) on the mainland and then take a short 20-minute domestic flight or a 2-hour scenic ferry ride across to the island.

Shore-based diving is the standard in Zanzibar, Tanzania, United Republic of. Numerous dive centers and resorts offer daily boat trips to the local dive sites, including Mnemba Atoll. This provides flexibility and is ideal for combining diving with other island activities. Liveaboards are uncommon and generally focus on multi-island itineraries that include Pemba and Mafia, not just Zanzibar.