Tanzania

Country Name: United Republic of Tanzania

Capital City: Dodoma (official capital), Dar es Salaam (commercial capital)

Population: Approximately 65 million (2024 est.)

Official Language: Swahili (national language) and English (official language of education, administration, and business)

Currency: Tanzanian Shilling (TZS)

Time Zone: East Africa Time (EAT), UTC +3

Two wooden boats floating on vibrant blue ocean
Bustling street market with diverse crowd and colorful goods
Tropical frangipani on tree overlooking ocean with boat
Man with dogs on expansive sandy beach

Diving Overview

Tanzania offers diverse diving experiences, from the pristine coral reefs of Zanzibar to the unique underwater landscapes around Pemba Island. The country’s coastal waters are teeming with marine life, making it an ideal destination for divers of all levels.

  • Number of Dive Sites: Numerous dive sites along the mainland and island coastlines
  • Types of Diving: Reef, wall, drift, and wreck diving
  • Marine Biodiversity Highlights: Whale sharks, manta rays, dolphins, sea turtles, and vibrant coral reefs
  • Average Water Temperatures: 25-30°C (77-86°F)
  • Visibility Range: 15-30 meters (49-98 feet)

Important Information

Optimal Dive Seasons

The best diving conditions are from October to March, when the waters are calm and visibility is high.

Major Airports

Julius Nyerere International Airport (Dar es Salaam), Kilimanjaro International Airport (Moshi/Arusha), Abeid Amani Karume International Airport (Zanzibar)

The Travel Tip

A 3mm wetsuit is generally sufficient for diving in Tanzania’s warm waters, but consider a thicker wetsuit for deeper dives or cooler periods.

Weather Patterns

Tanzania has a tropical climate with distinct wet and dry seasons. The coastal areas are hot and humid, while the central plateau is drier and cooler.

Internal Transportation

Options include domestic flights, buses, ferries, and trains, with well-developed networks connecting major cities and tourist destinations.

Attractions

Key attractions include Mount Kilimanjaro, Serengeti National Park, Ngorongoro Crater, Zanzibar’s beaches, and the Selous Game Reserve.

Top Dive Regions

Tanzania offers some of the most stunning and diverse diving locations in East Africa, each with its own unique underwater landscapes and marine biodiversity. Zanzibar is a top destination, renowned for its crystal-clear waters, vibrant coral reefs, and historic shipwrecks that attract divers of all levels. Pemba Island, often referred to as the “Green Island,” boasts dramatic underwater topography with steep drop-offs, pristine coral gardens, and abundant marine life, making it a paradise for experienced divers. Mafia Island is famous for its encounters with whale sharks, particularly from October to March, and its rich coral reefs that provide a tranquil and less crowded diving experience. Mnemba Atoll, located off the northeast coast of Zanzibar, is celebrated for its excellent visibility and diverse marine species, including dolphins and sea turtles, offering some of the best diving conditions in the region. These top dive sites in Tanzania provide unparalleled opportunities to explore vibrant marine ecosystems and enjoy unforgettable underwater adventures​

Zanzibar

Known for its clear waters, rich marine biodiversity, and historical wrecks, making it a favorite for divers of all levels.

Pemba Island

Offers dramatic underwater landscapes, including steep drop-offs and coral gardens, renowned for their pristine condition and abundant marine life.

Mafia Island

Famous for encounters with whale sharks and vibrant coral reefs, providing unique diving experiences in a tranquil setting.

Mnemba Atoll

Located off the northeast coast of Zanzibar, this atoll is celebrated for its excellent visibility and diverse marine species, including dolphins and sea turtles.

Marine Life

Tanzania’s coastal waters are teeming with diverse and vibrant marine life, making it a top destination for underwater enthusiasts. The coral reefs around Zanzibar, Pemba, and Mafia Island host a rich array of species, including colorful corals, sponges, and a multitude of fish species such as parrotfish, angelfish, and butterflyfish. Divers frequently encounter larger marine animals such as whale sharks, which migrate through Mafia Island’s waters between October and March, as well as manta rays, dolphins, and several species of sea turtles. The coral reefs also provide habitats for various types of reef sharks and moray eels, while the seagrass beds and mangroves support species like seahorses and pipefish. Additionally, the nutrient-rich waters around Pemba Island are home to unique marine creatures such as frogfish, nudibranchs, and leaf scorpionfish, making Tanzania a paradise for macro photography enthusiasts

Common Species: Whale sharks, manta rays, dolphins, sea turtles, reef sharks, parrotfish, angelfish, butterflyfish, moray eels, and seahorses.

Seasonal Highlights: Whale sharks are most commonly seen around Mafia Island from October to March, while manta rays and dolphins can be encountered year-round​