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Whale shark fin breaking turquoise waters during marine safari at Mafia Island, Tanzania
Mafia Island, Tanzania, is a hidden jewel of the Indian Ocean, part of the Mafia Island Archipelago off the coast of East Africa. Mafia Island lies south of Zanzibar and is reached by short flights to Mafia Island from Dar es Salaam. Less visited than Zanzibar, it offers a quieter, more authentic island experience, complete with pristine white sand beaches, mangroves, and a rich cultural heritage. The island’s main attraction is the Mafia Island Marine Park, one of the best diving destinations in East Africa. Here, travellers can explore coral reefs, colourful fish, and thriving marine life through snorkelling and scuba diving. Between October and March, the highlight is swimming with the whale sharks of Mafia Island, the gentle giants that feed in the waters surrounding the island. Chole Bay, Mafia Island, provides sheltered waters ideal for diving, while turtles nest on surrounding beaches, and dolphins are often seen offshore. Beyond the water, Mafia’s beach lodges and eco-camps provide intimate stays, with access to mangrove walks and cultural excursions. Its tranquil pace makes it a perfect end to a Mafia Island safari and beach itinerary, combining Tanzania’s wildlife with island relaxation.




































The best time to visit Mafia Island depends on interest: for whale shark season, plan between October and March, when sightings peak. For diving and snorkelling, conditions are best from October to February and again from June to September, with excellent visibility on the reefs. The rainy months of April and May bring rough seas and limited access, making this the least favourable period.
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Because of the easy way we communicated with our Viatu expert, it felt like planning our holidays with a friend. It made it really flexible and perfectly suitable for our needs. The accommodations that he suggested were just wonderful and a perfect mix of everything we needed.
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With super short notice, they organised a trip that was just perfect. Loved everything about it! Will definitely recommend Viatu to all my friends!
Margherita
Our Viatu experience was just amazing, starting with the first discussions and the planning of our trip to Namibia. The Viatu team did a great job planning the trip according to our wishes and preferences.
Stefano
We booked our 3.5-week honeymoon with Viatu, and it was simply wonderful! We had the most amazing time in South Africa and will book holidays with Viatu again!
Linda
I spent one of my most exciting and beautiful holidays with Viatu in Namibia. From unforgettable game drives, lodges with stunning locations, delicious food and an adventurous cycling trip through the desert, we got the full package.
Manuel
From the first contact to trip preparation and implementation as well as support during the trip, Viatu always acted very professionally. Our wishes and the given financial framework were taken into account. The hotels, the food, the activities - everything was excellent and highly recommended.
Nadja
We booked our honeymoon with Viatu. From the first minute on, we had good communication going with our travel agent, and she suggested a very nice itinerary right away. After some little adjustments that were easily done, we were ready to go.
Nora
I'm very thankful for my first Viatu experience. The 3-week trip across Namibia combined incredible landscapes and nature, mindblowing eco-friendly lodges and utter peace of mind. The organisation and support of the Viatu team were spot-on - this is the way to impress. Thanks a lot!
Christoph
The recommended accommodations were perfect for us and everything was as expected. Even though we booked on very short notice, everything went smoothly and was well managed by Viatu.
Jan
We had the most wonderful experience with Viatu and the trip of a lifetime. My sister and I travelled for 3,5 weeks through Namibia and South Africa, and everything was perfectly planned and just amazing.
Valerie
Because of the easy way we communicated with our Viatu expert, it felt like planning our holidays with a friend. It made it really flexible and perfectly suitable for our needs. The accommodations that he suggested were just wonderful and a perfect mix of everything we needed.
Nicole