Mafia Island Diving

Mafia Island Diving

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A community focused, environmentally conscious dive centre on Mafia Island, Tanzania Our mini refresher includes 4 skills and usually takes 10 to 15 minutes.

Mafia Island Diving is an owner-managed, community focused, environmentally conscious PADI dive centre located on Utende beach, overlooking Chole bay — the heart of Tanzania’s oldest and largest marine protected area.

~ About Us & The Centre ~
We're a multi-award winning dive centre that has been in operation for almost a decade

Our diver to guide ratio is never more than 4:1 and our courses a

29/06/2026

Milimani is the Swahili word for "mountains." Dive this reef and you'll see why. 🏔️
Huge coral formations rise from the sea floor like a submerged mountain range, packed with schools of fish. The structure here is impressive and the reef is so long we divide it across three different dive sites and this is just the central part.
Look inside the crevasses and find what's hiding : lobsters, moray eels and torpedo rays can be found there.

📍 Milimani Reef, Mafia Island, Tanzania

23/02/2026

At first, you might think someone lost their scrunchie on the reef during a dive.
But look closer and you’ll notice the tiny dots; each one an individual embryo; arranged in delicate ribbons.

They’re nudibranch eggs. As if the adults weren’t beautiful enough, even their eggs are works of art.

29/01/2026

From juvenile to adult 🐠

Blink and you’d never guess they’re the same fish 👀

The emperor angelfish (Pomacanthus imperator) undergoes one of the most dramatic colour changes on the reef.
Same species, completely different look — nature doesn’t do subtle.

Photos from Mafia Island Diving's post 17/12/2025

Last week was pretty special 🐸🐟

We spotted an unusually high number of hairy frogfish along the shore — something we don’t get to see very often.

Frogfish are masters of camouflage. Part of the anglerfish family, they use a small lure on their head to attract prey 🎣 They may look slow, but their strike is one of the fastest in the ocean.

Some species go through a so-called hairy phase, developing filament-like skin that helps them blend perfectly with algae, sponges and coral rubble 🌿

Photos from Mafia Island Diving's post 16/11/2025

Meet the Peacock-Tail Anemone Shrimp (Periclimenes brevicarpalis) 🦐

This small, nearly transparent shrimp lives right in the tentacles of sea anemones — safe, hidden, and perfectly adapted. It uses the anemone’s mucus to blend in, letting it move freely without being harmed.

Its body is dotted with white spots, and its tail rings out in bright orange and black. Sometimes, you’ll spot a pair sharing the same host, gently feeding on leftovers and tiny plankton.

The kind of detail you only find when you stop rushing and really look.

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Location

Address


PO Box 89, Mafia Island
Kilindoni
3333

Opening Hours

Monday 08:00 - 18:00
Tuesday 08:00 - 18:00
Wednesday 08:00 - 18:00
Thursday 08:00 - 18:00
Friday 08:00 - 18:00
Saturday 08:00 - 18:00
Sunday 08:00 - 18:00