- Clear-water reef snorkelling
- Abundant reef fish
- Boat trip from northeast beaches
- Popular dive site
The reef around Mnemba Atoll, off Zanzibar’s northeast coast, is one of the island’s best-known snorkelling and diving areas, with clear water and abundant reef fish. Trips depart by boat from the nearby beaches; the atoll itself is a private island, so visits are to the surrounding waters.
Mnemba, Mafia's whale sharks, and Pemba's walls.
Zanzibar's Mnemba Atoll is the best-known snorkelling in the archipelago — clear water, healthy coral, turtles and reef fish in numbers. Mafia is the serious one: its whale sharks are largely resident rather than migratory, which is unusual globally, and you snorkel with them in shallow bay water rather than open ocean.
Pemba is for divers. The channel drops away steeply very close to shore, producing wall dives with visibility and pelagics that Unguja cannot match.
Whale shark season runs roughly October to March. Diving is good year-round outside the April–May rains.
What actually happens
- 1
Mnemba Atoll — snorkelling and turtles
- 2
Mafia — resident whale sharks, Oct–Mar
- 3
Pemba — wall diving, experienced divers
- 4
Equipment rental available
- 5
PADI courses at most centres
Honest suitability
Families
Suitable for families. Tell us ages and we will pace the day accordingly.
Couples
Works well for couples; we can arrange a private vehicle.
Solo travellers
Popular with solo travellers.
Accessibility
Tell us about any mobility needs and we will adapt where we can — and say so honestly where we cannot.
What to bring
- Reef-safe sun cream
- Rash vest — the equatorial sun burns shoulders in minutes
- Reef shoes
- Dry bag
- Certification card if diving
Missing something? We rent almost all of it — see the equipment list.
Add this to your trip
Tell us your dates and we will tell you honestly whether it fits — and what it costs for your group size.
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