Mnemba Atoll
A private island ringed by a protected reef that is Zanzibar's signature dive and snorkel site: turtles, reef sharks, moray eels and dense tropical fish over shallow coral walls.
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Hours
Boat trips depart ~7:30-8 AM, return by early afternoon
Entry fee
Snorkel trips ~USD 30-50; two-tank dive ~USD 90-140
SAFETY TIP
Choose dive operators showing certification (PADI/SSI) and check the boat has life vests. Seas can be choppy - take motion-sickness tablets beforehand.