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Catch a shared boat from Stone Town to Prison Island’s tortoises and the ephemeral Nakupenda sandbank. This six-hour coastal trip pairs light history and reef snorkeling with a sun-drenched lunch on powdered sand.
Catch a shared boat from Stone Town to Prison Island’s tortoises and the ephemeral Nakupenda sandbank. This six-hour coastal trip pairs light history and reef snorkeling with a sun-drenched lunch on powdered sand.
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Operated by Adventure Retreat · Stone Town, Zanzibar
A low-slung skiff parts the turquoise water and Stone Town shrinks into a dry silhouette — gulls wheel and the engine hum becomes the rhythm of the day. Minutes from the old harbor, the boat slips into the shallows around Prison Island, where sun-bleached coral rock and colonial ruins meet a troop of Aldabra giant tortoises that move with improbable patience.
easy.
6 hours.
Suitable for most fitness levels; requires boarding a small boat and short walks on uneven sand and coral flats.
The shared excursion runs about six hours from Stone Town, including island time and lunch on the sandbank.
Yes — snorkelling equipment is listed as included, but many travelers prefer to bring their own mask for fit and comfort.
Absolutely — the sandbank has shallow water for paddling and sunbathing; flotation aids are usually available for less confident swimmers.
Facilities are basic: Prison Island has limited amenities near the docks; Nakupenda typically has no permanent facilities, so plan accordingly.
Prison Island was used in the 19th century as a quarantine station and briefly as a prison; ruins and a small museum reflect colonial-era health and penal practices.
Operators commonly follow reef-protection rules—avoid stepping on coral, use reef-safe sunscreen, and minimize single-use plastics to reduce local impact.
Adventure Retreat operates guided outdoor trips and adventures with an emphasis on safety, stewardship, and memorable experiences.
Book with Adventure Retreat
Book directly with Adventure Retreat for the best rates and real-time scheduling.
Reserve Now