A short boat ride from Stone Town, Prison Island (Changuu) pairs giant Aldabra tortoises with easy snorkeling and a small white-sand beach. This half-day trip is ideal for city-break travelers who want wildlife and shallow reef swimming without long travel.
A short boat ride from Stone Town, Prison Island (Changuu) pairs giant Aldabra tortoises with easy snorkeling and a small white-sand beach. This half-day trip is ideal for city-break travelers who want wildlife and shallow reef swimming without long travel.
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Operated by Safanta Tours & Travel Company Limited · Stone Town, Zanzibar
The dhows fan out from Stone Town and in thirty minutes the silhouette of Prison Island—Changuu—resolves from the horizon: a low coral ring, a white crescent of sand and a grove of wind-riffed casuarinas. The boat slides into a shallow lagoon where the water turns the color of a coin and the island’s most famous residents move with improbable calm. Aldabra giant tortoises lift slow heads and shuffle toward visitors who come to see them up close.
easy.
3 hours.
Suitable for general fitness; minimal walking on flat paths and short swims in shallow water.
The crossing is roughly 25–35 minutes each way on a typical motorboat, depending on sea conditions.
Yes—snorkeling in shallow reefs is common; gear is often provided but bring your own if you prefer a better fit.
No—the Aldabra tortoises were introduced from the Seychelles and have been kept on Changuu Island for over a century.
Yes, but supervise children closely around tortoises and in shallow water; infants typically must sit on laps during transport according to some operators.
Changuu was used in the late 19th century as a quarantine island for yellow fever; its stone structures and old quarantine buildings remain visible.
Visitors should use reef-safe sunscreen, avoid touching coral and follow guides’ rules—tourism revenue helps support the small island community and tortoise care.
Safanta Tours & Travel Company Limited operates guided outdoor trips and adventures with an emphasis on safety, stewardship, and memorable experiences.




Book with Safanta Tours & Travel Company Limited
Book directly with Safanta Tours & Travel Company Limited for the best rates and real-time scheduling.
Reserve Now