Just 5 km from Stone Town lies Changuu Prison Island, also known as Changuu Island Zanzibar — a tiny slice of paradise with a story as deep as the sea around it.
Once built as a quarantine and prison island, today it’s one of Zanzibar’s top attractions, famous for its giant Aldabra tortoises, turquoise waters, and coral-filled lagoons.
The name “Changuu” comes from the Swahili word for a local fish — and like its namesake, the island glides between history and beauty with effortless grace.



Originally constructed in the 1890s as a detention site, Prison Island Zanzibar never actually held prisoners — instead, it became a quarantine station for yellow fever.
The original buildings still stand strong, whispering stories of colonial Zanzibar and offering breathtaking views of the ocean horizon.
Today, Prison Island (Changuu Private Island) stands as a powerful reminder of the past — beautifully transformed into a peaceful sanctuary of nature, history, and wildlife.
The biggest stars of Changuu Island Zanzibar are the giant Aldabra tortoises, some over 150 years old! Originally gifted from the Seychelles in the 19th century, they now roam freely across the island, captivating visitors of all ages.
Visitors can feed them, take photos, and learn about their conservation — an unforgettable moment that makes Prison Island Changuu one of the most magical spots in the Zanzibar Archipelago.
Whether you’re coming for history, nature, or relaxation, Changuu Prison Island has it all:
For those who wish to stay longer, there are charming accommodation options blending comfort and history:
Getting to Changuu Prison Island is quick and easy:
It’s the perfect half-day trip that combines history, wildlife, and relaxation.
Because it’s more than an island — it’s a living museum, a wildlife sanctuary, and a tropical dream all in one.
Here, you’ll find echoes of the past, peace in the present, and beauty that never fades.
Whether you’re feeding tortoises, walking among ancient coral walls, or watching dhows drift by in the distance — Prison Island Zanzibar leaves you with memories that stay long after you’ve returned to shore.
Take a short boat ride from Stone Town and travel back in time — to a place where giant tortoises roam freely, and the whispers of history meet the rhythm of the sea.
✨ Plan your Prison Island Zanzibar adventure with Boma Discoveries — where every journey tells a story worth remembering.
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