Prison Island Zanzibar Tour | Tortoises, History & Boat Trip

Discover the fascinating history and natural beauty of Prison Island Zanzibar on a half-day adventure combining a scenic boat ride, island history, giant Aldabra tortoises and beautiful Indian Ocean scenery.

Located just a short boat ride from Stone Town, Prison Island—also known as Changuu Island—has a fascinating past. Originally developed as a quarantine station and later associated with plans for a prison, the island has become one of Zanzibar’s most popular excursions.

Explore the historic island with a local guide, visit the famous giant tortoise sanctuary and learn about these remarkable animals. After exploring the island, enjoy time by the ocean, with opportunities for swimming and optional snorkeling depending on sea and weather conditions.