Located off the coast of Zanzibar, Tanzania, Changu Island, also known as Prison Island, offers a unique blend of history and natural beauty. This charming island attracts visitors with its turquoise waters and lush greenery, providing a peaceful escape from the bustling city. The true highlight here is the giant tortoise sanctuary, home to Aldabra tortoises, some of which are over a century old. This sanctuary allows visitors to experience one of the world's most extraordinary species up close.

The island’s shoreline is dotted with coral reefs, making it an ideal spot for snorkeling enthusiasts keen to explore the vibrant marine life. With a rich historical background dating back to the 19th century, Changu Island was initially used as a quarantine station for yellow fever patients, then later as a prison, hence its nickname. The remnants of these structures still exist today, adding a layer of intrigue to the island’s serene environment.

In addition to its natural and historical allure, Changu Island provides stunning views of the surrounding Indian Ocean and the coast of Zanzibar. A day trip to this small yet captivating island offers a perfect mix of relaxation, adventure, and learning, making it a must-visit destination for those exploring Tanzania.