The island of Changuu, also known as Prison Island, is about 30 minutes by boat from Stone Town. With a short boat ride, reach the island and spend the day snorkeling, hiking and relaxing in the sun.
You will get the opportunity to visit the tortoise sanctuary, which contains a large colony of giant tortoises imported from the Seychelles in the late 19th century.
You can also snorkel in the crystal clear water and search for colorful tropical fish and attractive corals around the island.
Visit the small island in front of the stone city and see the ruins of the ancient prison originally used for rebel slaves by Arab owners and later as a quarantine center for British territory in East Africa.