The island is home to giant tortoises, which are a unique and endangered species. The opportunity to observe them in the wild and feed them is a remarkable experience for visitors.

The waters surrounding Prison Island are teeming with marine life, making it a perfect place for diving and snorkeling. Tourists can admire some of the most beautiful underwater landscapes.

The ruins of the former prison and other historic buildings serve as an intriguing witness to the island’s past.

The Aldabra giant tortoise is endemic to the Seychelles, with the nominate subspecies, A. g. gigantea native to Aldabra atoll. It is one of the largest tortoises in the world. Historically, giant tortoises were found on many of the western Indian Ocean islands, as well as Madagascar, and the fossil record indicates giant tortoises once occurred on every continent and many islands with the exception of Australia and Antarctica.

The Indian peafowl, blue peafowl, or common peafowl, is a species of large gallinaceous bird in the Galliformes family. It occurs naturally on the Indian subcontinent and has been introduced elsewhere in the world. As a breeding bird, it is often found in collections worldwide.

The dik-diks are four species of small antelope in the genus Madoqua, all of which live in the bush-lands of eastern and southern Africa. The name dik-dik comes from an onomatopoeia of the repetitive dik sound female dik-diks whistle through their long, tubular snouts when they feel threatened. Dik-diks stand about 30–40 centimeters at the shoulder, are 50–70 cm long, weigh 3–6 kilograms and can live for up to 10 years.