Curieuse Island is a small granitic island located in the Seychelles archipelago, in the Indian Ocean. The island has an area of 2.86 square kilometers and is part of the Seychelles Marine National Park. It is known for its diverse flora and fauna, including giant Aldabra tortoises, several species of birds, and unique plants such as the coco de mer palm.

Curieuse Island has a rich history as well. It was once used as a leper colony and is home to the ruins of the leprosarium. The island was also once used as a coconut plantation, and some of the ruins and buildings from this period can still be seen on the island.

Visitors to Curieuse Island can enjoy a range of activities, including hiking, birdwatching, and swimming. The island is particularly famous for its clear waters and beautiful coral reefs, making it a popular spot for snorkeling and scuba diving. Guided tours are available, allowing visitors to learn about the island's history and ecology from knowledgeable guides.