Ile aux Cerfs is a small island off the east coast of Mauritius, located near the village of Trou d'Eau Douce. It is a popular tourist destination known for its pristine beaches, turquoise waters, and water sports activities.

The island is about 87 hectares in size and is home to an 18-hole golf course designed by Bernhard Langer. It has several secluded coves and sandy beaches, including the popular public beach, which offers an array of water sports activities such as parasailing, water skiing, banana boat rides, and snorkeling.

In addition to its natural beauty, Ile aux Cerfs has several restaurants, bars, and shops that cater to tourists. Visitors can also take boat trips to nearby islands, including Ile aux Phares, Ile aux Aigrettes, and the famous Grand River South East Waterfall.

The island is accessible via boat from Trou d'Eau Douce and can be visited as a day trip or for a longer stay at one of the island's luxury resorts.