Île aux Cerfs (French for deer island) is an island near the east coast of the island of Mauritius. Nowadays there are no more deer on this island, but the island does have a luxury golf course.The only method of access is by ferry from Trou d'Eau Douce or by specific speed boats or catamarans.
The part of the ocean surrounding the islet is rather shallow, so you can walk for more than 100 meters in the ocean and the water won't cover you.
A great number of tourists visit the island every day, especially on weekends. Near the beach there are lots of merchants selling all kinds of Mauritian souvenirs, clothing and handmade accessories.
Round Island is an uninhabited islet 22.5 kilometers north of Mauritius. It has an area of 2.08 square kilometers and a maximum elevation of 280 meters. The island is a nature reserve under the jurisdiction of the Mauritian Ministry of Agriculture and Natural Resources.
Île de la Passe is a rocky islet in the bay of Grand Port on the island of Mauritius. Between 20-25 August 1810, during the British campaign to capture the island (then called Île de France) from the French, it was the scene of a long and very hard-fought action between roughly equal forces of French and British frigates and, on balance, a defeat for the British, who lost four frigates, though one of these was subsequently recaptured and the French squadron did not survive the British invasion of Mauritius.
Coin de Mire, also called Gunner's Quoin, measures just 65 hectares and lies 8 km north of Mauritius. There are remnants of a sugar plantation set up by Dutch settlers. Gunner's Quoin is near Ile Plate, also called "Flat Island".
Île D'Ambre, or Amber Island, is an islet off the eastern coast of Mauritius. It is relatively large compared to some of the other islets, and it has a number smaller islets of its own, including Île Mounick, Matapan Island and Îlot Canarde. The Forestry Services of the Ministry for Agriculture, Fisheries and Natural Resources is in charge of the islet.
It is known for having the last definite sighting of a dodo in 1662.
Located not too far from Île D'Ambre, Pointe Bernache is a small islet which is popular with tourists as it has a stunning beach on its south coast. The island is surrounded by a lagoon, which is often fished in.
Flat island, known as Île Plate in French, is located near Round Island, Île aux Serpents and Coin de Mire at the extreme north of Mauritius. It includes Flat Island, which is at risk of submerging, the unvegetated Îlot Gabriel and the tiny Pigeon Rock. There is a graveyard on the island dating back to the 19th century; people suffering from malaria and other diseases were sent to the island by the British to stop the germs from spreading. It also houses one of the two working lighthouses in Mauritius.
Flat island area harbors an internationally famous dive site called The Shark Pit where divers can witness sharks swirling within the pit for the rich oxygen available due to the crushing waves against the cliffs of Pigeon Rock 
The Grand Port islets once made up a small volcanic island which has submerged with the rising tide. The islets around Grand Port include Île aux Flamants, Île Vacoas, Île Fouquet, Île aux Fous, Île aux Oiseaux, Rocher des Oiseaux, Île de la Passe (above), Île Marianne, Îlot Chats and Île aux Signes amongst many others. Clashes between the French and English sometimes took place around the islands in the Battle of Grand Port, to determine control of Mauritius.
The reservoirs of La Ferme and La Mare du Vacoas both have at least one small, land-tied islet within them. In the case of La Ferme (an unnamed islet, but often called Île de la Ferme), there is a small weather station on the islet.
Known as Serpent Islet or Serpent Island in English, there are, despite the name, no snakes on the island; the last indigenous snake species once survived here but became extinct shortly after European arrival. The islet is mountainous.
A subspecies of Serpent Island gecko, Nactus serpensinsula serpensinsula, is endemic to this islet.Centipede Scolopendra abnormis is only found on this islet (where it is abundant) and the nearby Île Ronde, Mauritius.
Mouchoir Rouge, located in the bay of Grand Port, in Mahebourg, has a small guest house which is permanently inhabited. There was once another small islet not far away, but this has sunk in recent years and at low tide emerges as a rock.
Île aux Benitiers includes a large island, with coconut plantations and is permanently inhabited and the smaller Îlot Benitier. The main island is 2 km long and 500m wide lying off of La Gaulette. The islet of Îlot Benitier has been on private lease since 1927 and also supports a small plantation, but is only accessibly for a few months a year. On the northern tip of the main island there are small colonies of migratory birds. Île aux Benitiers is currently under Nubheebucus Family Control.
Known as Dead Man Island by the British, the island is known to be the site of many shipwrecks. It is located off the coast of Rivière du Rempart District.
Île Albatross is located near Savanne, southern Mauritius. There are thousands of migratory birds on the island and it has been declared a nature reserve.
A small, once-volcanic islet off the coast of Île D'ambre, this islet was named after the famous volcano on nearby Réunion. It is thought to have broken away from Île D'ambre.
Also known as Île aux deux Cocos, the island, located off the southern coast of Grand Port, is named after the two abandoned coconut plantations it houses. The plantations were set up by the French, but were abandoned after crops were damaged during a lengthy storm in the 18th century.
Both of these relatively large islands, lying to the east of Mauritius and considered part of Flacq, become temporarily merged at low tide. The islets are an increasingly popular camping site and there are plans to rebuild a disused lodge on Île de L'Est.
This islet is located not too far off from Île aux Chats; it is a nature reserve that can be visited with permission.
Not to be confused with the Grand Port islet, the Île Vacoas of Flacq was named after the Vacoas (sugarcane in Creole) which was planted by the European arrivals.
Îlot Seychelles is a small islet within the Port Louis harbour. The name comes from the Seychelles islands to the north.
Named after the uncommon Fregate colony on the island, Île Fregate has been declared a nature reserve by the Mauritian government.
Originally a single peninsula joined to mainland Port Louis, this has since split to form two separate islets. Île aux Tonneliers is the larger of the two, which serves as an anchorage site for ships. The island is covered in shrub. Île Albatross is smaller and unvegetated.
The islet of Île Sancho is relatively new, having as recently as the 1950s been a small sandbank. It is now covered with vegetation and is a stopping point for vessels travelling through the Indian Ocean. It is located off the coast of Savanne and is surrounded by an extended reef.
Île Roches is located in between Grand Port and Flacq. There is little vegetation and has been of little use since an unsuccessful attempt by the British to plant coconut trees there.
Île aux Sables and Île aux Cocos are two islets off the eastern coast of Rodrigues. Both are nature reserves and home to meteorological stations. They are well known for their abundant birdlife.
Hermitage Island (French: Île Hermitage) is a small island lying south west of Port Sud-Est in Rodrigues. It is reputed to be the location of buried treasure and is a popular destination for tourists.
Crazy Island (French: Île aux Fous) is a small island lying off the coast of Rodrigues, Île aux Fous is named after the leper colony on the island during the Dutch conquest of Mauritius.