The islands of the Indian Ocean are part of either the eastern, western, or southern areas. Some prominently large islands include Madagascar, Sri Lanka, and the Indonesian islands of Sumatra and Java. Eastern Indian Ocean Andaman Islands (India) Ashmore and Cartier Islands (Australia) Buccaneer Archipelago (Australia) Bird Island (Australia) Carnac Island (Australia) Christmas Island (Australia) Cocos (Keeling) Islands (Australia) Dirk Hartog Island (Australia) Enggano Island (Indonesia) Garden Island (Australia) Houtman Abrolhos (Australia) Lakshadweep Islands (India) Langkawi Islands (Malaysia) Little Island (Australia) Mannar Island (Sri Lanka) Mentawai Islands (Indonesia) Mergui Archipelago (Myanmar) Nias Island (Indonesia) Nicobar Islands (India) Pamban Island (India) Penang Island (Malaysia) Penguin Island (Australia) Phi Phi Islands (Thailand) Phuket (Thailand) Rosemary Island (Australia) Rottnest Island (Australia) Sabang (Indonesia) Sri Lanka Seal Island (Encounter Bay) (Australia) Seal Island (Investigator Strait), (Australia) Shag Island (Australia) Simeulue Island (Indonesia) St. Mary's Islands (India) Trigg Island (Australia) Western Indian Ocean Bajuni Islands (Somalia) Bazaruto Archipelago (Mozambique) Chagos Archipelago (including Diego Garcia) (UK) Comoros Khuriya Muriya Islands (Oman) Lakshadweep Archipelago (India) Lamu Archipelago (Kenya) Madagascar Mafia Island (Tanzania) Maldives Mauritius Agaléga Islands Cargados Carajos (St. Brandon) Rodrigues Mayotte (France) Pemba (Tanzania) Quirimbas Archipelago (Mozambique) Réunion (France) Seychelles La Digue Island Mahé, Seychelles Praslin Island Silhouette Island Saad ad-Din Islands (Somalia) Scattered Islands in the Indian Ocean (France) Banc du Geyser Bassas da India Europa Island Glorioso Islands Juan de Nova Island Tromelin Island Socotra Island (Yemen) Vypin Island (India) Vamizi Island (Mozambique) Vallarpadam (India) Willingdon Island (India) Zanzibar (Tanzania) Southern Indian Ocean Heard Island and McDonald Islands (Australia) Île Amsterdam, home to the research station Martin-de-Viviès (France) Île Saint-Paul (France) Kerguelen Islands (France) Prince Edward Islands (South Africa) Marion Island Prince Edward Island See also List of islands of Antarctica and the Southern Ocean — on the south. List of islands in the Atlantic Ocean — on the southwest. List of islands in the Pacific Ocean — on the east. Lists of islands 01 Indian Ocean Indian Ocean