| Island’s Name |
Island group(s) |
Country/Countries |
| Ma Wan |
 Hong Kong |
 People's Republic of China |
| Maadhiguvaru |
Gaafu Alif Atoll |
 Maldives |
| Machias Seal |
Disputed Between  Maine and  New Brunswick |
Disputed between
 the United States and  Canada |
| Mackay |
 North Carolina and  Virginia |
United States |
| Mackenzie King |
Queen Elizabeth Islands,  Nunavut and  Northwest Territories |
Canada |
| Mackinac |
Lake Huron,  Michigan |
United States |
| Maclellan |
Tennessee River,  Tennessee |
United States |
| Madagascar |
Indian Ocean |
 Madagascar |
La Maddalena  |
 Sardinia |
 Italy |
| Iles des Madeleines |
|
 Senegal |
| Madeline |
Lake Superior,  Wisconsin |
United States |
| Madeira |
 Madeira Islands |
 Portugal |
| Madrid Bar |
Mississippi River,  Kentucky |
United States |
| Madura |
 East Java |
 Indonesia |
| Maewo |
Pacific Ocean |
 Vanuatu |
| Mafia |
Tanzanian Spice Islands |
 Tanzania |
| Isla Magdalena |
 Baja California Sur |
 Mexico |
| Magerøya |
 Nordkapp,  Finnmark |
 Norway |
| Mageshima |
Osumi Islands part of the Satsunan Islands group of the Nansei Islands |
 Japan |
| Magusaiai |
Shortland Islands |
 Solomon Islands |
| Maiao |
Windward Islands, Society Islands,  French Polynesia |
 Overseas Lands of France |
| Mainau |
Lake Constance |
 Germany |
| Mainland |
 Shetland Islands |
 Scotland |
| Majuli |
Brahmaputra River, Assam |
 India |
| Majuro |
Ratak Chain |
 Marshall Islands |
| Makada |
Duke of York Islands |
 Papua New Guinea |
| Makanrushi |
Kuril Islands,  Sakhalin Oblast |
 Russia |
| Makatea |
 Tuamotus, French Polynesia |
France |
| Makema |
Tuamotus, French Polynesia |
France |
| Makura |
Shepherd Islands |
Vanuatu |
| Malakula |
New Hebrides |
Vanuatu |
| Malcolm |
 British Columbia |
Canada |
| Malden |
Line Islands |
 Kiribati |
| Mallard |
Lake Audubon,  North Dakota |
United States |
| Mallorca |
 Balearic Islands |
 Spain |
| Malo |
Pacific Ocean |
Vanuatu |
| Maloelap Atoll |
Ratak Chain |
Marshall Islands |
| Malpelo |
|
 Colombia |
| Malta |
Maltese islands |
 Malta |
| Makronisos |
|
 Greece |
| Mamula |
Adriatic Sea |
 Montenegro |
| Mana |
Porirua Harbour |
 New Zealand |
| Manda |
Lamu Archipelago |
 Kenya |
| Mandø |
North Frisian Islands |
Germany |
| Mangaia |
Cook Islands |
 Cook Islands |
Manhattan  |
 New York |
United States |
| Manihi |
King George Islands, Tuamotus, French Polynesia |
France |
| Manihiki |
Cook Islands |
Cook Islands |
| Manilaid |
|
 Estonia |
| Manitou |
Lake Superior, Michigan |
United States |
| Manitou |
Apostle Islands, Wisconsin |
United States |
| Manitoulin |
Lake Huron,  Ontario |
Canada |
| Manoel |
Maltese islands |
Malta |
| Mansel |
Nunavut |
Canada |
| Manuae |
Cook Islands |
Cook Islands |
| Manuae |
Leeward Islands, Society Islands, French Polynesia |
French Polynesia |
| Manus |
Admiralty Islands |
Papua New Guinea |
| Maple |
Mississippi River,  Missouri |
United States |
| Ilha de Marajó |
|
 Brazil |
| Marawa |
Persian Gulf |
 United Arab Emirates |
| Mare |
 California |
United States |
| Marechal |
Beira Baixa islands |
Portugal |
| Marettimo |
Aegadian Islands |
Italy |
| Isla Margarita |
 Nueva Esparta |
 Venezuela |
| Margitsziget |
Danube River |
 Hungary |
| Mark |
Lake Winnipesaukee,  New Hampshire |
United States |
| Maria Cleofas |
Islas Marías,  Nayarit |
Mexico |
| Maria Madre |
Islas Marías, Nayarit |
Mexico |
| Maria Magdalena |
Islas Marías, Nayarit |
Mexico |
Marinduque  |
Luzon |
 Philippines |
| Marinha Nova |
Beira Litoral islands |
Portugal |
| Marmara |
Marmara Islands |
 Turkey |
| Marrowstone |
Puget Sound,  Washington |
United States |
| Marsh |
 Louisiana |
United States |
| Marshall |
Maine |
United States |
| Martha's Vineyard |
 Massachusetts |
United States |
| Martin |
Louisiana |
United States |
| Ilhas Martin Vaz |
Atlantic Ocean |
Brazil |
| Martinhal |
Algarve islands |
Portugal |
| Martuska-sziget |
Danube River |
Hungary |
| Maskali |
|
 Djibouti |
| Masnedø |
|
 Denmark |
| Mason |
Mississippi River, Missouri |
United States |
| Mason's |
Mystic River,  Connecticut |
United States |
| Massey |
Queen Elizabeth Islands, Nunavut |
Canada |
| Matadouce |
Beira Litoral islands |
Portugal |
| Matagorda |
 Texas |
United States |
| Mataiva |
Palliser Islands, Tuamotus, French Polynesia |
France |
| Matakana |
Bay of Plenty |
New Zealand |
| Mataso |
Shepherd Islands |
Vanuatu |
| Matia |
San Juan Islands, Washington |
United States |
| Matinicus |
Maine |
United States |
| Matiu |
Wellington Harbour |
New Zealand |
| Matty |
Nunavut |
Canada |
| Matua |
Kuril Islands, Sakhalin Oblast |
Russia |
| Matureivavao |
Acteon Group, Tuamotus, French Polynesia |
France |
| Maupiti |
Windward Islands, Society Islands, French Polynesia |
Overseas Lands of France |
| Maud |
Marlborough Sounds |
New Zealand |
| Maui |
Hawaiian Islands,  Hawaii |
United States |
| Mauke |
Cook Islands |
Cook Islands |
| Mauritius |
Mascarene Islands |
 Mauritius |
| Maury |
Puget Sound, Washington |
United States |
| Mayne |
Gulf Islands, British Columbia |
Canada |
| Mayor |
Bay of Plenty |
New Zealand |
Mayotte  |
Comoros |
France |
| Mazaki |
|
 Cyprus |
| McCauley |
British Columbia |
Canada |
| McCormicks |
Susquehanna River,  Pennsylvania |
United States |
| McCoy |
Mississippi River,  Illinois |
United States |
| Mcevers |
Illinois River, Illinois |
United States |
| McNeil |
Puget Sound, Washington |
United States |
| McQueens |
 Georgia |
United States |
| Isle of Meadow |
New York |
United States |
| Medny |
Komandorski Islands,  Alaska |
Owned by the United States,
controlled by Russia |
| Mehetia |
Windward Islands, Society Islands, French Polynesia |
Overseas Lands of France |
| Meighen |
Queen Elizabeth Islands, Nunavut |
Canada |
| Mejit |
Ratak chain |
Marshall Islands |
| Melbourne |
Nunavut |
Canada |
| Mele |
Melanesia |
Vanuatu |
| Mellum |
East Frisian Islands |
Germany |
| Melville |
Queen Elizabeth Islands, Nunavut and Northwest Territories |
Canada |
| Melvin |
Lake Winnipesaukee, New Hampshire |
United States |
| Memmert |
East Frisian Islands |
Germany |
| Mendicant |
Barataria Bay, Louisiana |
United States |
Menorca |
Balearic Islands |
Spain |
| Merasheen |
 Newfoundland and Labrador |
Canada |
| Mercer |
Lake Washington, Washington |
United States |
| Mercury |
|
New Zealand |
| Merelava |
Banks Islands |
Vanuatu |
| Merig |
Banks Islands |
Vanuatu |
| Metinic |
Maine |
United States |
| Metoma |
Torres Islands |
Vanuatu |
| Michigan |
Lake Superior, Wisconsin |
United States |
| Michipicoten |
Lake Superior, Ontario |
Canada |
| Middle Andaman |
 , Andaman Islands |
India |
| Middle Bass |
Bass Islands,  Ohio |
United States |
| Middle Brewster |
Boston Harbor, Massachusetts |
United States |
| Middle Ground |
Mississippi River, Mississippi |
United States |
| Middle Ground Coastal Battery |
 , Maharashtra |
India |
| Middle |
Ohio River,  West Virginia |
United States |
| Middle |
Nightingale Islands,  Tristan da Cunha |
 British Overseas Territory of  Saint Helena |
| Mikurajima |
Izu Islands |
Japan |
| Mile |
Lake Winnipesaukee, New Hampshire |
United States |
| Mili Atoll |
Ratak Chain |
Marshall Islands |
| Mill |
Nunavut |
Canada |
| Mill Creek |
Ohio River, West Virginia |
United States |
| Mill Rock |
New York |
United States |
| Milos |
Cyclades |
Greece |
| Mimami daitō |
Daitō Islands part of the  Okinawa Islands part of the  Ryūkyū proper part of the Nansei Islands |
Japan |
| Minami Kojima |
Senkaku Islands |
Disputed by Japan and China |
| Mindanao |
Mindanao group |
Philippines |
| Minicoy |
Lakshadweep |
India |
| Minister |
Lake Winnipesaukee, New Hampshire |
United States |
| Mink |
Lake Winnipesaukee, New Hampshire |
United States |
| Minna |
Miyako Islands part of the Ryūkyū proper part of the Nansei Islands |
Japan |
| Minquiers and Ecréhous |
Channel Islands |
 Bailiwick of Jersey |
| Minu |
Persian Gulf |
 Iran |
| Mioko |
Duke of York Islands |
Papua New Guinea |
| Miserable |
Rice Lake, Illinois |
United States |
| Mishka |
Danube River |
 Bulgaria |
| Miskan |
Persian Gulf |
 Kuwait |
| Mitchell |
Louisiana |
United States |
| Mitchell Key |
Louisiana |
United States |
| Mitiaro |
Cook Islands |
Cook Islands |
| Mitkof |
Alexander Archipelago, Alaska |
United States |
| Mitsel Fasiladas |
|
 Ethiopia |
| Miyakejima |
Izu Islands |
Japan |
| Miyakojima |
Miyako Islands part of the Ryūkyū proper part of the Nansei Islands |
Japan |
| Mjältön |
High Coast |
 Sweden |
| Mljet |
Adriatic Sea |
 Croatia |
| Mo-do-Meio |
Beira Litoral islands |
Portugal |
| Mohácsi-sziget |
Danube River |
Hungary |
| Mohéli |
Comoros |
 Comoros |
| Mohni |
|
Estonia |
| Île-aux-Moines |
Gulf of Morbihan |
France |
| Moínho |
Alentejo islands |
Portugal |
| Mokoia |
Lake Rotorua |
New Zealand |
| Molara |
|
Italy |
| Molène |
Archipel de Molène |
France |
| Møn |
|
Denmark |
| Moneron |
Strait of Tartary, Sakhalin Oblast |
Russia |
| Monhegan |
Maine |
United States |
| Monkey |
Louisiana |
United States |
| Monocanock |
Susquehanna River, Pennsylvania |
United States |
| Monomoy |
Massachusetts |
United States |
| Mont Saint-Michel |
Normandy |
France |
| Monte Branco |
Alentejo islands |
Portugal |
| Monte Farinha |
Beira Litoral islands |
Portugal |
| Montecristo |
Tuscan Archipelago |
Italy |
Montserrat  |
Leeward Islands of the Lesser Antilles |
Overseas territory of the United Kingdom |
| Monument |
Shepherd Islands |
Vanuatu |
| Moodie |
Nunavut |
Canada |
| Moorea |
Windward Islands, Society Islands, French Polynesia |
Overseas Lands of France |
| Mopelia |
Windward Islands, Society Islands, French Polynesia |
Overseas Lands of France |
| Moresby |
British Columbia |
Canada |
| Morfil |
River Senegal |
Senegal |
| Morgan |
Louisiana |
United States |
| Morraceira |
Beira Litoral islands |
Portugal |
| Morris |
Charleston Harbor,  South Carolina |
United States |
| Mors |
Limfjorden |
Denmark |
| Mortland |
Illinois River, Illinois |
United States |
| Moruroa |
Tuamotus, French Polynesia |
France |
| Mosenthein |
Mississippi River, Illinois |
United States |
| Moser |
Mississippi River, Missouri |
United States |
| Moskenesøya |
Lofoten |
Norway |
| Moso |
Shepherd Islands |
Vanuatu |
| Mota |
Banks Islands |
Vanuatu |
| Mota Lava |
Banks Islands |
Vanuatu |
| Motiti |
Bay of Plenty |
New Zealand |
| Motu One |
Windward Islands, Society Islands, French Polynesia |
Overseas Lands of France |
| Motuihe |
Hauraki Gulf |
New Zealand |
| Motukaramarama |
Motukawao Islands, Hauraki Gulf |
New Zealand |
| Moturata |
Mouth of the Taieri River |
New Zealand |
| Moturua |
Motukawao Islands, Hauraki Gulf |
New Zealand |
| Motutapu |
Hauraki Gulf |
New Zealand |
| Motuwi |
Motukawao Islands, Hauraki Gulf |
New Zealand |
| Moucha |
|
Djibouti |
| Moul of Eswick |
Shetland Islands |
Scotland |
| Mount Ao |
Zhoushan Archipelago |
China |
| Mount Desert |
Maine |
United States |
| Mount Maji |
Zhoushan Archipelago |
China |
| Mousa |
Shetland Islands |
Scotland |
| Mouse |
Lake Erie, Ohio |
United States |
| Moutoa |
Whanganui River |
New Zealand |
| Muck |
Inner Hebrides |
Scotland |
| Muckle Green Holm |
The North Isles, Orkney Islands |
Scotland |
| Muckle Flugga |
Shetland Islands |
Scotland |
| Muckle Ossa |
Shetland Islands |
Scotland |
| Muckle Roe |
Shetland Islands |
Scotland |
| Mud |
Detroit River, Michigan |
United States |
| Mud Grass |
Louisiana |
United States |
| Mud Island Shoal |
Delaware River, Pennsylvania |
United States |
| Muharraq |
Persian Gulf |
 Bahrain |
| Muhu |
Baltic Sea |
Estonia |
| Isla Mujeres |
Caribbean Sea,  Quintana Roo |
Mexico |
| Mukawwar |
|
 Sudan |
| Mulberry |
James River, Virginia |
United States |
| Mull |
Inner Hebrides |
Scotland |
| Mumfort |
York River, Virginia |
United States |
| Munasaar |
|
| Murano |
 Venetian Lagoon |
Italy |
| Murray |
Torres Strait Islands,  Queensland |
 Australia |
| Murry |
Thousand Islands, New York |
United States |
| Murter |
Adriatic Sea |
Croatia |
| Musholm |
Islands of the Great Belt |
Denmark |
| Muskeget |
Massachusetts |
United States |
| Muskingum |
Ohio River, West Virginia |
United States |
| Mussau |
St. Matthias Islands |
Papua New Guinea |
| Mussel Rock |
California |
United States |
| Mustapha |
Ohio River, West Virginia |
United States |
| Mykines |
 Faroe Islands |
Denmark |
| Mykonos |
Cyclades |
Greece |
