Marion Island South Africa
Marmara, Sea of Atlantic Ocean
Marquesas Islands (Iles Marquises) French Polynesia
Marseille [US Consulate General] France
Martin Vaz, Ilhas Brazil
Mas a Tierra (Robinson Crusoe Chile
Island)
Mascarene Islands Mauritius; Reunion
Maseru [US Embassy] Lesotho
Matamoros [US Consulate] Mexico
Mata-Utu Wallis and Futuna