Maldives
lowest point: Indian Ocean 0 m
highest point: unnamed location on Wilingili island in the Addu
Atoll 2.4 m
Mali
lowest point: Senegal River 23 m
highest point: Hombori Tondo 1,155 m
Malta
lowest point: Mediterranean Sea 0 m
highest point: Ta'Dmejrek 253 m (near Dingli)
Man, Isle of
lowest point: Irish Sea 0 m
highest point: Snaefell 621 m
Marshall Islands
lowest point: Pacific Ocean 0 m
highest point: unnamed location on Likiep 10 m
Martinique
lowest point: Caribbean Sea 0 m
highest point: Montagne Pelee 1,397 m
Mauritania
lowest point: Sebkhet Te-n-Dghamcha -5 m
highest point: Kediet Ijill 915 m
Mauritius
lowest point: Indian Ocean 0 m
highest point: Mont Piton 828 m
Mayotte
lowest point: Indian Ocean 0 m
highest point: Benara 660 m
Mexico
lowest point: Laguna Salada -10 m
highest point: Volcan Pico de Orizaba 5,700 m