Maldives
measured from claimed archipelagic straight baselines
territorial sea: 12 nm
contiguous zone: 24 nm
exclusive economic zone: 200 nm

Mali
none (landlocked)

Malta
territorial sea: 12 nm
contiguous zone: 24 nm
continental shelf: 200 m depth or to the depth of exploitation
exclusive fishing zone: 25 nm

Marshall Islands
territorial sea: 12 nm
contiguous zone: 24 nm
exclusive economic zone: 200 nm

Mauritania
territorial sea: 12 nm
contiguous zone: 24 nm
exclusive economic zone: 200 nm
continental shelf: 200 nm or to the edge of the continental margin

Mauritius
measured from claimed archipelagic straight baselines
territorial sea: 12 nm
exclusive economic zone: 200 nm
continental shelf: 200 nm or to the edge of the continental margin

Mayotte
territorial sea: 12 nm
exclusive economic zone: 200 nm

Mexico
territorial sea: 12 nm
contiguous zone: 24 nm
exclusive economic zone: 200 nm
continental shelf: 200 nm or to the edge of the continental margin

Micronesia, Federated States of territorial sea: 12 nm exclusive economic zone: 200 nm

Moldova
none (landlocked)