Tonga
territorial sea: 12 nm
exclusive economic zone: 200 nm
continental shelf: 200-m depth or to the depth of exploitation
Trinidad and Tobago measured from claimed archipelagic baselines territorial sea: 12 nm contiguous zone: 24 nm exclusive economic zone: 200 nm continental shelf: 200 nm or to the outer edge of the continental margin
Tromelin Island territorial sea: 12 nm exclusive economic zone: 200 nm continental shelf: 200-m depth or to the depth of exploitation
Tunisia
territorial sea: 12 nm
contiguous zone: 24 nm
Turkey
territorial sea: 6 nm in the Aegean Sea; 12 nm in Black Sea
and in Mediterranean Sea
exclusive economic zone: in Black Sea only: to the maritime boundary
agreed upon with the former USSR
Turks and Caicos Islands
territorial sea: 12 nm
exclusive fishing zone: 200 nm
Tuvalu
territorial sea: 12 nm
contiguous zone: 24 nm
exclusive economic zone: 200 nm
Uganda
none (landlocked)
Ukraine
territorial sea: 12 nm
exclusive economic zone: 200 nm
continental shelf: 200-m or to the depth of exploitation
United Arab Emirates
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