| Rank | Country | Maritime claims |
| Belize | territorial sea: 12 nm in the north, 3 nm in the south; note - from the mouth of the Sarstoon River to Ranguana Cay, Belize's territorial sea is 3 nm; according to Belize's Maritime Areas Act, 1992, the purpose of this limitation is to provide a framework for negotiating a definitive agreement on territorial differences with Guatemala exclusive economic zone: 200 nm |
| Benin | territorial sea: 200 nm |
| Bermuda | territorial sea: 12 nm exclusive fishing zone: 200 nm |
| Bhutan | none (landlocked) |
| Bolivia | none (landlocked) |
| Bosnia and Herzegovina | No data available |
| Botswana | none (landlocked) |
| Bouvet Island | territorial sea: 4 nm |
| Brazil | territorial sea: 12 nm contiguous zone: 24 nm exclusive economic zone: 200 nm continental shelf: 200 nm or to edge of the continental margin |
| British Indian Ocean Territory | territorial sea: 3 nm exclusive fishing zone: 200 nm |
| British Virgin Islands | territorial sea: 3 nm exclusive fishing zone: 200 nm |
| Brunei | territorial sea: 12 nm exclusive economic zone: 200 nm or to median line |
| Bulgaria | territorial sea: 12 nm contiguous zone: 24 nm exclusive economic zone: 200 nm |
| Burkina Faso | none (landlocked) |
| Burma | 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 |
| Burundi | none (landlocked) |
| Cambodia | territorial sea: 12 nm contiguous zone: 24 nm exclusive economic zone: 200 nm continental shelf: 200 nm |
| Cameroon | territorial sea: 12 nm contiguous zone: 24 nm |
| Canada | 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 |
| Cape Verde | measured from claimed archipelagic baselines territorial sea: 12 nm contiguous zone: 24 nm exclusive economic zone: 200 nm |
| Cayman Islands | territorial sea: 12 nm exclusive fishing zone: 200 nm |
| Central African Republic | none (landlocked) |
| Chad | none (landlocked) |
| Chile | territorial sea: 12 nm contiguous zone: 24 nm exclusive economic zone: 200 nm continental shelf: 200/350 nm |