| Sea | # | Basin Country | % Correct |
|---|---|---|---|
| Caribbean Sea | T | Trinidad and Tobago | 100%
|
| Gulf of Mexico | C | Cuba | 97%
|
| Sea of Okhotsk | J | Japan | 97%
|
| Tasman Sea | N | New Zealand | 97%
|
| Bering Sea | R | Russia | 94%
|
| Bay of Bengal | S | Sri Lanka | 94%
|
| Baffin Bay | C | Canada | 91%
|
| Labrador Sea | D | Denmark | 91%
|
| North Sea | B | Belgium | 88%
|
| South China Sea | B | Brunei | 88%
|
| Philippine Sea | T | Taiwan | 88%
|
| Baltic Sea | P | Poland | 84%
|
| Caspian Sea | I | Iran | 81%
|
| Gulf of Guinea | A | Angola | 78%
|
| Black Sea | B | Bulgaria | 78%
|
| Red Sea | D | Djibouti | 78%
|
| Arabian Sea | M | Maldives | 78%
|
| Barents Sea | N | Norway | 78%
|
| Adriatic Sea | M | Montenegro | 75%
|
| Coral Sea | S | Solomon Islands | 75%
|
| Andaman Sea | M | Myanmar | 66%
|
| Gulf of Aden | S | Somalia | 63%
|