1. Bass Strait - Australia & Tasmania
2. Torres Strait - Australia & New Guinea
3. Cook Strait - North Island & South Island in New Zealand
4. Dardanelles Strait - Aegean Sea & Sea of Marmara
5. Davis Strait - North Atlantic Ocean and Baffin Bay, NE Canada
6. Juan de Fuca Strait - Washington and southern Vancouver, Canada
7. Kerch Strait - Sea of Azov & Black Sea
8. Mackinac Strait - Lake Michigan & Lake Huron
9. Magellan Strait - South American mainland & island of Tierra del Fuego
10. Makassar Strait - Borneo & Sulawesi.
11. Messina Strait - Italy & Sicily
12. Sunda Strait - Java & Sumatra
13. Bonifacio Strait - Corsica Island (France) & Italian island of Sardinia (south).
14. Dover strait - England & France. Connecting English Channel & North Sea.
15. Soya Strait - Sakhalin to the North & Hokkaido to the south.
16. Tsushima Strait - Korea & Kyushu
17. Tsugaru Strait - Hokkaido & Honshu
18. Kii Strait - Honshu & Shikoku
19. Strait of Otranto - Connecting the Adriatic with the Ionian Sea. Italy & Greece.
20. Strait of Hormuz - Persian Gulf & Gulf of Oman
21. Strait of Tiran - Gulf of Aqaba to the Red Sea.
22. Tsugaru Strait - Between Hokkaido & Honshu.
23. Johor Strait - Singapore & Malay Peninsula
24. Gulf of Carpentera - Cape York Peninsula & Arnhem Land
25. Gulf of Bothnia - Arm of Baltic Sea between Finland & Sweden.
26. Gulf of Lion - Arm of Mediterranean Sea in Southern France
27. Gulf of Martaban - South of Myanmar. Salween flows into it.
28. Gulf of Sidra - North of Libya. Inlet of Mediterranean.
29. Gulf of Tonkin - South of China & East of Vietnam
30. Gulf of Mannar - India & Srilanka. Tambraparni from India & Aruvi Aru from Srilanka flows into it.
31. Spencer Gulf - East of Adeilade.
32. Gulf of Bo Hai - West of Korea.