
Here is a list of the major oceans and some of the significant seas in the world:
Major Oceans:
- Pacific Ocean
- Atlantic Ocean
- Indian Ocean
- Southern Ocean (Antarctic Ocean)
- Arctic Ocean
Significant Seas:
- Mediterranean Sea
- Caribbean Sea
- South China Sea
- Bering Sea
- Gulf of Mexico
- Red Sea
- Arabian Sea
- Bay of Bengal
- Andaman Sea
- East China Sea
- North Sea
- Baltic Sea
- Black Sea
- Caspian Sea
- Sea of Japan (East Sea)
- Sea of Okhotsk
- Java Sea
- Sargasso Sea
- Philippine Sea
- Coral Sea
- Tasman Sea
- Great Australian Bight
- Gulf of California (Sea of Cortez)
- Hudson Bay
- Gulf of Alaska
- Gulf of Aden
- Gulf of Guinea
Please note that this is not an exhaustive list, as there are many smaller seas, gulfs, and bays around the world.