10. Mediterranean Sea
- area: 2,510,000 km²
- countries: Spain, France, Monaco, Italy, Malta, Slovenia, Croatia, Bosnia and Herzegovina, Montenegro, Albania, Greece, Cyprus, Turkey, Syria, Lebanon, Israel, Egypt, Libya, Tunisia, Algeria, Morocco
- average depth: 1,500 m
- maximum depth: 5,267 m
9. Caribbean Sea
- area: 2,754,000 km²
- countries: Venezuela, Colombia, Panama, Costa Rica, Nicaragua, Honduras, Guatemala, Belize, Mexico
- average depth: ???
- maximum depth: 7,686 m
8. Weddell Sea
- area: 2,800,000 km²
- countries: ???
- average depth: 2,878 m
- maximum depth: 6,820 m
7. South China Sea
- area: 3,490,000 km²
- countries: Brunei, China, Philippines, Indonesia, Cambodia, Malaysia, Vietnam, Singapore, Taiwan, Thailand
- average depth: 1,024 m
- maximum depth: 5,560 m
6. Sargasso Sea
- area: 3,500,000 km²
- countries: United States, Bahamas
- average depth: 5,000 m
- maximum depth: 7,000 m
5. Arabian Sea
The Arabian Sea is located between the Arabian and Indian Peninsulas. It is one of the warmest seas in the world.
- area: 3,862,000 km²
- countries: India, Iran, Maldives, Oman, Pakistan, Somalia, Yemen
- average depth: ???
- maximum depth: 4,652 m
4. American Mediterranean Sea
- area: 4,200,000 km²
- countries: Belize, Antigua and Barbuda, Colombia, Costa Rica, Cuba, Dominican Republic, Guatemala, Haiti, Honduras, Jamaica, Mexico, Nicaragua, Panama, Trinidad and Tobago, United States, Venezuela
- average depth: 2,216 m
- maximum depth: 7,686 m
3. Coral Sea
The sea in the Pacific Ocean off the coast of Australia and New Guinea.
- area: 4,791,000 km²
- countries: Australia, Papua New Guinea, Solomon Islands, Vanuatu
- average depth: 2,394 m
- maximum depth: 9,140 m
2. Philippine Sea
The Philippine Sea is part of the Western Pacific Ocean. It is located between the Philippine Archipelago, Japan, Mariana Islands and Palau.
- area: 5,695,000 km²
- country: Philippines
- average depth: 4,108 m
- maximum depth: 10,497 m (Philippine Trench)
1. Australasian Mediterranean Sea
Australia’s Mediterranean Sea is located between Southeast Asia and Australia. It connects the Indian and Pacific Oceans.
- area: 9,080,000 km²
- countries: Australia, Brunei, China, Indonesia, Cambodia, Malaysia, Papua New Guinea, Philippines, Singapore, Taiwan, Thailand, East Timor and Vietnam
- average depth: ???
- maximum depth: 7,440 m