1). Gulf of California (Pacific Ocean) - Extension of the Pacific Ocean Gulf of California is the smallest sea in the world that occupies 68,000 square miles (177,000 square kilometers).
2). Persian Gulf (Indian Ocean) - Persian Gulf is an extension of the Indian Ocean located between Iran and the Arabian Peninsula and is the that covers second smallest sea in the world97,000 Square Miles (251,000 Square Kilometers).
3). Yellow Sea (Pacific Ocean) - Yellow Sea is third smallest sea in the world has an area of 113,500 Square Miles (293,960 Square Kilometers) and is extension of the Pacific Ocean.
4). Baltic Sea (Atlantic Ocean) - Baltic Sea which is extension of Atlantic Ocean is the forth smallest sea that occupies 146,000 Square Miles (377,000 Square Kilometers).
5). North Sea (Atlantic Sea) - This fifth smallest sea is extension of Atlantic sea that covers 164,900 Square Miles (427,090 Square Kilometers).
6). Red Sea (Indian Ocean) - The Red Sea is a seawater inlet of the Indian Ocean and the same is lying between Africa and Asia. This is sixth smallest sea that occupies 169,100 Square Miles (438,000 Square Kilometers).
7). Black Sea (Atlantic Ocean) - The Black Sea is ultimately connected to the Atlantic Ocean and known as seventh smallest sea in the world that covers 174,900 Square Miles (452,990 Square Kilometers).
8). Andaman Sea (Indian Ocean) - Also known as Burma Sea is eighth smallest sea that occupies 218,100 Square Miles (564,880 Square Kilometers) and is extension of Indian Ocean.
9). East China Sea (Pacific Ocean) - East Sea is extension of Pacific Ocean that covers 256,600 Square Miles (664,590 Square Kilometers).
10). Hudson Bay (Atlantic Ocean) - This tenth smallest sea is extension of Atlantic Ocean that covers 281,900 Miles (730,120 Kilometers).
2). Persian Gulf (Indian Ocean) - Persian Gulf is an extension of the Indian Ocean located between Iran and the Arabian Peninsula and is the that covers second smallest sea in the world97,000 Square Miles (251,000 Square Kilometers).
3). Yellow Sea (Pacific Ocean) - Yellow Sea is third smallest sea in the world has an area of 113,500 Square Miles (293,960 Square Kilometers) and is extension of the Pacific Ocean.
4). Baltic Sea (Atlantic Ocean) - Baltic Sea which is extension of Atlantic Ocean is the forth smallest sea that occupies 146,000 Square Miles (377,000 Square Kilometers).
5). North Sea (Atlantic Sea) - This fifth smallest sea is extension of Atlantic sea that covers 164,900 Square Miles (427,090 Square Kilometers).
6). Red Sea (Indian Ocean) - The Red Sea is a seawater inlet of the Indian Ocean and the same is lying between Africa and Asia. This is sixth smallest sea that occupies 169,100 Square Miles (438,000 Square Kilometers).
7). Black Sea (Atlantic Ocean) - The Black Sea is ultimately connected to the Atlantic Ocean and known as seventh smallest sea in the world that covers 174,900 Square Miles (452,990 Square Kilometers).
8). Andaman Sea (Indian Ocean) - Also known as Burma Sea is eighth smallest sea that occupies 218,100 Square Miles (564,880 Square Kilometers) and is extension of Indian Ocean.
9). East China Sea (Pacific Ocean) - East Sea is extension of Pacific Ocean that covers 256,600 Square Miles (664,590 Square Kilometers).
10). Hudson Bay (Atlantic Ocean) - This tenth smallest sea is extension of Atlantic Ocean that covers 281,900 Miles (730,120 Kilometers).
