Below is a table with the seas of the Indian Ocean, which includes their names, area (in thousands of square kilometers), average and greatest depth (in meters).
| number | Name of the sea | Average depth, m | Maximum depth, m | |
| 1 | Andaman | 605 | 1043 | 4507 |
| 2 | Arabian | 3862 | 1550 | 5803 |
| 3 | Arafura | 1017 | 186 | 3680 |
| 4 | red | 438 | 490 | 2211 |
| 5 | Laccadive | 786 | 1929 | 4131 |
| 6 | Timorese | 432 | 435 | 3300 |
Indian sector of the Southern Ocean
| number | Name of the sea | Average depth, m | Maximum depth, m | |
| 1 | Davis Sea | 21 | 571 | 1369 |
| 2 | Sea of Astronauts | 699 | 1900 | 4798 |
| 3 | Mawson’s Sea | 333 | 350 | 1000 |
| 4 | Sea of Rieser-Larsen | 1138,3 | 1800 | 3657 |
| 5 | Sea of the Commonwealth | 258 | 500 | 3000 |
These are the seas of the Indian Ocean, which are part of the Southern Ocean, conditionally distinguished as the fifth.
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