| sea | name | image | Area (m²) | Depth (m) | continent | waterbody | latitude (°) | Length (m) | longitude (°) | volume (m³) | Width (m) | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Seto Inland Sea | Mar de Harima |  | 2,500,000,000 | Asia | Seto inland sea | 34.5166664124 | 134.4833374023 | Map | ||||
| East China Sea | Mer d27Amakusa | 32.3400000000 | 129.3860000000 | Map | ||||||||
| Philippine Sea | Kumano Sea | 33.7833000000 | 140,000 | 136.3330000000 | Map | |||||||
| Philippine Sea | Mer d27Enshū | 34.6327000000 | 137.6110000000 | Map | ||||||||
| Philippine Sea | Sea of Hyūga |  | 32.0000000000 | 131.5833333300 | Map |