ATLAS · SEAPORTS · SOUTH KOREA
Seaports in South Korea
South Korea has 14 portsin the World Port Index — 2 large deep-water ports, 5 medium and 7 smaller harbours. They sit on Sea of Japan; North Pacific Ocean, Korea Strait; North Pacific Ocean, Yellow Sea; North Pacific Ocean. Below: how they split by size, and the biggest harbours. From the NGA World Port Index, snapshot 2026-06-22.
PORTS14
LARGE · MEDIUM2 · 5
ONSea of Japan; North Pacific Ocean
By harbour size
Large2 · 14%
Medium5 · 36%
Small3 · 21%
Very small4 · 29%
Biggest ports in South Korea
The largest harbours in the snapshot, with their water body and harbour type.
largeInchonYellow Sea; North Pacific Ocean · River (Basins) · KR INCmax 180 m
largeBusanKorea Strait; North Pacific Ocean · Coastal (Breakwater) · KR PUSmax 140 m
mediumMokpoYellow Sea; North Pacific Ocean · River (Natural) · KR MOKmax 366 m
mediumPyeongtaek HangYellow Sea; North Pacific Ocean · River (Natural) · KR PTKmax 345 m
mediumMasanKorea Strait; North Pacific Ocean · Coastal (Natural) · KR MASmax 250 m
mediumUlsanKorea Strait; North Pacific Ocean · River (Natural) · KR USNmax 210 m
mediumGwangyang HangKorea Strait; North Pacific Ocean · Coastal (Natural) · KR KAN
smallChinaeKorea Strait; North Pacific Ocean · Coastal (Natural) · KR CHFmax 210 m
smallPohangSea of Japan; North Pacific Ocean · Open Roadstead · KR KPOmax 71 m
smallKunsanYellow Sea; North Pacific Ocean · River (Natural) · KR KUV
very smallTonghaeSea of Japan; North Pacific Ocean · Coastal (Breakwater) · KR TGAmax 229 m
very smallMukhoSea of Japan; North Pacific Ocean · Coastal (Breakwater) · KR MUKmax 133 m
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