Scuba Diving Regions in South Korea

    From world-class walls to muck diving havens, discover the unique character of each regional cluster.

    Regional Diversity

    Diving in South Korea is seasonal due to the significant variations in water temperature. The prime season is from June to October, when the water is warmest and visibility is generally at its best. In Jeju, the water temperature can reach up to 26°C in late summer. The winter months (December to March) see water temperatures drop significantly, particularly on the mainland, requiring specialized exposure protection (drysuits are common). However, winter can offer the clearest visibility in the East Sea. Always check regional weather patterns, as the late summer can occasionally bring typhoons.

    10
    Regions
    45
    Total Sites
    5
    Day Limit

    Planning Tips

    Many regions are seasonally dependent. For South Korea, the best diving conditions are usually spread across different months depending on the archipelago or coast.

    Updated: June 2026

    East Coast – Gangwon-do (Sokcho, Yangyang, Samcheok)

    coastal
    5 dive sites

    Gangwon-do's rugged east coast along the Sea of Japan (East Sea) offers South Korea's most distinctive cold-water diving experience, where lush kelp forests, ab...

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    East Coast – Gyeongsangbuk-do (Pohang, Uljin)

    coastal
    4 dive sites

    Gyeongsangbuk-do's east coast stretching from Pohang to Uljin and Yeongdeok offers dramatic deep-water diving where underwater pinnacles rise from 30-metre dept...

    Jeju Island – Moseulpo & West Coast

    island
    5 dive sites

    Moseulpo and Jeju's western coastline offer a distinctly different diving experience from the island's southern shores, featuring dramatic vertical walls of bla...

    Jeju Island – North Coast & Udo Island

    island
    4 dive sites

    Jeju's northern coastline and the enchanting satellite island of Udo provide a diverse collection of dive sites ranging from pristine coral bays to volcanic lav...

    Jeju Island – Seogwipo (South Coast)

    island
    6 dive sites

    Seogwipo, on Jeju Island's dramatic southern coastline, is South Korea's premier dive destination offering an extraordinary variety of underwater environments s...

    South Coast – Busan (Taejongdae, Haeundae)

    coastal
    4 dive sites

    Busan, South Korea's second-largest city and busiest port, offers surprisingly excellent diving along its dramatic granite coastline where stunning rock formati...

    South Coast – Geoje Island & Tongyeong

    island
    5 dive sites

    Geoje Island and the historic port city of Tongyeong represent South Korea's most productive soft-coral diving region, where colourful underwater gardens, prist...

    South Coast – Yeosu & Wando

    coastal
    4 dive sites

    Yeosu, Wando, and the surrounding archipelago of South Korea's southwestern coast offer adventurous divers a collection of pristine outer-island walls, sheltere...

    Ulleungdo & Dokdo (East Sea)

    island
    4 dive sites

    Ulleungdo and Dokdo represent South Korea's most remote and exclusive diving frontier, a pair of volcanic islands in the East Sea (Sea of Japan) where steep und...

    West Coast – Taean & Boryeong

    coastal
    4 dive sites

    South Korea's west coast along the Yellow Sea presents a unique diving environment defined by extreme tidal ranges, low visibility from suspended sediment, and...

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