Ssangjeongcho
Ssangjeongcho
A submerged reef (underwater rock) rising in the open sea, reputed among divers as 'the best dive site in Ulleungdo'. It is famous for its consistent 30–40 m visibility, schools of thousands of rockfish and large Asian sheepshead wrasse. Recommended for divemaster level and above.
A submerged reef
rising in the open sea
A submerged reef (underwater rock/pinnacle) about 1.9 km offshore, northeast of Gwaneumdo Island off Ulleungdo. The main peak rises to about 3 m depth, topped by the Ssangjeongcho beacon, while below 40 m a sheer wall-type seascape unfolds. It is famous for schools of thousands of rockfish and large Asian sheepshead wrasse.
Ssangjeongcho by field data
※ Max depth 45 m, average, water temperature, tides and best season come from a single aggregator (Sujunggonggan) only (data pending). Visibility 30–40 m is reputation-based, but the specific figures come from an aggregator source.
Thousands of rockfish and large wrasse
Schools of thousands of rockfish, large Asian sheepshead wrasse and amberjack fill the wall-type seascape. (seasonality pending)
From Seoul to the entry point
Ferry approx. 3–3.5 hours.
High-speed dive boat.
Submerged reef ~1.9 km northeast of Gwaneumdo.
Harvesting marine products is prohibited in these fishing-village cooperative waters. Diving with a local guide is recommended.
Information on the nearest chamber is not yet available. In an emergency, contact the 119/DAN hotline first.
- Strong currents
- Offshore submerged reef (deep water · navigation)
- Divemaster level or above recommended
- Max depth 45 m, average, water temperature, tides and best season come from a single aggregator (Sujunggonggan) only — cross-verification needed (data pending).
- Visibility 30–40 m is reputation-based, but the specific figures come from an aggregator source — reconfirm with a local guide.
Ulleungdo's finest
submerged reef, Ssangjeongcho
Plan your dive at Ssangjeongcho.
Related
Water temp & visibility
| 1~2월 | ~10 (독도 이른봄)°C | aggregated |
| 3~4월 | ~10~13°C | pending |
| 5~6월 | ~21°C | confirmed |
| 7~8월 | ~22~24°C | pending |
| 9~10월 | ~24 (독도 늦여름)°C | aggregated |
| 11~12월 | ~14~17°C | pending |