Dive to Korea
KOEN
Dive site
South Sea · Samsan-myeon, Yeosu

Geomundo

Geomundo

An inhabited island marking a territorial-sea base point at the southernmost tip of Dadohaehaesang National Park. It spans the three islands of Godo, Seodo, and Dongdo along with the Sambudo and Baekdo archipelagos. Seodo's Kobawi vertical wall is the dive site, introduced as a habitat for soft coral and seahorses.

Intermediate levelDepth TBDBoat divingBest season TBD
01Overview

Dadohae's southernmost
base-point island

An inhabited base-point island at the southernmost tip of Dadohaehaesang National Park, in Samsan-myeon, Yeosu. It spans Godo, Seodo, and Dongdo along with the Sambudo and Baekdo archipelagos. Occupied by a British fleet in 1885 and known as 'Port Hamilton', the vertical wall to the right of Seodo's Kobawi is the dive site, introduced as a habitat for soft coral and seahorses.

Kobawi wallSoft coralReef
Kobawi wall
02Terrain · depth · conditions

Geomundo in on-site data

Depth
Dive depth unconfirmed
Visibility
Only the qualitative phrase 'emerald-colored'
Water temp
data pending
Current
Possibly open-sea · grade unconfirmed
Best
data pending

※ The dive site's depth, visibility, water temperature, current, and best season are all unconfirmed (data pending). Official sources give only the abalone habitat depth (5–50 m reef), with no dive depth.

03Marine life

Island of soft coral and seahorses

Introduced as a habitat for soft coral and seahorses on the Kobawi wall, where abalone and rays are also observed. (Seasonality pending)

Soft coralSoft CoralSeahorseSeahorse
04Getting there

From Seoul to the entry point

Travel
Seoul → Yeosu

To Yeosu by KTX/bus.

~2 hr
Yeosu Port → Geomundo

About 2 hours by ferry (may be cancelled).

Entry
Geomun Port → dive boat

Kobawi vertical-wall site.

Nearest airport · Yeosu Airport (RSU)
05Access
Access permit required · national park · recreational fishing zone
Dadohaehaesang National Park area

In 2023 the city of Yeosu designated part of the village fishing rights of the Deokchon fishing-village cooperative in Samsan-myeon as a recreational fishing and scuba-diving zone. Before entering the water, confirm the designated zone and the fishing-village cooperative. Some rocky shores are pilot areas for the ecological-rest (seasonal closure) program.

06Safety
Nearest chamber
To be confirmed (data pending)

Information on the nearest chamber has not been secured. In an emergency, prioritize the 119 / DAN hotline.

Hazards
  • Open-sea current
  • Vessel traffic
  • Remoteness (emergency evacuation time)
RegionSouth SeaNearby dive shopsSouth Sea · Yeosu shops
Limitations · needs confirmation
  • Dive site depth, visibility, water temperature, current, and best season are all unconfirmed (data pending). The nearest chamber is also pending.
  • The intermediate difficulty is an estimate based on open-sea island boat diving — confirm the designated zone and fishing-village cooperative before entering the water.
Always free

Dadohae's southernmost
island, Geomundo

Plan your dive at Geomundo.

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