The South Korea Deep Sea Mining Market was valued at USD 29.5 Million in 2024 and is projected to reach USD 46.8 Million by 2030, growing at a Compound Annual Growth Rate (CAGR) of 8.0% during the forecast period (2024–2030). This expansion is fueled by increasing demand for rare earth minerals, decreasing terrestrial mineral deposits, and substantial government backing for underwater mining innovations.
South Korea is establishing itself as a formidable force in deep-sea mining through cutting-edge technology and strategic investments. This analysis highlights the Top 10 Companies in South Korea’s Deep Sea Mining Sector—comprising research institutes, industrial conglomerates, and specialized firms driving advancements in marine resource exploitation.
🔟 1. Korea Institute of Ocean Science & Technology (KIOST)
Headquarters: Busan, South Korea
Core Operations: Deep-sea exploration technologies and mining system development
As South Korea’s premier oceanic research institution, KIOST leads in developing innovative technologies for deep-sea mineral exploration and extraction. The organization manages the 6,000-ton Onnuri research vessel and has executed multiple international expeditions for polymetallic nodule exploration.
Technological Advancements:
- Creation of robotic mining prototypes rated for 6,000m depths
- Strategic collaborations with the International Seabed Authority
- Development of ecosystem impact evaluation methodologies
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9️⃣ 2. Hyundai Heavy Industries
Headquarters: Ulsan, South Korea
Core Operations: Specialized mining vessels and subsea robotics
Leveraging extensive shipbuilding expertise, Hyundai Heavy Industries develops purpose-built deep-sea mining ships and support vessels. The company is incorporating artificial intelligence and automation into its underwater mining systems to enhance operational efficiency.
Key Developments:
- 300-meter depth-capable mining robots in development
- Integrated onboard mineral processing systems
8️⃣ 3. Daewoo Shipbuilding & Marine Engineering (DSME)
Headquarters: Seoul, South Korea
Core Operations: Mining support vessels and pressure-resistant equipment
DSME engineers specialized ships tailored for deep-sea mining operations, incorporating advanced dynamic positioning capabilities and onboard processing facilities. The firm holds multiple patents for deep-water engineering solutions.
Technological Innovations:
- Joint development with KIOST for system integration
- Hybrid propulsion systems for mining support vessels
7️⃣ 4. Samsung Engineering
Headquarters: Seoul, South Korea
Core Operations: Offshore mineral processing facilities and EPC services
Samsung Engineering provides end-to-end engineering solutions for deep-sea mining ventures, specializing in modular seafloor mining systems and offshore refining infrastructure.
Engineering Solutions:
- Compact processing units for vessel installation
- Environmentally responsible discharge technologies
6️⃣ 5. Korea Resources Corporation (KORES)
Headquarters: Wonju, South Korea
Core Operations: Resource exploration and development investments
As South Korea’s national resource development entity, KORES spearheads international deep-sea mining initiatives, holding exploration rights in the Clarion-Clipperton Zone and collaborating with global mining enterprises.
Strategic Initiatives:
- 75,000 km² exploration area secured in Pacific waters
- Technology-sharing partnerships for nodule extraction
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5️⃣ 6. POSCO International
Headquarters: Incheon, South Korea
Core Operations: Mineral trading and resource development
POSCO International is expanding its terrestrial mining expertise into deep-sea resource projects, capitalizing on its international commodity expertise and processing capabilities.
Business Expansion:
- Seafloor massive sulphide deposit exploration
- Development of deep-sea mineral supply chains
4️⃣ 7. SK Innovation
Headquarters: Seoul, South Korea
Core Operations: Battery material procurement and processing
SK Innovation actively invests in deep-sea mining to secure essential minerals for battery production, with particular focus on cobalt-rich formations and polymetallic nodules.
Sustainable Initiatives:
- Development of environmentally conscious extraction methods
- Collaborations with emerging mining technology firms
3️⃣ 8. Deep Sea Mining Co., Ltd.
Headquarters: Seoul, South Korea
Core Operations: Specialized mining equipment and consultancy
This dedicated deep-sea mining company designs and manufactures remotely operated vehicles and collection systems for diverse seabed mineral types.
Technological Assets:
- Proprietary nodule harvesting technology
- Modular mining systems adaptable to various depths
2️⃣ 9. Korea Ocean Research & Development Institute
Headquarters: Ansan, South Korea
Core Operations: Environmental studies and resource mapping
Providing critical research support for deep-sea mining projects, KORDI specializes in resource evaluations and ecological impact assessments.
Research Capabilities:
- Deep-sea ecosystem monitoring technologies
- Advanced 3D seafloor mapping systems
1️⃣ 10. Hanwha Corporation
Headquarters: Seoul, South Korea
Core Operations: Subsea power systems and engineering solutions
Hanwha applies its defense and aerospace technological expertise to develop resilient power systems and components for deep-sea mining operations.
Technical Innovations:
- High-pressure durable electrical systems
- Advanced underwater communication networks
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🌍 Strategic Outlook: South Korea’s Expanding Deep Sea Mining Capabilities
South Korea’s deep-sea mining industry is undergoing rapid advancement, propelled by technological innovation and national resource security priorities. The nation is positioning itself as a leader in sustainable oceanic resource extraction.
📈 Critical Market Developments:
- Government R&D investment surpassing $120 million annually
- Concentration on battery minerals and rare earth elements
- Establishment of comprehensive mine-to-production value chains
- Strengthening international exploration partnerships
Get Full Report Here: South Korea Deep Sea Mining Market – View in Detailed Research Report
The featured enterprises are not merely enhancing South Korea’s deep-sea mining proficiency—they’re securing the nation’s strategic position in responsible ocean resource development.
