Onsan, South Korea

Port Overview

Onsan is a major industrial port located on the southeast coast of South Korea near Ulsan. It ranks among the country’s largest ports, with a total berth length of approximately 3,500 meters and a container handling capacity of about 2.5 million TEU annually. Strategically important for its specialized terminals, Onsan serves as a key hub for petrochemical, bulk, and container cargo, supporting South Korea’s heavy industry and export sectors. Its advanced infrastructure and proximity to major industrial complexes enhance its role in regional and international trade.

Facilities & Infrastructure

Onsan Port in South Korea features nine specialized terminals and 23 berths, handling bulk, container, petrochemical, and industrial cargo. Key facilities include advanced container and bulk terminals, dedicated petrochemical handling areas, and integrated logistics complexes. The port is equipped with fixed, mobile, and floating cranes with lift capacities exceeding 100 tons. Onsan also utilizes advanced material transfer systems and offers comprehensive warehousing, but there is no mention of AGVs in current operations.

Container Terminals

Onsan Port in South Korea features multiple specialized terminals including dedicated container handling facilities. The port has 9 terminals with 23 berths total, capable of handling approximately 2.5 million TEU annually. The container terminal is equipped with modern handling equipment and advanced automated facilities for efficient cargo operations. The port serves as part of the larger Ulsan Port complex, providing comprehensive logistics support for South Korea's industrial region with integrated warehouse and storage solutions.

Port Services

Main services at Onsan, South Korea:

• Container handling with modern terminal facilities and equipment
• Bulk and general cargo operations, including petrochemicals and industrial products
• Ship services such as bunkering, ship repair, maintenance, and supply provisioning
• Comprehensive warehousing and storage solutions for various cargo types
• Advanced customs clearance and security screening for efficient import/export operations

Global Connectivity

Onsan Port serves as a critical maritime hub in South Korea's southeastern coast, connecting the Ulsan Metropolitan Area to major transpacific and Asian trade routes. The port links directly to Northeast Asian maritime networks and the East China Sea, facilitating trade with major regional markets. It benefits from integrated rail and road connectivity through National Route 31, providing efficient access to South Korea's industrial manufacturing centers. The port primarily handles petrochemical products, automotive exports, and containerized cargo, supporting the robust industrial economy of the Ulsan region with comprehensive intermodal transportation networks.

Port Statistics

Onsan Port, South Korea: Key Statistics

• TEU Throughput: Onsan is not a major container port; available data does not specify TEU throughput, as the port primarily handles tankers (68.4%) and general cargo (29.7%), with minimal container traffic.
• World Ranking: Onsan does not rank among the world’s top container ports.
• Number of Berths: The port has 23 berths across 9 terminals.
• Area: Specific port area is not publicly detailed, but the port is classified as “XLarge” in size.
• Shipping Lines: No major global container shipping lines are prominently associated with Onsan; vessel traffic is dominated by tankers and bulk carriers, with some container ship calls (e.g., SUNNY FREESIA, PACIFIC BUSAN).
• Vessel Traffic: High activity, with 15 vessels in port and 76 recently departed as of October 2025.

Onsan serves as a specialized industrial port, mainly for liquid and dry bulk, rather than as a container hub.