# Ryotu Ko (JP RYO)

**UN/LOCODE:** JP RYO  
**Country:** Japan  
**Water Body:** Sea of Japan; North Pacific Ocean  
**Harbor Size:** Very Small  
**Harbor Type:** Coastal (Natural)  
**GPS:** 38.0833, 138.5667

Long established as the year-round gateway to Sado Island, Ryotu Ko (Ryotsu) on the Sea of Japan owes its traffic to the ferry link from Niigata rather than to cargo trades. Operator Sado Kisen runs both a roughly 67-minute jetfoil and a slower car ferry, carrying passengers, vehicles, motorcycles and the island's supplies. Freight therefore moves mainly as rolling ferry cargo; there is no dedicated container terminal or international liner call. The terminal is built around ticketing, shops and island bus connections, underlining its passenger focus. For shippers, its relevance is local and supply-driven rather than commercial in scale. Containerised or customs-cleared sea freight is handled instead at Niigata on the mainland.

## Transit Times & Routes

- [Tokyo → Singapore](https://www.freight-academy.com/en/transit-time/tokyo-singapore)
- [Tokyo → Bangkok](https://www.freight-academy.com/en/transit-time/tokyo-bangkok)
- [Tokyo → Ho Chi Minh City](https://www.freight-academy.com/en/transit-time/tokyo-ho-chi-minh-city)
- [Tokyo → Jakarta](https://www.freight-academy.com/en/transit-time/tokyo-jakarta)
- [Tokyo → Kuala Lumpur](https://www.freight-academy.com/en/transit-time/tokyo-kuala-lumpur)
- [Tokyo → Manila](https://www.freight-academy.com/en/transit-time/tokyo-manila)

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*Freight Academy — Seaport Profile: [https://www.freight-academy.com/en/information/seaports/ryotu-ko-port-jp-ryo](https://www.freight-academy.com/en/information/seaports/ryotu-ko-port-jp-ryo)*

*Markdown mirror: [https://www.freight-academy.com/api/md/seaports/en/ryotu-ko-port-jp-ryo](https://www.freight-academy.com/api/md/seaports/en/ryotu-ko-port-jp-ryo)*

*LLM-Summary (JSON): https://www.freight-academy.com/api/v1/seaports/ryotu-ko-port-jp-ryo/llm-summary?lang=en*