YOKOHAMA, Japan – A platform situated near Osanbashi Pier in Yokohama is currently serving as a testing ground for a floating data center, as Japan seeks to address increasing demand for artificial intelligence processing power whereas simultaneously pursuing decarbonization goals. The initiative, reported by the Yomiuri Shimbun on February 11, 2026, represents one of two novel approaches being undertaken in Yokohama to reconcile these competing priorities.
The floating data center project leverages the logistical advantages offered by offshore facilities, potentially reducing land utilize and facilitating cooling through seawater. Osanbashi Pier, originally constructed in 1894 and substantially reconstructed in 2002, functions as a key international passenger terminal and a prominent feature of Yokohama’s waterfront. The pier, located between Minato Mirai and Yamashita Park, is designed to accommodate large cruise ships, including vessels exceeding 30,000 tonnes, according to the Yokohama Port and Harbor Bureau.
The second initiative involves a separate waterfront data center plan, details of which were not immediately available. Both projects are occurring as Japan grapples with a surge in demand for AI processing, driven by advancements in fields like machine learning and natural language processing. The demand for substantial computing infrastructure is prompting exploration of innovative solutions to minimize environmental impact.
The Osanbashi Pier location offers convenient access to existing infrastructure and transportation networks. The pier is a five-minute walk from Nihon-Odori Station on the Minato Mirai Line, and a 15-minute walk from Kannai Station on the JR Negishi Line. The Akaikutsu Loop Bus also provides direct service to the pier. The surrounding area, including Yamashita Park and Yokohama Chinatown, are within walking distance, offering potential benefits for tourism and economic activity.
The current Osanbashi Yokohama International Passenger Terminal, opened in 2002, features a parking lot, customs and immigration facilities, restaurants, shops, and an event hall. The terminal’s rooftop square and observation deck provide views of the Minato Mirai skyline. The pier’s design incorporates features intended to mimic rolling waves, reflecting its maritime setting.
As of February 11, 2026, neither the city of Yokohama nor the companies involved in the floating data center project have released detailed specifications regarding energy sources, cooling systems, or projected processing capacity. Further information is expected to be disclosed as the testing phase progresses.