is an artificial island in Osaka Bay. It is part of Konohana-ku (æ¤è±åº), one of the 24 wards of Osaka, Japan. It is near the mouth of the Yodo River. When all the landfill is completed the total area will be .
It was the site of Expo 2025, a World Expo which operated from April 13 to October 13, 2025.
Yumeshima is located southwest of the island of Maishima, in the westernmost end of Osaka City. It is one of the three artificial island areas targeted by the âÂÂTechnoport Osakaâ plan formulated in 1988 with the aim of developing a new city center.
There are two high-standard container terminals with a depth of 15 meters in the south of Yumeshima, but most of the area is unoccupied. The southern end of Yumeshima is positioned as a logistics center. In the early 2000s, the island was proposed as the Olympic Village in Osaka's bid for the 2008 Summer Olympics.
Osaka made its official bid for the 2025 World Expo on April 24, 2017. Yumeshima was a possible location. with the theme âÂÂDesigning Future Society for Our LivesâÂÂ. On November 23, 2018, Osaka won the ballot vote. Expo 2025 was held on the island.
In April 2014, Governor Ichirà  Matsui of Osaka Prefecture announced that it would promote Yumeshima as a candidate site for an integrated resort (IR) with a casino. Yumeshima will be the location of MGM Osaka which will be the first integrated resort and commercial casino in Japan. Construction on the resort began in April of 2025.
Yumeshima Station is the terminus of the Osaka Metro Chà «à  Line. Yumeshima and Maishima are connected via the Yumemai Bridge. Yumeshima and Sakishima are connected with the Yumesaki Tunnel. No pedestrians or bicycles are allowed in the tunnel. There is public transportation with a sightseeing bus that stops at Cosmosquare Station.