is an

artificial island An artificial island or man-made island is an island that has been Construction, constructed by humans rather than formed through natural processes. Other definitions may suggest that artificial islands are lands with the characteristics of hum ...

in Osaka Bay. It is part of Konohana-ku (此花区), one of the 24 wards of

Osaka is a Cities designated by government ordinance of Japan, designated city in the Kansai region of Honshu in Japan. It is the capital of and most populous city in Osaka Prefecture, and the List of cities in Japan, third-most populous city in J ...

Japan Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asia, Asian mainland, it is bordered on the west by the Sea of Japan and extends from the Sea of Okhotsk in the north to the East China Sea ...

. It is near the mouth of the Yodo River. When all the landfill is completed the total area will be . It is the site of Expo 2025, a

World's Fair A world's fair, also known as a universal exhibition, is a large global exhibition designed to showcase the achievements of nations. These exhibitions vary in character and are held in different parts of the world at a specific site for a perio ...

which as of May 2025 is currently being held.

Overview

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 “Technoport Osaka” plan formulated in 1988 with the aim of developing a new city center. There are two high-standard

container terminals A container port, container terminal, or intermodal terminal is a facility where Intermodal container, cargo containers are transshipment, transshipped between Intermodal freight transport, different transport vehicles, for onward transportati ...

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.

Expo 2025

Osaka made its official bid for the 2025 World Expo on April 24, 2017. Yumeshima was a possible location. with the theme “Designing Future Society for Our Lives”. On November 23, 2018, Osaka won the ballot vote. Expo 2025 is currently being held on the island. The World Expo will take place for six months until October 2025.

MGM Osaka

In April 2014, Governor Ichirō Matsui of

Osaka Prefecture is a prefecture of Japan located in the Kansai region of Honshu. Osaka Prefecture has a population of 8,778,035 () and has a geographic area of . Osaka Prefecture borders Hyōgo Prefecture to the northwest, Kyoto Prefecture to the north, Nara ...

announced that it would promote Yumeshima as a candidate site for an

integrated resort A casino hotel is an establishment consisting of a casino with temporary lodging provided in an on-premises hotel. Customers receive the benefits of both gambling facilities and lodging. Since the casino and hotel are located on the same premis ...

(IR) with a

casino A casino is a facility for gambling. Casinos are often built near or combined with hotels, resorts, restaurants, retail shops, cruise ships, and other tourist attractions. Some casinos also host live entertainment, such as stand-up comedy, conce ...

. Yumeshima will be the location of MGM Osaka which will be the first

and commercial

in Japan. Construction on the resort began in April of 2025. MGM Osaka Breaks Ground on $8.9 Billion Resort, Japan’s First Casino
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History

*Acquisition of landfill license in 1977. Start of development of waste disposal site. *Started land creation project in 1991. *2002 Yumemai Bridge opened. *Inauguration of the Yumeshima Container Terminal in 2002. *2009 Yume Saki tunnel (road section) opened. *2025: Expo 2025 begins and construction begins on MGM Osaka

Transportation

Yumeshima and Maishima are connected via the Yumemai Bridge. Yumeshima and Sakishima are connected with the Yume Saki tunnel. No pedestrians or bicycles are allowed in the tunnel. There is public transportation with a sightseeing bus that stops at Cosmosquare Station. There are plans to extend the Osaka Metro Chūō Line, Sakurajima Line and Keihan Nakanoshima Line to the upcoming

. The commute will be about 30 minutes from Ōsaka Station to a new station on Yumeshima.

References

{{coord, 34.652, 135.388, type:isle_region:JP, display=title Artificial islands of Japan Konohana-ku, Osaka Geography of Osaka World's fair sites in Osaka Islands of Osaka Prefecture Expo 2025