Following the completion of the World Expo 2025 Osaka-Kansai on October 13, the governments of Osaka Prefecture and the city of Osaka are channeling their efforts into transforming Yumeshima Island. The site, which previously captured global attention during the Expo, is set for a significant metamorphosis into an international tourism hub, highlighted by Japan’s first casino-integrated resort, MGM Osaka.
The transformation of Yumeshima Island is strategically planned in three comprehensive stages, set to redefine the landscape of the artificial island located in Osaka’s Konohana Ward. The first stage is concentrated on the development of MGM Osaka, a groundbreaking partnership between MGM Resorts International and Japan’s Orix Corporation. Construction of the resort is already progressing on the northern segment of the former Expo grounds.
As plans unfold for the Expo site, stages two and three will see the creation of a mixed-use complex featuring both commercial and leisure facilities. Among the ambitious proposals are a sprawling 50-hectare recreational area that will include a race circuit, a water park, a hotel, and a versatile arena designed to complement the integrated resort, which is scheduled to open in 2030.
Respecting the legacy of the Expo, a notable 200-meter section of the Grand Ring—a unique two-kilometer wooden overpass initially slated for demolition post-Expo—will be reconstructed as the focal point of a new 3.3-hectare park. The decision to preserve this structure was propelled by public enthusiasm; local and national governments have estimated the cost of reinforcing it to be around JPY9 billion (approximately $59.5 million). These funds may be sourced from the surplus revenues generated by the Expo.
The remaining land on Yumeshima Island is anticipated to be developed by private enterprises. Osaka’s authorities are poised to invite bids from corporate participants by spring 2026. Although precise timelines for the subsequent phases of development remain undecided, officials are eager to ensure that this expansive redevelopment works in synergy with the integrated resort, amplifying Osaka’s tourism appeal for the foreseeable future.
MGM Osaka stands as a pioneering venture within Japan’s tourism landscape. Situated on 49 hectares adjacent to the Expo area, development commenced in April 2025. The project, with an initial investment estimated at JPY1.27 trillion ($8.9 billion), is expected to reach a total expenditure of JPY1.5 trillion ($10.2 billion) when adjusted for inflation and construction costs.
Upon its anticipated opening in autumn 2030, MGM Osaka aims to attract approximately 20 million visitors annually, contributing significantly to leisure tourism and the broader economy. The resort will encompass expansive hotel accommodations, convention and entertainment spaces, and gaming areas, all in compliance with Japan’s regulatory standards.
Industry experts, including Hideyuki Araki from the Resona Research Institute, underscore that this monumental redevelopment should be perceived as part of a broader medium-to-long-term strategy for Osaka. The combination of the Expo site’s redevelopment with MGM Osaka is expected to foster enduring tourism activity and stimulate growth across the Kansai region.
Complementing these initiatives, the Osaka government is implementing measures to mitigate gambling addiction risks. This includes the establishment of a dedicated organization that provides comprehensive services ranging from consultation to treatment and recovery support, reflecting a responsible approach to the emerging casino industry.
As the Expo has concluded, Osaka looks forward with optimism. The redevelopment of Yumeshima Island into a holistic leisure and entertainment complex reflects the city’s ambition to become a premier Asian tourist destination. In conjunction with MGM Osaka, the development of additional parks, recreational facilities, and commercial areas strives to widen its appeal beyond gaming, aiming to attract a diverse array of visitors.
The vision also includes a sustainable trajectory for urban and economic growth where innovation and heritage coalesce. By preserving elements of the Expo’s legacy while introducing new developments, Osaka is setting the stage for a tourism boom that extends well beyond the success of the 2025 event.
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