Expo '75

Expo '75

Expo '75 (Japanese: 沖縄国際海洋博覧会, "Okinawa kokusai kaiyou hakurankai") was a World's Fair held on the island of Okinawa in Japan from July 20, 1975 to January 18, 1976.


Expo 75 was conceived, in part, to commemorate the American handover of Okinawa to Japan in 1972. The theme of the exposition was the oceans, and focused on oceanographic technologies, marine life, and oceanic cultures. The motto was “The sea we would like to see”.

The event was located on the western end of the Motobu Peninsula, with a site area of 1,000,000 square meters (including sea areas). Thirty-seven nations participated, along with eight domestic and three international organizations. The keynote speaker on opening day was American author James A. Michener.

Expo 75 site

The site was divided into four “clusters” in which there were pavilions and exhibits:

Fish Cluster

* Iran Pavilion
* Sumitomo Pavilion
* Aquarium
* Dolphin Land
* Expo Future Car (C.V.S.)

Peoples and History Cluster

* International Pavilion No. 1
* Okinawa Pavilion
* EXPO Hall
* Hitachi Pavilion
* Oceanic Culture Museum — Audio-visual hall and exhibition hall displaying ships, carvings, and other cultural items from the Pacific Ocean area.
* Mitsubishi Pavilion — Ride featuring underwater technologies
* International Pavilion No. 2

cience and Technology Cluster

* World Ocean Systems (W.O.S) — Whale-shaped theater.
* Mistui Children’s Pavilion
* Fuyo Group Pavilion — Featuring oceanic robotics and aerial garden.
* U.S.A. Pavilion
* Aquapolis — Centerpiece floating city.
* Canada Pavilion
* Australia Pavilion
* Italy Pavilion
* U.S.S.R Pavilion
* Expo New City Car (K.R.T.)

hips Cluster

* International Pavilion No. 3
* Midori/Icearama Pavilion – Iceberg-shaped building displaying a 3,000 year old ice core, and a 12,000 year old ice core.
* EXPO Port
* Guest House

There was also EXPO Port, EXPO Beach, and an amusement park named EXPO Land.


The centerpiece of Expo 75 was the Aquapolis a floating city designed by Seikun Kikutake. It was envisioned as a concept of how humans could live harmoniously on the ocean, and a prototype for marine communities. The Aquapolis was constructed at a shipyard in Hiroshima, Japan, and then towed to the Expo site. The facility was funded by the Japanese government, and cost 13 billion yen. It was thirty-two meters high, and had a one-hundred square meter deck.

The Expo site also featured two automated, electric people movers: Expo Future Car (C.V.S.) and Expo New City Car (K.R.T.), which served the southern and northern sections of the park, respectively.


After the Expo was over, the site became Okinawa Commemorative National Government Park (国営沖縄記念公園), also known as Ocean Expo Park. Most of the exhibits were removed, although the Aquapolis was retained as an attraction and eventually hosted four million visitors. As years passed, the number of visitors to the Aquapolis declined and it was closed in 1993. In October 2000, the Aquapolis was towed away to Shanghai to be scrapped.

The Okinawa Churaumi Aquarium was later constructed on the site.

External links

* [http://www.dc.ogb.go.jp/kouen/ocean_park/default_e.htm Ocean Expo Park]
* [http://www.okinawatimes.co.jp/eng/20001028.html Scrapping of the Aquapolis]

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