is a district in Kōtō, Tokyo, Japan, consisting of an

artificial island An artificial island is an island that has been constructed by people rather than formed by natural means. Artificial islands may vary in size from small islets reclaimed solely to support a single pillar of a building or structure to those th ...

built using waste landfill. It is not the first such island in the bay (see Umi-no-mori :ja:海の森公園). At current fill rates, there will be no more room for waste landfill in the bay without affecting shipping lanes by around 2050; likewise,

Osaka Bay Osaka Bay (大阪湾 ''Ōsaka-wan'' ) is a bay in western Japan. As an eastern part of the Seto Inland Sea, it is separated from the Pacific Ocean by the Kii Channel and from the neighbor western part of the Inland Sea by the Akashi Strait. ...

and

Ise Bay is a bay located at the mouth of the Kiso Three Rivers between Mie and Aichi Prefectures in Japan. Ise Bay has an average depth of and a maximum depth of . The mouth of the bay is and is connected to the smaller Mikawa Bay by two channels: ...

are slowly being consumed by waste landfill islands, e.g.

Rinku Town is a commercial development in Izumisano, Osaka, Japan, adjacent to Kansai International Airport. It was constructed in the early 1990s on reclaimed land, and opened in September 1995. Rinku Town is accessible from Osaka by the Nankai Main Line an ...

History

The island was originally conceived in the 1930s as a site for a new Tokyo Municipal Airport to replace

Haneda Airport , officially , and sometimes called as Tokyo Haneda Airport or Haneda International Airport , is one of two international airports serving the Greater Tokyo Area, the other one being Narita International Airport (NRT). It serves as the primary ...

. The airport plan was finalized in 1938 and work on the island began in 1939, but fell behind schedule due to resource constraints during World War II. The airport plan was officially abandoned following the war, as the Allied occupation authorities favored expanding Haneda rather than building a new airport. A public beach opened on the island in 1947, at which time the "Yumenoshima" name was adopted. The beach closed in 1950, and from 1957 the island was used for garbage disposal(of mainly plastic at the time).

Places

Yumenoshima is a fairly small district, and contains: *

Yumenoshima Park is a sports park in Yumenoshima, Kōtō Ward, Tokyo, Japan. It was made by improving a landfill site called Yumenoshima, which had been the final disposal site for garbage from 1957 until 1967. Yumenoshima was the site of the archery event of ...

, a public park with an array of facilities, including a tropical botanical garden, a sports complex, a barbecue area, a colosseum, a yacht marina,a track and field stadium and a ramen stand. * Yumenoshima Stadium, a football and athletics stadium used for youth competitions and lower league football matches. * Yumenoshima Baseball Field, a baseball field for local youth teams * Koto Incineration Facility, an incineration facility for Koto ward Today, Yumenoshima also houses the

Daigo Fukuryū Maru was a Japanese tuna fishing boat with a crew of 23 men which was contaminated by nuclear fallout from the United States Castle Bravo thermonuclear weapon test at Bikini Atoll on March 1, 1954. The crew suffered acute radiation syndrome (ARS ...

, a wooden fishing boat exposed to nuclear fallout during the

Bikini Atoll Bikini Atoll ( or ; Marshallese: , , meaning "coconut place"), sometimes known as Eschscholtz Atoll between the 1800s and 1946 is a coral reef in the Marshall Islands consisting of 23 islands surrounding a central lagoon. After the Seco ...

test in 1954; the boat was modified as a training vessel following the exposure, and later abandoned near Yumenoshima.

2020 Summer Olympics

was the venue for archery events in the

2020 Summer Olympics The , officially the and also known as , was an international multi-sport event held from 23 July to 8 August 2021 in Tokyo, Japan, with some preliminary events that began on 21 July. Tokyo was selected as the host city during the 1 ...

and the 2020 Summer Paralympics.

Schools

Koto Ward Board of Education operates public elementary and junior high schools. Minamisuna Elementary School (南砂小学校) is the zoned public elementary school for Yumenoshima. Minamisuna Junior High School (南砂中学校) is the zoned public junior high school for Yumenoshima.

External links

References

{{Kōtō Artificial islands of Tokyo Districts of Kōtō Islands of Tokyo