General Information Website to Learn About Izu Islands and Ogasawara Islands

Event information

Event information held in each island

Tokyo Island Series 2019, now accepting entry applications from general participants

May 18 (Sat) – July 6 (Sat), 2019
Niijima, Oshima, Shikinejima Islands

Tokyo Islands host various sports events throughout the year. Recognized as an early-summer feature of Tokyo Islands, “Tokyo Island Series,” a marine sports festival, is now accepting entry applications from general participants. By visiting Tokyo Islands and trying various kinds of sports, you can thoroughly refresh both physically and mentally.


<Competition Schedule>

May 18 (Sat), Niijima Triathlon Meet (application period: Feb. 4 – Apr. 17)

June 8 (Sat), Izu Oshima Triathlon (application period: Feb. 4 – May 7)

June 15 (Sat), Shikinejima Marathon (application period: Feb. 4 – May 14)

July 6 (Sat), Niijima Open Water Swim Race (application period: Feb. 1 – Jun.5)

*The application will be closed as soon as the number of applicants reaches capacity.


For detailed information, please visit the website below:



2019.04.17 Update

Pick Up Events

Tsubaki-matsuri Festival and Geopark Exhibition
January 26 (Sun) - March 22 (Sun), 2020
Izu Oshima
(日本語) ミス大島・椿の女王コンテスト&撮影会
(日本語) 2020年2月22日(土)
(日本語) 東京都立大島公園特設会場
(日本語) 第49回 カメリアマラソン
(日本語) 2020年2月2日(日)
(日本語) 大島町 椿まつり特別コース