General Information Website to Learn About Izu Islands and Ogasawara Islands

Event information

Event information held in each island

The 31st Izu Oshima Triathlon

June 8 (Sat), 2019
Izu Oshima Special course (main venue: around Motomachi Port)

Izu Oshima Special Course (main venue: around Motomachi Port)
“Tokyo Island Series” is an annual marine sports festival held on Izu Islands. This year, the Izu Oshima Triathlon will be held on June 8 (Sat). This early-summer feature of the islands offers an opportunity for tough triathletes to compete with each other. On Oshima Island with its abundant nature, while enjoying that nature you can also be a spectator of a heated competition!

Date: June 8 (Sat), 2019
Venue: Izu Oshima Special course (main venue: around Motomachi Port)


For details, please visit:


Contact: Tokyo Island Series Event Office
Tel: 042-379-2585 (10:00-18:00 weekdays)



2019.05.09 Update

Pick Up Events

Hahajima Festival
starting at 10:00 on May 2 (Sat)
the area around Hahajima Fisheries Cooperative’s Fisheries Product Sales Center
(日本語) 神津えびね展
(日本語) 2019年4月上旬~中旬
(日本語) 神津島:生きがい健康センター
(日本語) 長浜祭り
(日本語) 2020年4月15日(水)
(日本語) 神津島:阿波命神社