Iwaishima
祝島, Iwai Island, Koiwai-shima
33°47′N 131°58′E
Iwai Island (祝島, Iwai-shima) is an island of the Inland Sea in Japan. With a total altitude of 82 m, it lies at the south-eastern edge of the Yamaguchi Prefecture (山口県, Yamaguchi-ken) at coordinates 33°46′48.00″N 131°58′12.00″E.

Terrain
33°47′N 131°58′E
Overview
Iwai Island (祝島, Iwai-shima) is an island of the Inland Sea in Japan. With a total altitude of 82 m, it lies at the south-eastern edge of the Yamaguchi Prefecture (山口県, Yamaguchi-ken) at coordinates 33°46′48.00″N 131°58′12.00″E. The name is derived from the ancient ritual of passing travellers and is in fact home to a ceremonial fishing dance specific to the island as noted in the crew journey log of the Hokule‘a on their journey from Micronesia to Japan. In 1982, Chugoku Electric Power Company proposed building a nuclear power plant near Iwaishima, but many residents opposed the idea, and the island’s fishing cooperative voted overwhelmingly against the plans. In January 1983, almost 400 islanders staged a protest march, which was the first of more than 1,000 protests the islanders carried out. Since the Fukushima nuclear disaster in March 2011 there has been wider opposition to construction plans for the plant.
From Wikipedia, CC BY-SA 4.0
Chart
Nearest islands
- Nagashima12 km
- Sago jima13 km
- Umashima14 km
- Yashima17 km
- Heigun Island22 km
- Suō Ōshima29 km
Also in Kumage Islands
Also in Bōyo Islands

Suō Ōshima
129 km²▲ 691 m
Major islands

Nakashima
21.2 km²▲ 296 m
Major islands
Heigun Island
16.6 km²▲ 468 m
Major islands

Nagashima
13.7 km²▲ 313 m
Major islands

Gogo Island
8.5 km²▲ 282 m
Major islands
Nuwa Island
4.7 km²▲ 206 m
Minor islands

Yashima
4.2 km²▲ 288 m
Minor islands

Muzuki Island
3.8 km²▲ 198 m
Minor islands
Photographs

祝島を空撮(2024年)画面上方の島は「小祝島」

山口県上関町長島の上関原子力発電所計画地と祝島 Nagashima-Island & Iwaishima-Island in Japan.
Sources
Facts
Photographs
- Iwai island aerial shot. ブルーノ・プラス / CC BY 4.0
- Tanoura iwaishima. BrackWorry / Public domain