Umashima
馬島, Umashima Island
33°54′N 132°03′E
Terrain
33°54′N 132°03′E
Chart
Nearest islands
- Sago jima3.2 km
- Nagashima8.0 km
- Iwaishima14 km
- Heigun Island19 km
- Suō Ōshima19 km
- Yashima21 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

Iwaishima
7.7 km²▲ 365 m
Major islands
Nuwa Island
4.7 km²▲ 206 m
Minor islands

Yashima
4.2 km²▲ 288 m
Minor islands