Koshikishima Islands

Islands Group of volcanic islands with dramatic coastlines

Archipelago off Kagoshima Prefecture with rocky coasts and fishing villages; accessed by ferries for island walks, beaches and local seafood.

Main image
Koshikijima Islands ISS045.jpg
Mask of Toshidon.jpg

The Koshikishima Islands are an archipelago in Kagoshima Prefecture in southwestern Japan, located off the northwest coast of Kyushu in the East China Sea. The group is noted for its rugged coastlines and small fishing communities.

The islands offer coastal scenery, rocky cliffs and sheltered bays with village settlements and local fisheries. Travel between islands is typically by small boat or regional ferry services, and the area is visited for scenery, coastal walks and village culture.

The archipelago has long been inhabited and sustained by fishing and maritime links with Kyushu. Local communities developed around coastal resources and transportation by sea.

Geographically the islands lie off the coast of Kyushu and are administered as part of Kagoshima Prefecture in southern Japan. The group sits in the East China Sea west of the Kyushu mainland.

What to See #

  • Kamikoshiki Island: One of the larger inhabited islands in the group, featuring coastal villages and local fishing activities; serves as a base for visiting the surrounding islets.
  • Shimokoshiki Island: A principal island in the archipelago with rugged shoreline and small settlements, used historically for fishing and local maritime trade.
Koshikishima Islands
31.7775, 129.8070

Tips for Visiting Koshikishima Islands #

  • Plan travel in spring-autumn when weather is mild and ferry services run more frequently; winter ferry schedules can be sparse.
  • Ferries are the primary way to reach the islands - check prefecture ferry timetables in advance and book foot or vehicle space early on popular days.
  • Explore beyond the main piers: coastal viewpoints, small villages and short island trails reward those who stay a day or two rather than just making a quick round trip.

Best Time to Visit Koshikishima Islands #

Best visited in spring or autumn for pleasant weather and lower rainfall; summer brings heat, humidity and heavier rains.

Spring
March-May · ~15-25°C
Pleasant temperatures and blooming vegetation-good for sightseeing and outdoor activities before the hottest months.
Summer (hot, rainy)
June-August · ~25-32°C
Warm to hot with the rainy season beginning; good for beach activities but expect higher humidity and showers, and increased typhoon risk late summer.
Autumn
September-November · ~20-28°C
Generally pleasant and warm with decreasing rainfall after the peak rainy season-another good window for visiting.

Weather & Climate near Koshikishima Islands #

Climate
Temperature & Rainfall
Temperature Range
34°
Warmest Month
Coldest Month
Monthly Conditions

January

Weather

0.4
UV Index
Low
10.2h daylight

February

Weather

0.7
UV Index
Moderate
10.9h daylight

March

Weather

1.0
UV Index
High
11.9h daylight

April

Weather

1.4
UV Index
High
12.8h daylight

May

Weather

1.6
UV Index
Very High
13.6h daylight

June

Weather

1.6
UV Index
Very High
14.0h daylight

July

Weather

2.1
UV Index
Extreme
13.8h daylight

August

Weather

2.1
UV Index
Extreme
13.1h daylight

September

Weather

1.5
UV Index
Very High
12.2h daylight

October

Weather

1.1
UV Index
High
11.3h daylight

November

Weather

0.6
UV Index
Moderate
10.4h daylight

December

Weather

0.4
UV Index
Low
10.0h daylight

Nearby Attractions to Koshikishima Islands