Island in Kagoshima, Japan
Internet in Yakushima: speed, SIM cards and coworking
Is the internet good in Yakushima?
Median fixed broadband in Japan is 234 Mbps and mobile is 66 Mbps (Speedtest Global Index, 2026-08). Wifi is common in guesthouses; mobile signal is weak or absent in the mountains and on parts of the coast.
Getting online in Yakushima
| Details | |
|---|---|
| Home fibre | Fibre exists in the main villages, but long-term rentals are scarce. |
| Cafés and coworking | Wifi is common in guesthouses; mobile signal is weak or absent in the mountains and on parts of the coast. |
| Outages | Typhoons can cut power and mobile service for hours |
| Tourist SIM | Data-only SIMs and eSIMs sold at airports and Bic Camera or Yodobashi, about ¥2,000–6,000; voice numbers need a residence card. |
| eSIM | Local carriers sell eSIMs to visitors. |
| Carriers | docomo, au, SoftBank, Rakuten Mobile |
| Monthly data plan | ¥2,000–4,000 ($13–25) |
Coworking in Yakushima
There's no dedicated coworking scene here; people work from cafés and accommodation.
Internet speeds in East Asia
National medians, Speedtest Global Index.
| Country | Fixed | Mobile |
|---|---|---|
| Hong Kong | 362 Mbps | 89 Mbps |
| Macau | 322 Mbps | — |
| Taiwan | 298 Mbps | 111 Mbps |
| South Korea | 251 Mbps | 251 Mbps |
| China | 238 Mbps | 176 Mbps |
| Japan | 234 Mbps | 66 Mbps |
| Mongolia | 86 Mbps | — |
Quick answers
Is the internet fast in Yakushima?
Median fixed broadband in Japan is 234 Mbps and mobile is 66 Mbps (Speedtest Global Index, 2026-08). Wifi is common in guesthouses; mobile signal is weak or absent in the mountains and on parts of the coast.
Which SIM card should I get in Yakushima?
Data-only SIMs and eSIMs sold at airports and Bic Camera or Yodobashi, about ¥2,000–6,000; voice numbers need a residence card.
Can I use an eSIM in Japan?
Yes. Local carriers sell eSIMs to visitors, and travel eSIMs work too.
More about Yakushima
Going to Yakushima solo?
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Sources
- Speedtest Global Index: Japan
- docomo
- au
- SoftBank
- Rakuten Mobile
- Yakushima Tourism Association
- Yakushima Town
- Kagoshima Prefecture tourism (Travel Kagoshima)
Speeds are medians from Ookla's Speedtest Global Index, cited for reference. Compiled and reviewed by SoloSquare. How we compile and score this. Spotted something out of date? Tell us.