SoloSquareGuides Meet people in Koh TaoMeet people

Island in Surat Thani, Thailand

Internet in Koh Tao: speed, SIM cards and coworking

Updated October 2026Sources
299 MbpsMedian download

Is the internet good in Koh Tao?

Median fixed broadband in Thailand is 299 Mbps and mobile is 134 Mbps (Speedtest Global Index, 2026-08). Café wifi in Sairee is usable but patchy; calls can drop. Mobile data is the safer bet.

Getting online in Koh Tao

Details
Home fibreFibre limited; bungalows and apartments often use shared wifi or mobile hotspots.
Cafés and coworkingCafé wifi in Sairee is usable but patchy; calls can drop. Mobile data is the safer bet.
OutagesFrequent power and wifi cuts in storms
Tourist SIMAIS, True and dtac airport counters sell tourist SIMs and eSIMs, roughly 300–600 THB for 8–15 days; passport required.
eSIMLocal carriers sell eSIMs to visitors.
CarriersAIS, True, dtac
Monthly data plan฿300–600 ($8.9–17.9)

Coworking in Koh Tao

There's no dedicated coworking scene here; people work from cafés and accommodation.

Internet speeds in Southeast Asia

National medians, Speedtest Global Index.

CountryFixedMobile
Singapore463 Mbps164 Mbps
Vietnam301 Mbps220 Mbps
Thailand299 Mbps134 Mbps
Malaysia179 Mbps165 Mbps
Philippines114 Mbps66 Mbps
Brunei86 Mbps254 Mbps
Laos60 Mbps45 Mbps
Cambodia55 Mbps112 Mbps
Indonesia51 Mbps66 Mbps
Myanmar25 Mbps—

Quick answers

Is the internet fast in Koh Tao?

Median fixed broadband in Thailand is 299 Mbps and mobile is 134 Mbps (Speedtest Global Index, 2026-08). Café wifi in Sairee is usable but patchy; calls can drop. Mobile data is the safer bet.

Which SIM card should I get in Koh Tao?

AIS, True and dtac airport counters sell tourist SIMs and eSIMs, roughly 300–600 THB for 8–15 days; passport required.

Can I use an eSIM in Thailand?

Yes. Local carriers sell eSIMs to visitors, and travel eSIMs work too.

More about Koh Tao

Going to Koh Tao solo?

SoloSquare is where travelers, nomads and locals in Koh Tao meet up for small plans: coffee, dinners, walks and day trips. Join one, or start your own in a minute.

See plans in Koh Tao

Sources

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 Spotted something out of date?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.