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Island in Preah Sihanouk, Cambodia

Internet in Koh Rong Samloem: speed, SIM cards and coworking

Updated October 2026Sources
55 MbpsMedian download

Is the internet good in Koh Rong Samloem?

Median fixed broadband in Cambodia is 55 Mbps and mobile is 112 Mbps (Speedtest Global Index, 2026-08). Wifi is slow and unreliable; mobile data works on Saracen Bay but is weak elsewhere. Not suited to video calls.

Getting online in Koh Rong Samloem

Details
Home fibreNo long-term rental market; some resorts have wifi or Starlink.
Cafés and coworkingWifi is slow and unreliable; mobile data works on Saracen Bay but is weak elsewhere. Not suited to video calls.
OutagesGenerator-only power at some resorts; evening outages are common
Tourist SIMAirport kiosks and phone shops sell tourist packs with large data allowances for about $5–15; passport required.
eSIMLocal carriers sell eSIMs to visitors.
CarriersSmart, Cellcard, Metfone
Monthly data plan$5–15 ($5–15)

Coworking in Koh Rong Samloem

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 Rong Samloem?

Median fixed broadband in Cambodia is 55 Mbps and mobile is 112 Mbps (Speedtest Global Index, 2026-08). Wifi is slow and unreliable; mobile data works on Saracen Bay but is weak elsewhere. Not suited to video calls.

Which SIM card should I get in Koh Rong Samloem?

Airport kiosks and phone shops sell tourist packs with large data allowances for about $5–15; passport required.

Can I use an eSIM in Cambodia?

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

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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 Spotted something out of date?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.