🇹🇭 Destination guide · Updated 2026-07-10
eSIM for Thailand — Bangkok, islands, and Grab everywhere
Grab, boat tickets, and night markets. Land at BKK already online — tourist SIM lines move slowly in peak season.
Thailand runs on chat and ride-hail. Grab, Google Maps, and hotel WhatsApp threads are daily infrastructure — not nice-to-haves.
Airport tourist SIMs are available, but eSIM skips the desk and works the moment you leave the terminal.
Cities and islands
Bangkok, Chiang Mai, and Phuket towns are well covered. Smaller islands and jungle interiors vary. Ferry days need offline tickets. Do not assume full-speed 5G on every beach.
Tourist SIM vs eSIM
Local SIMs can be cheap for month-long stays if you want a Thai number. For 1–3 week trips, eSIM is faster to start and easier to discard when you fly home.
Practical tips
- Grab needs data; street taxis are fine but navigation helps with scams and confusion.
- Hotspot carefully during full-moon and festival congestion.
- Keep offline maps for scooter days in the islands.
FAQ
Is eSIM legal/usable for tourists in Thailand?
Yes. Tourist eSIMs are widely used. Your device must be unlocked and eSIM-compatible.
Get connected before you land
Unlimited data, fair-use throttle (never cutoff), WhatsApp support.