Koh Samui Immigration Office
Complete 2026 guide — opening hours, queue tips, required documents, transport, and what to bring.
Updated May 2026 · ThaiVisaFlow Editorial Team · Informational only — not official Thai Immigration Bureau data
Weekday Hours
08:30 – 16:30 (general guidance — verify before visiting)
Typical Queue
1–2 hours on weekdays
Best Arrival
Arrive by 08:30
Region
Southern Thailand (Gulf Coast)
Informational guide only. Office hours, services, and requirements change without notice. Always verify current information directly with the office or via immigration.go.th before visiting.
Office Overview
Full Name
Koh Samui Immigration Office
Province / Region
Surat Thani · Southern Thailand (Gulf Coast)
Address
Nathon, Koh Samui, Surat Thani — verify exact address at immigration.go.th before visiting
Phone
Verify with official source before visiting
Weekday Hours
08:30 – 16:30 (general guidance — verify before visiting)
Saturday
Closed
Sunday
Closed
Queue Level
Moderate
Arrive by 08:30. Relatively relaxed compared to mainland offices. Peak season (December–January) gets busier.
Location & Address
Nathon, Koh Samui, Surat Thani — verify exact address at immigration.go.th before visiting
Koh Samui Immigration Office
View on Google MapsServices Available
Visa Extension
Routine extensions handled. Complex cases may be referred to Surat Thani mainland office.
90-Day Reporting
Online via tm47.immigration.go.th recommended — saves a trip across the island.
Re-Entry Permit
Available — bring exact cash: ฿1,000 (single) or ฿3,800 (multiple).
Queue & Wait Times
Typical Wait
1–2 hours on weekdays
Best Time
Weekday mornings outside peak tourist season
Worst Time
December–January (peak island season)
Pro Tip
Island office with smaller throughput and generally relaxed atmosphere. Complex cases may be referred to Surat Thani mainland office.
Getting There — Transport & Parking
songthaew
Songthaew (local shared taxi) to Nathon pier area
grab
Grab available on the island to Nathon
taxi
Local taxi services available
note
Nathon is on the west coast of Koh Samui — allow travel time from other parts of the island
Required Documents — What to Bring
Standard documents required for most immigration visits. Service-specific extras listed below.
Valid passport — original + 2 clear photocopies of data page
Current visa/extension stamp — 1 photocopy
TM30 receipt or hotel registration — confirm this is current
Recent passport photo — 4×6cm, white background (bring 2–4)
Completed application form (TM7 for extensions — get at office)
Application fee in exact cash
Practical Tips
Arrive by 08:30 — earlier during December–January peak season
Bring ALL originals AND 2 sets of clear photocopies
Cash only — bring exact amounts for fees
For complex applications (retirement, marriage visa), the Surat Thani mainland office has more comprehensive services
Allow travel time from other parts of the island — Nathon is on the west coast
Online 90-day reporting is available and recommended to avoid the trip
Verify current services directly with the office — island offices have more limited scope
Common Mistakes to Avoid
Assuming full services match Bangkok or Chiang Mai
May be redirected to Surat Thani for complex applications
Insufficient photocopies
Must find a copy shop in Nathon town
Underestimating island travel time
Arrive late, long wait or turned away
Nearby — Copy Shops, ATMs & Food
Nathon town with local restaurants and banks nearby
ATMs available in Nathon town
Copy services in Nathon town — bring your own copies
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