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Ko Mak

A flat coconut and rubber island of about sixteen square kilometres, owned by a few families who have kept development small.

Updated 28 August 2026

Typeisland
WhereTrat
Nearest cityLaem Ngop about 90 minutes by speedboat; Ko Chang about an hour
Best seasonNovember to April
Time to allowThree to five days
Getting thereSpeedboat or slow ferry from Laem Ngop or Ko Chang; seasonal service
EntryFree

Ko Mak is unusual among Thai islands in being flat and in being privately held: most of the land belongs to a small number of families descended from an early twentieth-century settler, and the plantations of coconut and rubber they planted still cover much of it. That ownership pattern has shaped what happened next - the families have largely resisted large-scale resort development, and there is no high-rise, no chain hotel and no bar strip. The island is small enough to cycle across in half an hour on flat concrete lanes, and bicycles and small motorbikes are the transport. Beaches are on the west and south, shallow and calm. A local low-carbon tourism initiative has pushed against plastic and heavy development. From May to October boat services reduce sharply and much of the island closes. There is limited medical provision and no hospital, and the nearest is on the mainland.

What you'll find

  • The plantations - coconut and rubber across a flat island.
  • The family ownership - the reason large development has not happened.
  • The cycling lanes - flat concrete roads crossable in half an hour.
  • The shallow beaches - calm water on the west and south shores.

When to go

November to April. Boat services thin out and much closes from May to October. Bring cash - bank machines are few and card acceptance patchy.

Good to know

Very quiet, with limited nightlife or dining variety - that is the point but it does not suit everyone. Low-season closures are extensive. No hospital; serious medical issues mean the mainland. Shallow water means poor swimming at low tide on some beaches.

Nearby

Ko Kut is south-east; Ko Wai and Ko Chang are north-west.

Key facts

Local nameเกาะหมาก (Thai)
Area16 km² (6.2 sq mi)
Length7.5 km (4.7 mi)
Location11.8186° N, 102.4789° E · map

Source: Wikidata, item Q1090553, read on 18 October 2026.

What to pack for Ko Mak

Chosen from what this place is for. Tap a kit for the full checklist.

  • Reef-safe sunscreen - High SPF that will not bleach the coral you are swimming over. Find on Amazon
  • Padded shorts - The one thing that makes a full day in the saddle bearable. Find on Amazon
  • Quick-dry towel - A microfibre towel packs small and dries in minutes. Find on Amazon
  • Helmet - Bring your own if you have a good one; rentals vary wildly. Find on Amazon

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All packing kits

Plan your trip

Where to start if Ko Mak is going on the list.

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Opening times, ticket prices and seasonal closures change - check the official source before you go: official site.

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