Koh Mak is small, flat, and privately owned — historically by a handful of families who run much of it as coconut and rubber plantation — and its resorts cluster on two beaches facing different directions. Because you can cycle from one side of the island to the other in well under half an hour, choosing a base is mostly about which beach and which mood, not about cutting your commute. Here is how the two main bays compare, and what the remote coasts offer.
Ao Kao: the all-round base
Ao Kao on the south-west is the obvious first choice. It is the longest beach, with easy swimmable sand and the island's only proper back road of restaurants, cafés, minimarts, a dive shop, and a couple of low-key bars. You can fill several days here without going anywhere, eat somewhere different each night on foot or a short cycle, and still get a sunset over the water. For most visitors, this is the base.
Ao Suan Yai: sunsets and space
Ao Suan Yai on the north-west is a long, quiet two-kilometre sweep with views across to the silhouette of Koh Chang and arguably the better sunset. There are a handful of resorts, including some of the island's more comfortable ones, but far less within walking distance to eat — you will cycle to Ao Kao or eat at your resort. Right for couples who prioritise the view and the quiet over having options on the doorstep.
The remote coasts
Beyond the two main beaches, places dot the quieter south, east, and north coasts — around Ao Pra, Ao Lom, and near Ao Nid pier — where you trade walkable dining for near-total seclusion. These suit people who want to settle into one resort, eat where they sleep, and barely move. Make sure you are comfortable being self-contained before booking the far corners.
What "luxury" means here
Koh Mak does not do international five-stars. The upper tier is a set of well-run, comfortable boutique resorts on Ao Kao and Ao Suan Yai rather than glass-and-infinity-pool territory, and much of the island is mid-range bungalows run by local families. That is the appeal — the lack of big-brand development is why it stays calm and cheap by Thai-island standards.
Which base suits you?
Want options, easy swimming, and a social-but-quiet beach: Ao Kao. Want the best sunset and more space, and don't mind cycling to dinner: Ao Suan Yai. Want to disappear: the remote coasts. Whichever you pick, borrow a bicycle and see the other side of the island — on Koh Mak that is a genuinely easy thing to do.
Frequently Asked Questions
Where is the best place to stay on Koh Mak?
Ao Kao for most people — it is the longest beach, the most swimmable, and the only stretch with a real back-road cluster of restaurants, cafés, a dive shop and bars. Ao Suan Yai suits those who want sunset views and a quieter base and don't mind cycling to dinner.
Is Ao Kao or Ao Suan Yai better on Koh Mak?
Ao Kao has the easier swimming and the most to walk to; Ao Suan Yai has the better sunset and views across to Koh Chang but fewer eating options nearby. Because the island is flat and tiny, you can stay on one and cycle to the other in 15 minutes.
Is Koh Mak good for families?
Yes. It is flat, calm, low-traffic, and the gentle shallows at Ao Kao suit children, while cycling everywhere is a draw in itself. There is little nightlife to work around and the pace is slow, which is exactly what families tend to want here.
Do you need a scooter on Koh Mak?
Not usually. The island is flat and compact, so a bicycle covers most needs and many resorts lend them out. A scooter is handy for carrying bags between beaches or in the heat, but Koh Mak is the rare Thai island where you can genuinely get by on a bike.
