🔄 Updated 21 Jun 2026
Before the plan, a straight word about time. Koh Samui is bigger than people expect — the ring road (Route 4169) runs about 50 km around the island and takes the better part of an hour if you keep stopping. So the trick is simple: don't hop back and forth across the island in a single day. Whatever zone you're in, finish it before moving on, and you'll save a lot of energy. The plan below is already grouped by zone.
The 3-day overview
- Day 1 — north and east: check in around Chaweng or Bophut, swim at Chaweng Beach, visit the Big Buddha in the evening, then wrap up at Fisherman's Village in Bophut
- Day 2 — southern loop: Hin Ta–Hin Yai rocks, Na Muang Waterfall, Wat Khunaram to see the mummified monk, then a swim at Lamai Beach
- Day 3 — Ang Thong Marine Park: a full-day boat tour with snorkelling, kayaking and the inner-sea viewpoint, then back to rest before your flight home
- Adjust to your flights — if you land late on day one, just swap days 1 and 2. Keep the Ang Thong day for whenever the weather looks calmest.
Book the activities in your Koh Samui trip ahead
Booking online ahead on Klook or GetYourGuide is usually cheaper than the gate and skips the queue. Pick only the experiences you actually want — prices and availability are shown live on each site.
Day 1 — Chaweng Beach + Big Buddha + Bophut
Keep day one easy — no rushing — since most flights land at Samui airport mid-morning anyway. The Chaweng–Bophut–Bang Rak zone is closest to the airport, so covering this area first makes the most sense.
Ease into the north — beach time and the Big Buddha
About sun and surf on day one
Chaweng is an easy, shallow beach to swim at and good for kids. But during the monsoon (October–December) the surf can pick up and the water turns murkier than usual. Check the warning flags and ask your hotel before you go in, every time.
Day 2 — southern loop: rocks, temples, waterfalls, Lamai
Today you drive (or rent a scooter / hire a taxi) around the south, picking up the popular landmarks that sit almost all on the same road. Start at the Hin Ta–Hin Yai rocks, work your way to Wat Khunaram and the waterfall, then finish at Lamai Beach, which is quieter than Chaweng.
Temples, waterfalls and odd rocks, then a swim at Lamai
Riding a scooter on Samui — be careful
Scooter rental runs roughly 250–1,000 THB a day depending on the model, and it's the easiest way to loop the island. But some stretches — especially the climbs to the viewpoints and the road into the waterfall — are steep and slippery. Ride slow, wear a helmet, and if you're not genuinely comfortable on a scooter, a hired taxi or the local songthaew (pickup truck) is the safer call.
Day 3 — Ang Thong Marine National Park
This is the highlight of the trip: a limestone seascape of nearly 42 islands, with the inner sea (an emerald-green lagoon inside the main island), snorkelling spots and kayaking. You can only reach it by boat — tours leave Samui in the morning and return in the late afternoon. Book ahead and save this day for whenever the weather looks calmest on your trip.
A full-day boat tour at Ang Thong
Ang Thong depends on the weather — straight talk
During the monsoon (late October–December) the sea on this side gets rough, and on some days the park closes or tours are cancelled for safety. If you're coming in the rainy season, leave a spare day and pick a tour that refunds if it's cancelled due to weather. Park entry fees for Thais and foreigners are charged separately and usually paid on top of the tour price.
Rough budget per person (excluding flights)
Prices on the island swing hard with the season — in high season (December–April) both rooms and tours can roughly double. The figures below are mid-range numbers to set a budget by; check the real prices for your travel dates.
- Accommodation, 2 nights: a mid-range guesthouse or hotel runs around 800–2,500 THB/night · beachfront resorts go several times higher
- Ang Thong tour: a speedboat tour is around 1,700–2,500 THB/person including transfers, food and gear · larger boats are cheaper, from the high hundreds to low thousands of THB
- Ang Thong park entry: usually paid separately at the park (foreigners 300 THB, children 150 THB, Thais cheaper)
- Transport: scooter rental around 250–1,000 THB/day · songthaew 50–200 THB/trip · a private taxi is a matter of negotiation, usually starting from 300 THB
- Temples and landmarks: the Big Buddha, Hin Ta–Hin Yai and Wat Khunaram are free or donation-based · Na Muang Waterfall is free
A few things before you go
- Book the Ang Thong tour ahead — especially in high season, when boats fill fast and prices climb
- Carry cash — small shops, markets and several park entry points take cash first
- Sunscreen and a hat — the Samui sun is strong all day, especially on the boat day
- Modest clothes for temples — shoulders and knees covered; a scarf in your bag is the easiest fix
- Check the forecast before any water activity — safety comes before the view
Want a well-placed base for looping the island? Start with our shortlist of Samui hotels.
See the Top 10 Samui hotels →