Best Things to Do on Koh Samui
Koh Samui’s best-known sights are the Big Buddha at Wat Phra Yai and a day trip to Ang Thong Marine Park, but the island also has two worthwhile temples, a hillside waterfall, an unusual rock formation, and a weekly night market all within a short drive of Chaweng. Most first-time visitors can cover the essentials in 2–3 days, leaving the rest of a 4–5 day trip for the beach.
What Are Koh Samui’s Must-See Temples?
The Big Buddha at Wat Phra Yai is the island’s most recognizable landmark — a 12-meter golden statue on a small island connected by causeway, visible from the air on the approach into Samui Airport. Wat Plai Laem, a short drive away, pairs a towering Budai (laughing Buddha) statue with an 18-armed Guanyin overlooking a lake of turtles and fish that visitors can feed.
Wat Plai Laem: Ozkartman / CC BY-SA 4.0
A third, quieter stop for those interested in Thai Buddhist culture is Wat Khunaram, which houses the mummified body of a local monk preserved in a seated position inside a glass case since 1973 — a genuinely unusual sight rather than a staged tourist attraction, and still an active temple.
What’s the Best Day Trip From Koh Samui?
Ang Thong National Marine Park is Koh Samui’s single best day trip — a 42-island archipelago of limestone cliffs and hidden lagoons reachable by speedboat, with kayaking and snorkeling built into most tours. Boats leave from piers in Bophut or Nathon, typically run as a full day with a packed lunch included, and are worth booking a day or two ahead in high season since boats fill up.
Boats leave early and fill up fast in high season, so booking a day or two ahead is worth it. Browse Ang Thong Marine Park day tours on Klook.
TTC Verdict: Build your Koh Samui trip around one must-do (Ang Thong) and one easy half-day (the Big Buddha plus Wat Plai Laem, which sit close enough together to combine). Everything else on this list is a worthwhile add if you have 4–5 days, not a must if you only have 2.
What Natural Sights Are Worth the Trip Inland?
Namuang Waterfall, in the hills south of Nathon, drops in two tiers — an easy 18-meter lower fall and a steeper 80-meter upper fall reached by a short, often muddy trail — both with natural pools for swimming, best visited in or just after the rainy season (roughly September to December) when water volume is highest. Near Lamai, the Hin Ta and Hin Yai rock formations are a pair of naturally shaped granite boulders that have become a minor roadside attraction thanks to a local legend about their resemblance to male and female anatomy — worth a 10-minute stop if you’re already in the area, not a destination on its own.
Namuang Waterfall: Maksim Sundukov / CC BY-SA 3.0 · Hin Ta and Hin Yai: Dirk Enthoven / CC BY 3.0
For a wider view of the island, the Giant Summit restaurant and The Roof viewpoint both offer panoramic lookouts over Chaweng and the coastline — best timed for sunset, with a drink or dinner built in rather than a quick photo stop.
| Attraction | Type | Time Needed | Best For |
|---|---|---|---|
| Ang Thong Marine Park | Day tour (boat) | Full day | Scenery, snorkeling, a signature day trip |
| Big Buddha (Wat Phra Yai) | Temple | 30–45 min | Quick, free, iconic photo stop |
| Wat Plai Laem | Temple | 30–45 min | Pairs easily with the Big Buddha |
| Namuang Waterfall | Waterfall / hike | 1–2 hours | A break from the beach, swimming |
| Hin Ta and Hin Yai | Rock formation | 10–15 min | A quick stop near Lamai |
| Fisherman’s Village Walking Street | Night market | 1–2 hours | Evening food and shopping (Mon/Wed/Fri) |
Is Fisherman’s Village Walking Street Worth a Visit?
Yes, if your dates line up — the Walking Street night market in Bophut’s Fisherman’s Village runs Monday, Wednesday, and Friday evenings, turning the village’s main lane into a row of food stalls, local crafts, and live music. It’s a better evening food option for travelers staying in Chaweng or Lamai than the more tourist-oriented stalls directly on those beaches.
Most operators run small-group departures that fill up, so reserving ahead is worth it if the timing matters to your day. Browse Koh Samui ATV and jungle safari tours on Klook.
Most visitors can cover the Big Buddha, Wat Plai Laem, and an Ang Thong Marine Park day tour in 2–3 days. Add a day if you also want to visit Namuang Waterfall, Hin Ta and Hin Yai, and a Fisherman’s Village market night.
Yes — it’s widely considered Koh Samui’s single best excursion, with limestone island scenery comparable to Krabi and Phang Nga Bay, plus kayaking and snorkeling built into most tours.
The Big Buddha (Wat Phra Yai) is a 12-meter golden Buddha statue on a small island connected to Koh Samui by causeway, one of the island’s most recognizable landmarks and free to visit.
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