Koh Samui is one of the most popular islands in the Gulf of Thailand, offering a wide range of activities: nature excursions, ethical animal experiences, cultural attractions, and wellness opportunities.
What to do in Koh Samui?
Interactive Map of Activities in Koh Samui
List of Activities to Do
For each activity, the table below shows an indicative price, target audience, and a satisfaction rating based on traveler reviews when available. Prices vary by season and currency (1 € ≈ $1.10 as of August 2025).
| Activity | Indicative Price* | For Whom? | Rating (Reviews) | Link |
|---|---|---|---|---|
| Elephant Sanctuary and Jungle Tour | ≈ $57 / person | Families, animal welfare advocates | 4.7 / 5 | Book Now |
| Samui Zipline & Tree Bridge | ≈ $55 / person | Adventurers, families | 4.9 / 5 | Book Now |
| Quad Bike Safari (ATV) | ≈ $53 / person | Thrill-seekers | 4.7 / 5 | Book Now |
| Mu Ko Ang Thong Cruise (kayak & snorkel) | From $36 / person | Nature lovers, kayakers | 4.3 / 5 | Book Now |
| “Pig Island” & Snorkeling Excursion | ≈ $50 / person | Families, islet lovers | 4.5 / 5 | Book Now |
| Elephant Feeding and Bathing Experience | ≈ $62 / person | Families, animal advocates | 4.9 / 5 | Book Now |
| Tree Bridge Zipline & Cafe | ≈ $56 / person | Families, adrenaline junkies | 4.8 / 5 | Book Now |
| Ang Thong – VIP Cruise | ≈ $143 / person | Couples, comfort-seekers | 4.9 / 5 | Book Now |
| Ang Thong Boat Tour (with meal) | ≈ $37 / person | Adventurers, budget travelers | 4.4 / 5 | Book Now |
| Highlights Tour (½ day) | ≈ $27 / person | First-time visitors, families | 4.6 / 5 | Book Now |
| 4×4 Safari (Mr Ung’s) | ≈ $50 / person | Off-road enthusiasts | 4.6 / 5 | Book Now |
| Koh Tan & Madsum – speedboat & snorkel | ≈ $46 / person | Snorkeling enthusiasts | 4.2 / 5 | Book Now |
| Sanctuary Entry and Elephant Feeding | ≈ $26 / person | Visitors in a hurry, families | 4.6 / 5 | Book Now |
| Jetski Safari (Pig & Virgin Islands) | ≈ $199 per group (2 p.) | Groups, speed lovers | 4.6 / 5 | Book Now |
| Thai Cooking Class (various schools) | $70–$82 / person | Foodies, culture enthusiasts | 4.5–5.0/5 | See Courses |
| Elephant Care & Jungle Tour (6 hrs) | ≈ $62 / person | Families, eco-tourists | 4.9 / 5 | More Info |
| Zipline Tours (Tree Bridge, Samui Zipline) | $54–$60 / person | Adventurers | 4.5–4.9/5 | Learn More |
| Elephant Sanctuary (official visit) | $82 adults, $41 children | Families, animal advocates | 5 / 5 | Official Website |
| Big Buddha Temple (Wat Phra Yai) | Free (donation) | Cultural travelers | 4.5 / 5 | Learn More |
| Wat Plai Laem Temple | Free; fish food $0.30 | Culture enthusiasts, families | 4.7 / 5 | Learn More |
| Na Muang Waterfall | Free; parking ≈ $0.55 | Families, hikers | 7/10 | Learn More |
| Secret Buddha Garden | ≈ $2.20 / person; free parking | Couples, nature lovers | — (no rating) | Complete Guide |
| Hin Ta & Hin Yai Rocks | Free | Adults, quick sightseeing | — (no rating) | More Info |
| Fisherman’s Village (Bophut) | Free (purchases extra) | Couples, families | 4.8 / 5 | Klook Guide |
| Lamai Viewpoint | ≈ $5.50 / person | Families, backpackers | — (no rating) | Learn More |
| PADI Discover Scuba Diving (Koh Tao/Sail Rock) | ≈ $184 / person | Confident swimmers | 4.5 / 5 | Details |
| Spa – Breeze Spa | ≈ $44 / person | Couples, relaxation | 5.0/5 | Klook |
| Spa – Eranda Herbal Spa | ≈ $63 / person | Holistic treatment lovers | 4.7/5 | Klook |
| Fishing with Mr. Tu (day) | ≈ $48 / person | Fishermen, families | 4.7/5 | Klook |
| Day & Night Fishing Experience | ≈ $43 / person | Fishing enthusiasts | 4.9/5 | Klook |
| Go-karting – EasyKart | ≈ $22 / person | Groups, families | 4.6/5 | Klook |
*Prices are indicative as of August 15, 2025, and may vary depending on the season, chosen option, and exchange rate fluctuations. For activities with several variants (cooking classes, zipline tours, etc.), a price and rating range is provided.
Free things to do in Koh Samui
Discovering Koh Samui without spending is possible. Here are the best free sites (remember to wear decent attire for temples):
1. Big Buddha (Wat Phra Yai)
A 15-meter golden statue (1972) that dominates the north of the island. Free access (donations are welcome), open from dawn to sunset. Highly appreciated by visitors (~4.5/5).
2. Wat Plai Laem
A colorful temple famous for its 18-armed Guanyin statue and its lake. Free entry, fish food bags are about ~$0.30 (10 THB). Open ~6 a.m. – 6 p.m., perfect for families (reviews ~4.7/5).
3. Na Muang Waterfalls (1 & 2)
Stunning waterfalls in the south of the island, free access (parking ~$0.55 or ~20 THB). Best seen after the rainy season. Be sure to bring non-slip shoes.
4. Hin Ta & Hin Yai Rocks
A suggestive geological curiosity, free. Fun for adults, sometimes less suitable for young children.
5. Fisherman’s Village (Bophut)
A former fishing village that has become a lively pedestrian zone: restaurants, shops, and a night market. Free to visit, great atmosphere (~4.8/5), romantic in the evening.
6. Cultural Bonus (slight cost)
Lamai Viewpoint: a funicular to a panoramic view + zipline (optional). Approximately $5.50 (200 THB), popular with families and backpackers.
What to do in Koh Samui when it rains?
- Thai Cooking Class: markets, workshop, meal included (“farm to table” programs).
- Spas & Massages: perfect for relaxing during a downpour.
- Temples: Big Buddha, Wat Plai Laem (bring an umbrella / wear decent attire).
- Shopping & Food Courts: shopping malls (e.g., in Chaweng) to stay dry.
| Idea | Duration | Indicative Budget | For Whom? |
|---|---|---|---|
| Cooking Class | 3–4 h | ~70–82 US$ | Foodies, families |
| Massage / Spa | 1–2 h | ~44–63 US$ | All levels |
| Temples | 1–2 h | Free | Culture, photos |
| Shopping / Food Court | Flexible | Depends on purchases | Heavy rain |
Visiting Koh Samui in 3 days
A simple and effective itinerary to cover the essentials:
| Day | Morning | Afternoon | Evening |
|---|---|---|---|
| Day 1 | Big Buddha & Wat Plai Laem | Hin Ta & Hin Yai + beach | Dinner at Fisherman’s Village (night market) |
| Day 2 | Ang Thong Marine Park Excursion | Kayak / snorkel in the lagoons | Beach bar in Chaweng or Bophut |
| Day 3 | Na Muang Waterfalls | Secret Buddha Garden | Sunset & street food in Lamai |
Tip: Book the Ang Thong excursion for a day with good weather. Bring closed-toe shoes for the waterfalls / secret garden.
The Best Excursions in Koh Samui
1. Ang Thong Marine Park (Ang Thong National Marine Park)
An archipelago of rocky islets, emerald lagoons, and viewpoints. Full-day cruises include transfers, meals, kayaking, and snorkeling. “VIP” options add comfort, attentive service, and less crowded stops. Park entrance fee ~$8 (300 THB) (sometimes not included). Bring water & shoes for the climb to the panoramic viewpoints.
2. 4×4 Safaris & Quad Bike Tours
4×4: Interior jungle, plantations, Na Muang waterfalls, Secret Garden, and panoramic views. Family-friendly trips (~6 h).
Quad: Muddy trails, thrilling experiences, stunning views; often combined with waterfalls / viewpoints.
3. Ziplines
Several parks on the island. Tree Bridge: Platforms above the jungle + a panoramic cafe. Samui Zipline Adventure: A shorter course with included transfers. Age: from ~6 years old, closed-toe shoes are mandatory.
4. Ethical Elephant Sanctuaries
Samui Elephant Sanctuary: A respectful approach (no riding). Half-day tour: presentation, feeding, and observing them bathe. Indicative prices: ~$82 adult (~3,000 THB) / ~$41 child ≤ 11 years old (~1,500 THB). A highly-rated experience (≈5/5).
Water Activities
1. Scuba Diving (Discovery & Certified)
The PADI Discover Scuba Diving program: 2 introductory dives (Koh Tao or Sail Rock). Indicative Price: ~$184 (equipment, lunch, 1 instructor/2 divers ratio). Certified divers can easily book multi-day safaris.
2. Snorkeling & Nearby Islets
Koh Madsum (Pig Island) & Koh Tan: Wild beaches, tropical fish. Starting from ~$46 (gear included, sometimes lunch). Jetski safaris are available in small groups.
3. Fishing & Speed Sports
Day / night fishing trips with included gear & meals. Example: the guided “Mr. Tu” tour (friendly atmosphere ~4.7/5) and night fishing (up to ~4.9/5). Go-karting and jetskiing round out the options.
Wellness & Entertainment
1. Cooking Classes
Thai workshops with a market visit, meal preparation, and meal. Programs: “farm to table” ~$70–82, excellent reviews (4.5 to 5/5). Ideal for foodies.
2. Spas & Wellness
Breeze Spa ~$44, rated 5/5; Eranda Herbal Spa ~$63, rated ~4.7/5. Perfect after a day of excursions.
3. Go-karting & Fishing
EasyKart Koh Samui: sessions from ~$22, average rating ~4.6/5. Day / night fishing trips (~$42–48), educational & well-rated.
Quick Price Recap
| Activity | Indicative Price | Often Includes |
|---|---|---|
| Ang Thong Marine Park | Full-day cruise (park fees of ~$8 (300 THB) sometimes extra) | Transfer, meal, kayak, snorkel |
| Discovery Dive (PADI DSD) | ~$184 US$ | Equipment, lunch, instructor |
| Snorkeling Koh Tan / Madsum | ~$46 and up | Gear, sometimes lunch |
| Elephant Sanctuary | ~$82 (adult) / ~$41 (child) | Feeding, observation, briefing |
| Quad (half-day) | Varies by operator | Helmet, guide, breaks |
| Spas | ~$44–63 US$ | Massage / treatments |
What to Do in Koh Samui in the Evening?
As night falls, Koh Samui offers atmospheres for all tastes: gourmet night markets, beach bars with fire shows, dinners with your feet in the sand, as well as family outings and quiet romantic evenings.
1. Night Markets & Street Food
- Fisherman’s Village (Bophut): pedestrian streets, Thai food stalls, souvenirs, live music (ideal for couples/families).
- Lamai Night Market: varied street food, some shopping, relaxed local vibe.
- Chaweng Walking Street (seasonal): more lively, numerous snacks and dessert stalls.
2. Beach Bars & Fire Shows
- Chaweng: beachfront bars, fire shows, music until late.
- Lamai: cooler atmosphere, lounge chairs, sunset cocktails.
- Bophut: more intimate bars, sea views, and refined decor.
3. Seaside Dinner & Rooftops
- Seafood Restaurants (Bophut, Maenam, Lamai): grilled food, curry, vegetarian options.
- Rooftops & Lounges: to admire the sunset with a drink in a chic atmosphere.
4. Evening Family Outings
- Ice cream & crepes in the lively streets (Bophut/Lamai), beach games, soft live music.
- Night markets: safe, varied, and budget-friendly.
5. Nightlife & Clubs
- Chaweng: the festive heart of the island (bars, pubs, clubs). Ideal for dancing and partying.
- Lamai: smaller but friendly, good bars to start the evening.
6. Quiet & Romantic Evening
- Bophut / Fisherman’s Village: lantern-lit dinners, waterfront strolls.
- Maenam: quieter beaches, perfect for a peaceful sunset.
7. What to Do When It Rains at Night
- Cooking class (evening session depending on the school).
- Spas & massages: relax during the rain.
- Malls & Cinemas (Chaweng): restaurants, shops, guaranteed shelter.
| Evening Idea | Recommended Area | Duration | Indicative Budget | Vibe |
|---|---|---|---|---|
| Night Market & Street Food | Bophut / Lamai | 2–3 h | €–€€ | Family-friendly, local |
| Beach Bar & Fire Show | Chaweng / Lamai | 2–4 h | €€ | Lively, festive |
| Seaside Dinner | Bophut / Maenam | 1.5–2 h | €€–€€€ | Romantic, chic |
| Clubbing & Dancing | Chaweng | 3–5 h | €€–€€€ | Nightlife, DJ |
| Spa / Massage (rainy) | Chaweng / Lamai | 1–2 h | €€ | Relaxing, zen |
FAQ
What are the free things to do in Koh Samui?
Several activities are free: visiting iconic temples (Big Buddha, Wat Plai Laem), relaxing on popular beaches like Chaweng, Lamai, or Silver Beach, hiking to panoramic viewpoints (Lad Koh Viewpoint), discovering natural waterfalls (Na Muang 1 and 2), or soaking up the atmosphere of the night markets in Bophut and Lamai. Only food, drinks, or parking are extra.
What activities are ideal for solo travelers in Koh Samui?
Solo travelers particularly enjoy social and sporty activities: quad or buggy tours in the jungle, ziplining and treetop adventures, scuba diving or snorkeling around Koh Tao and Sail Rock, taking a Muay Thai class at a local gym, going to clubs and bars in Chaweng, or watching fire shows on the beaches to meet other travelers.
What attractions can you visit near Manathai Koh Samui?
Manathai Koh Samui, located in Lamai, offers quick access to several points of interest: Lamai Beach, the famous Hin Ta & Hin Yai rocks, Lamai Night Market, Overlap Stone Viewpoint, the peaceful Silver Beach, as well as numerous spas, cooking classes, and typical restaurants in the immediate vicinity.
What is the best month to travel to Koh Samui?
The best time to visit Koh Samui is generally between December and April, during the dry season. February and March offer almost constant sunshine with little rain, making them perfect months to enjoy the beach and excursions. May to September are still pleasant, with only a few showers in the late afternoon.
What are the best places to stay in Koh Samui?
The choice of area depends on your travel style:
- Chaweng: Ideal for those seeking nightlife, entertainment, and shopping.
- Lamai: Quieter than Chaweng, but with many restaurants and a relaxed atmosphere.
- Bophut & Fisherman’s Village: Charming atmosphere with beachfront restaurants and a night market.
- Choeng Mon & Maenam: Perfect for families and travelers seeking tranquility.
When is the rainy season in Koh Samui?
The rainy season is mainly from October to December, with sometimes intense but short-lived downpours. The rest of the year, from May to September, remains relatively dry with only a few tropical showers, often in the late afternoon or at night.
For the best trip preparation, here are some helpful guides: