Skip to main content
Visit Thailand Today
Ko Samui
Beaches & Islands
Koh Samui

Ko Samui

4.5(3,459 reviews)

Sitting in the Gulf of Thailand, Ko Samui is one of the country's most celebrated islands, drawing visitors with its combination of picturesque white-sand beaches, dense tropical rainforest, and a relaxed yet lively atmosphere. The island balances natural beauty with well-developed tourism infrastructure, offering everything from upscale beachfront hotels to bustling bars and restaurants that line the shore well into the night. Cultural highlights include the iconic Big Buddha Temple, while the surrounding waters provide ample opportunity for boat tours and water-based activities. Visitors consistently describe the island as having a warm, welcoming character with a family-friendly atmosphere alongside its more social beach scene. The beaches are the centrepiece, with golden sands and calm, clear waters, but the island rewards those who venture further inland to explore its forested interior and scenic viewpoints. A wide range of dining and nightlife options keeps the energy lively after dark without overwhelming the overall sense of calm that defines daily life here. Ko Samui is accessible year-round, though the best conditions for beach activities generally fall between December and April, when rainfall is lower and skies are clearer. The island experiences a wet season from October through December, which can bring heavy showers and rougher seas. Travellers planning water activities or boat tours are advised to check seasonal weather conditions before booking, as experiences can vary significantly depending on the time of year.

Experience hints

Visitor favorite

Visitor Reviews

Ko Samui island is a must visit place when you are planning your trip to Thailand. The island is amazing with beautiful beaches, lively people & places , scenic beauty, nature & temples , wonderful flee markets & food markets . Overall a blend of everything you come to experience in Thailand. The night life is also amazing at the chaweng beach 🏖️. You can reach this place by speed boats , ferry ⛴️ or by air also as it has it's own airport as well. It is also famous for its full moon parties as well. The place has wonderful food joints , cocktail joints beside the road which are also really amazing.

Wonderful island 🏝️ golden sands lots bars and restaurants lots activities available on beach ⛱️ and boat tours , bars and restaurants stretch the length of the beach open all day and nights, excellent bars and restaurants, shops , night market available in city centre very easy to transfer from ferry or plane on to the island bus transfer available also at pier and airport highly recommend visiting

immaculate, island! truely paradise! no where else on earth, is alike! don’t miss out. visiting, improved my life. Thailand, is engraved in me! it’ll forever remain a island, unlike any others!!!

Visitor Information

Best time to visit

January – August

Avoid: October – December (Gulf Coast monsoon)

Rainy season

October – December

Avg. temperature

24°C – 32°C(75°F – 90°F)

Crowds

High

Peak: July – August & December

Getting there

Koh Samui Airport (USM) has direct flights from Bangkok and regional hubs (Bangkok Airways monopoly). Ferry from Surat Thani takes ~1.5 hrs — a cheaper option.

Getting around

  • Songthaews (fixed routes around the ring road)
  • Motorbike or scooter rental
  • Taxis (metered or negotiate upfront)
  • Grab available in main areas

Where to stay near Ko Samui

Find hotels in Koh Samui on the booking sites travellers trust most.

We may earn a commission from bookings made through these links — at no extra cost to you. Learn more.

Tips for Visiting Beaches & Islands

Check Monsoon Seasons

The Andaman coast (Phuket, Krabi) has rough seas from May to October. The Gulf coast (Koh Samui, Koh Phangan) is roughest from October to December. Plan your island-hopping around these windows.

Snorkel Gear Is Cheap to Buy

Rental gear is often scratched and ill-fitting. Buy a decent mask and snorkel at a Tesco Lotus or Big C for 300–500 THB — cheaper than two days of rentals and much more hygienic.

Book Ferries on 12Go.Asia

The 12Go platform lets you compare ferry operators, times, and prices between islands. Book a day or two ahead in high season. Avoid the cheapest operators if reviews mention safety concerns.

Also Popular in Koh Samui

Wat Phra Yai

Wat Phra Yai

4.5(10,822)
H3C6+87P, Bo Put, Ko Samui District, Surat Thani 84320, Thailand

A iconic gilded Buddha statue from 1972 sits atop a hilltop temple complex with panoramic sea views.

Central Samui

Central Samui

4.4(10,624)
209 209/1-2 หมู่ที่ 2 ตำบล บ่อผุด Tambon Bo Put, Amphoe Ko Samui, Chang Wat Surat Thani 84320, Thailand

Koh Samui's largest mall, with indoor and open-air wings, international brands, a food court, and a staffed children's play area.

Hin Ta Hin Yai

Hin Ta Hin Yai

4.2(10,602)
92 84310 126/92 Moo 3 Tambon Maret, Amphoe Ko Samui, Chang Wat Surat Thani 84310, Thailand

Free-entry coastal rock formations on Lamai Beach, famous for their striking natural shapes and scenic ocean views.

THE COCOON - SAMUI VIEWPOINT

THE COCOON - SAMUI VIEWPOINT

4.7(8,818)$$$$
33, 67, Tambon Bo Put, Amphoe Ko Samui, Chang Wat Surat Thani 84320, Thailand

Hilltop restaurant and bar in Koh Samui with panoramic jungle and ocean views, iconic hanging nets, and all-day dining.

Similar Beaches & Islands Across Thailand

Patong Beach
Featured

Patong Beach

4.3(45,000)
Patong, Kathu District, Phuket 83150

Phuket's most famous 3km beach on the Andaman Sea, buzzing with water sports, dining, and nightlife.

Mu Ko Similan National Park
Featured

Mu Ko Similan National Park

4.7(4,574)
MJ4X+XH2, Tambon Lam Kaen, Amphoe Thai Mueang

A remote national park archipelago off Phuket's coast, famed for turquoise waters, white sand, and world-class diving.

Ko Samet
Featured

Ko Samet

4.3(2,022)
Phe, Mueang Rayong District

A compact island near Rayong offering white sand beaches, clear waters, and coral reefs within easy reach of Bangkok.

Koh Chang
Featured

Koh Chang

4.6(1,385)
Koh Chang

A large, jungle-covered island in eastern Thailand offering beaches, waterfalls, diving, and hiking trails.