Best Beaches in Koh Samui
16 places found in Koh Samui
Koh Samui's beaches wrap around the entire island, each with a distinct character. Chaweng Beach is the longest and most popular — 7 km of white sand with beach bars, water sports, and beachfront dining.
Where to stay in Koh Samui
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Taling Ngam Beach
The southwest coast is the Samui most visitors never see, and this is its flagship beach: a long, quiet stretch of village shoreline with shallow water, fishing boats, and sunset views out to the Five Islands that end the day better than anywhere on the east coast.

Silver Beach (Crystal Bay)
Small, boulder-framed and almost absurdly photogenic, this is the cove everyone means when they talk about Samui's prettiest quick swim.

Ban Tai Beach
A calm stretch of sand for people who want to swim, eat and do very little else.

Bang Po Beach
Quiet north-coast sand where the sea stays calm and a lunch order gets you a beach chair.
Choeng Mon Beach
Water so flat it looks like a lake, and a sandbar where waves from both sides collide.
Coral Cove Beach
A small rocky cove with proper snorkeling, best before the 10am crowd rolls in.

Maenam Beach
Samui's quiet north coast, calm water and palms, though the sand quality shifts as you walk it.

Lamai Beach
Chaweng's calmer sibling: long, clean sand, easy swimming, and coconut shacks instead of five-star polish.

W Beach
A tranquil palm-fringed beach on Koh Samui split between a private hotel section and a public stretch with water sports.

Chaweng Noi Beach
Quieter than its big neighbor, with clear water and rock formations, but sea lice can spoil a few days.
Bo Phut Beach
Come for sunset drinks and seafood with a view, not for a swim, and you'll get the best of it.

Lipa Noi Beach
Come for the sunset, bring your own snacks, and don't expect much in the way of beach bars.

Chaweng Beach
The island's longest, loudest stretch of sand, and it makes no apology for it.

Thongson Beach
A sheltered, quiet beach on Koh Samui with calm waters, palm shade, and a noticeably relaxed atmosphere.

Bangrak Beach
A fine place to walk and eat by the water, but I wouldn't plan on swimming here.

Laem Yai
Clear water, almost nobody about, and a shoreline of rocks and pebbles rather than sand.
About beaches in Koh Samui
Lamai is more laid-back with better snorkeling at its rocky southern end.
The northern beaches offer tranquility. Maenam has shallow, calm water perfect for families and paddleboarding. Bophut's Fisherman's Village combines a narrow beach with the island's most charming pedestrian strip. For something secluded, explore the southern coast around Thong Krut.
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Frequently Asked Questions
Which Koh Samui beach is best for swimming?
Chaweng and Lamai have the best swimming — long, sandy, with gradual depth. Maenam is excellent for families (very shallow). Bophut is narrow with a rocky bottom in places.
Are Koh Samui beaches crowded?
Chaweng gets busy, especially December-February. Lamai is less crowded. Maenam and Bophut are rarely packed. For empty sand, head to Lipa Noi on the west coast or Thong Krut in the south.
Is Koh Samui good for beach holidays with kids?
Excellent. Maenam's shallow water is ideal for young children. Chaweng has the most facilities and beachfront restaurants. Several resorts offer kids' clubs and family-oriented beach activities.