Lamai Beach: Grandfather Rocks, Muay Thai and Sunday Market
East coast No. 22 of 34

Lamai Beach: Grandfather Rocks, Muay Thai and Sunday Market

By Migues Ferfumoz Updated Show on map
Length
4 km

island's longest: 7 km

Sand
Golden, medium
Swim
Seasonal Moderate
Facing
Sunrise
Airport
25 min from airport

Key facts

  • 4 km long
  • Southeast coast
  • Golden sand
  • Hin Ta Hin Yai rocks
  • Muay Thai camps
  • Sunday night market
  • 25 min from airport
  • 10-20% cheaper than Chaweng

The shore itself

This shore, in section

Sunrise Open sea Sand Back shore Reef
This profile is drawn from the beach's own swim rating, tidal flats, sand grain, snorkel rating and venue count, not a depth sounding.
Every value behind this drawing
MeasurementValue
Open seaSeasonal, Moderate
Tidal flats-
SandMedium, Golden
Reef2 / 3
Back shore6
SunriseSunrise

This beach, month by month

The sea, month by month

Twelve months, one row: rainfall behind, sea temperature above, and this beach's own calm, choppy or rough call for each.

Rain, mm Sea, °C Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Months this beach's own notes call rough are ringed
Sea state, rainfall and temperature by month
Jan Choppy 125 mm 28°C
Feb Calm 65 mm 28.5°C
Mar Calm 115 mm 29°C
Apr Calm 85 mm 30°C
May Calm 130 mm 30°C
Jun Calm 135 mm 30°C
Jul Calm 115 mm 29.5°C
Aug Calm 100 mm 29.5°C
Sep Rough 120 mm 29°C
Oct Rough 295 mm 29°C
Nov Rough 445 mm 29°C
Dec Choppy 265 mm 28.5°C

Overview

Lamai Beach is Koh Samui’s second-largest beach: a 4 km stretch along the southeast coast that hits the sweet spot between lively and laid-back. Its Thai name is Hat Lamai (hat means beach), and the town behind it is simply called Lamai.

Chaweng draws the party crowds and package tourists. Lamai attracts couples, digital nomads, Muay Thai enthusiasts, and travelers who want a Thai beach town at 10-20% lower prices, with calmer evenings and a real local market.

The south end holds Samui’s most photographed natural landmark: Hin Ta Hin Yai (the Grandfather and Grandmother Rocks). The central strip has restaurants, massage shops, and bars. The north end is quieter, with snorkeling among rocky outcrops. Lamai also has the island’s oldest Muay Thai training camps and a Sunday walking street market.

hin ta rock (grandpa rock) at Lamai beach, Ko Samui, Thailand
Lamai Beach: 4 km of golden sand on Samui's quieter southeast coast

Is Lamai Beach Worth Visiting?

Yes, if you want a beach with things to do that is not a party strip. Lamai suits a stay of several days: swim in the central section, see Hin Ta Hin Yai, catch the Sunday market or a fight night, then hike to the viewpoint. It is less suited to visitors who want the whitest sand, the widest choice of restaurants or nightclubs; Chaweng does those better.

What does Lamai mean?

Lamai (ละไม) is a Thai word usually glossed as “gentle” or “tender”, and it is also a common Thai given name. Sources give slightly different origins for the place name, so treat the meaning as a common gloss rather than a settled etymology.


The Three Sections

Lamai divides into three distinct zones, each with its own character.

North Lamai (~2 km)

The quietest section: a winding beach line punctuated by rocky outcrops. More secluded, popular with couples and families seeking peace. The rocks create natural pools and coves that offer Lamai’s best snorkeling. Luxury resorts (Banyan Tree, Renaissance) cluster here.

Central Lamai (~1 km)

The busiest strip, running from the Lamai river to roughly Aloha Resort. This is where the restaurants, bars, shops, and nightlife concentrate. The beach is widest here with the calmest, clearest water: the best swimming conditions. Most mid-range accommodation is within walking distance.

South Lamai (~600 m)

The dramatic end. The beach narrows from ~40 meters down to ~15 meters as it approaches the famous Hin Ta Hin Yai rocks. Rocky scenery, granite boulders, and good snorkeling around the formations. The viewpoint above the rocks is a popular sunset spot.

View of Lamai Bay, Ko Samui
South Lamai's rocky shoreline: where the beach meets the Grandfather Rocks

Hin Ta Hin Yai: Grandfather and Grandmother Rocks

Samui’s most famous natural landmark sits at Lamai’s southern tip: two granite rock formations sculpted by wind and waves into shapes that unmistakably resemble male and female anatomy. Hin Ta (Grandfather Rock) is the male form; Hin Yai (Grandmother Rock) is the female.

The legend

According to local folklore, an elderly couple named Ta Kreng and Yai Riem from Nakhon Si Thammarat province set sail to arrange a marriage for their son. A violent storm seized their boat, and they drowned. Their bodies turned to stone as proof of their devotion: a symbol of eternal love that locals still honor.

Visiting

  • Open daily: no gate, technically accessible anytime (official hours: 8:30 AM-6:30 PM)
  • Free admission: parking 10 THB for scooter
  • Souvenir stalls and food vendors line the path to the rocks
  • Best for photos: Morning or late afternoon for softer light
  • Walk carefully on the wet rocks near the formations

The rocks are a fertility symbol: locals visit to pray for blessings in relationships and childbearing. See Tourism Authority of Thailand’s Hin Ta Hin Yai page for the official listing.


Muay Thai

Lamai is the Muay Thai capital of Koh Samui. The area has the island’s oldest and most respected training camps, plus regular stadium fights that range from tourist-friendly to genuinely professional: see our Muay Thai gyms guide for a full comparison.

Training camps

  • Lamai Muay Thai Camp (WMC): Samui’s oldest camp, operating since 1998. WMC-sanctioned with world champion Thai trainers. All levels from absolute beginner to professional fighter. ~12,000 THB/week, ~40,000 THB/month. On-site accommodation available.
  • Jun Muay Thai: Popular training gym in central Lamai.
  • Wech Pinyo Muay Thai: Authentic camp directly on Lamai Beach.

Fight nights

Stadium Schedule Tickets
Samui International Muay Thai Stadium Tue, Fri, Sun from 9 PM Standard 750 THB, VIP 2,500 THB, Premium 3,000 THB
Phetch Buncha Boxing Stadium Mon, Wed, Sat Ringside 1,950 THB, Standard 1,450 THB

Undercard bouts often feature tourist fighters who trained for a week and took the challenge. Main events showcase professional Thai boxers. The atmosphere is electric: drums, shouting, gambling, beer.


Lamai Night Market

Lamai has two market experiences:

Sunday Walking Street

Every Sunday on Had Lamai Road. Stalls set up from late afternoon: arrive around 5 PM for the best selection. More artisanal and local than Chaweng’s markets.

Food: Pad Thai (40-80 THB), grilled seafood skewers, mango sticky rice, Thai pancakes (rotee), coconut ice cream, fresh fruit shakes. Most dishes 50-150 THB.

Shopping: Handmade jewelry, clothing, coconut oil products, Thai silk, local crafts. Quality is noticeably better than generic tourist markets.

Lamai Night Plaza

Open Wednesday, Thursday, and Sunday, 5-10 PM. A fixed venue with regular vendors: good for midweek market cravings.

Tips: Bring cash (most vendors don’t accept cards). Bargaining is expected at craft stalls but not food stalls.


Activities

Water sports

  • Snorkeling: Best at the north and south ends around rocky formations. Gear rental on the beach.
  • Paddleboarding and kayaking: Available from beach operators, especially central section.
  • Jet skiing: Available but exercise caution. Jet ski scam reports are common on Samui. Book through reputable operators or your hotel.

Wellness

  • Tamarind Springs Forest Spa: Steam caves, rock pools, and jungle setting. Day packages from ~1,800 THB. One of Samui’s most unique spa experiences.
  • Yoga House and Spa: Studio in central Lamai with group and private classes for all levels.
  • Beach massage: Traditional Thai massage from 300-500 THB/hour along the beach and main road.
  • Cooking classes: Thai cooking courses including market visits to source ingredients.

Adventure

  • Lamai Viewpoint: 10-minute rainforest hike to panoramic views over the bay. Heart-shaped “Valentine Stone” along the way. 80-meter zipline at the summit.
  • Coco Splash Adventure Park: Water slides and splash pools. Adults 300 THB, children 200 THB.

Where to Eat

Budget (under 100 THB)

  • Imchai Thai Food: Authentic local prices, genuine Thai atmosphere
  • Night market stalls: 50-150 THB per dish, the best value eating on the beach
  • Street food carts along the main road

Mid-range (200-600 THB)

Restaurant Cuisine Known For
Kob Thai Thai, Seafood Garden setting with private huts, steamed whole fish
Asador BBQ Seafood, BBQ Pavement-side grill, fresh catch on ice display
NO Stress Beach Restaurant European, Seafood Generous portions, comfort food on the sand

Upscale (600+ THB)

  • Baobab Restaurant: French-Thai fusion with beachfront sunset dining
  • Resort restaurants at Banyan Tree, Renaissance, and Le Meridien

Seafood

Fresh catch is everywhere: grilled fish, prawns, squid, crab. Beachfront restaurants display the day’s catch on ice. Prices range from 150 THB at street stalls to 1,000+ THB at upscale venues.


Nightlife

Lamai’s nightlife is the anti-Chaweng: intimate, relaxed, and conversation-friendly. No mega-clubs, no thumping DJs until dawn. Instead: beachfront bars with candles, live bands, reggae, and cocktails with your feet in the sand.

Key venues

  • Swing Bar: Famous swing seats, beachside cocktails, chilled atmosphere
  • Shamrock Irish Pub: Live music, pints, international crowd
  • Beach bars along central Lamai: Candlelit tables on the sand, sunset cocktails
  • Muay Thai fight nights: Cultural nightlife. The stadiums are entertainment events with food, drinks, and gambling atmosphere

Lamai vs. Chaweng nightlife

Chaweng has Soi Green Mango, Ark Bar beach parties, and clubs until dawn. Lamai has none of that, and that’s the point. Choose Lamai if you want drinks and conversation. Choose Chaweng if you want a dance floor. See our full Chaweng vs Lamai comparison for more.


Where to Stay

Lamai offers better value than Chaweng across all price tiers.

By budget

Category Price Range Examples
Budget 735-1,750 THB (~21-50 USD)/night Sallamai Resort, Thai Fight Hotel, guesthouses
Mid-range 1,750-5,250 THB (~50-150 USD)/night Am Samui Palace, Lamai Coconut Beach Resort, Best Resort
Luxury 7,000-17,500+ THB (~200-500+ USD)/night Banyan Tree Samui (from ~18,585 THB (~531 USD)), Renaissance, Le Meridien, The Lamai Samui

Which part of Lamai should you stay in?

  • North Lamai: luxury resorts and quiet beaches, but you need transport for dinner and nightlife.
  • Central Lamai: walkable to restaurants, bars, massage and the market. Best swimming and the busiest evenings, so check room noise if you are a light sleeper.
  • South Lamai: near Hin Ta Hin Yai and the rocky scenery, with a narrower beach that is less suited to swimming with small children.

Check before booking: whether the room is on the sand or across the road, the season (Sep-Nov is the roughest sea on this east-facing coast), and whether transfers from the airport (25-35 minutes) are included.


Lamai Beach Map and Directions

Lamai Beach runs parallel to the ring road (Route 4169) on the southeast coast, about 9-12 km south of Chaweng. Approximate order from north to south: quiet north Lamai with the rocky outcrops, then the central strip around the Lamai river and Had Lamai Road, then the narrowing south end that ends at Hin Ta Hin Yai. Most visitors orient by the central strip and walk or ride from there. Plot the exact spot in any map app: search “Lamai Beach” or “Hin Ta Hin Yai”.


Getting There

From the airport

Transport Cost Time
Shared van 150 THB/person 30-40 min
Taxi 400-600 THB 25-35 min
Private transfer ~475-520 THB (up to 3-4 people) 25-30 min
Grab/Bolt app Varies, often cheapest 25-35 min

From other areas

From Drive Time Taxi Cost
Chaweng 10-15 min 200-400 THB
Nathon (ferry) 30-45 min 400-600 THB
Bophut 25-30 min 350-500 THB

Getting around Lamai

Scooter rental (200-300 THB/day) is the most practical option. Central Lamai is walkable. Songthaews run along the ring road connecting Lamai to Chaweng and Nathon.


Best Time to Visit

Season Months Conditions Rating
Dry Dec-Mar Best weather, 25-30°C, minimal rain, peak prices ★★★★★
Hot Apr-Aug Hotter, refreshing afternoon showers, fewer crowds ★★★★
Monsoon Sep-Nov Heaviest rain, rough seas, red flags common, lowest prices ★★

Lamai-specific notes

  • The beach faces east: sunrise views are stunning from December through March. The sun does not set over the sea here; for a sunset go to the viewpoint above the rocks or the west coast
  • Monsoon season (Sep-Nov) brings the roughest seas to this east-facing coast
  • April to August is the best value window: decent weather at significantly lower prices
  • Sunday night market runs year-round regardless of weather

Practical Tips

Essentials

  • Jet ski warning: Scam reports are common. Operators claim pre-existing damage and demand 10,000-30,000 THB. Book through your hotel or a reputable tour operator, never directly on the beach.
  • ATMs: 220 THB foreign withdrawal fee. Bring cash from home or withdraw larger amounts less frequently.
  • Scooter safety: Always wear a helmet. Lamai’s roads are quieter than Chaweng but accidents happen. Get motorcycle travel insurance.

For digital nomads

Lamai has a growing nomad community with dedicated coworking:

  • Be Productive: 2 min from beach, CO2-controlled rooms, ergonomic chairs, 24/7 access, “quiet work” enforced
  • Mawin Cafe and Coworking: Hot desk just 30 THB/day, possibly Samui’s cheapest
  • KohWorking: Fast WiFi, standing desks, meditation rooms, swimming pool, complimentary snacks

Monthly cost of living: 28,000-52,500 THB (~800-1,500 USD) for comfortable nomad life (coworking, apartment, food, scooter).

For families

Central Lamai has calm, clear water suitable for children. Hin Ta Hin Yai is a fun excursion. Coco Splash water park keeps kids entertained. Avoid the rocky north end for swimming with small children.


Who Is Lamai Best For?

Traveler Type Fit Why
Couples ★★★★★ Romantic, intimate, beautiful sunrises, beachfront dining
Digital nomads ★★★★★ Affordable coworking, low cost of living, chill lifestyle
Muay Thai seekers ★★★★★ Island’s oldest camps, regular stadium fights, training packages
Budget travelers ★★★★★ 10-20% cheaper than Chaweng across the board
Families ★★★★ Calm central beach, kid-friendly activities, Hin Ta Hin Yai
Wellness seekers ★★★★ Tamarind Springs spa, yoga studios, beach massage
Foodies ★★★★ Sunday market, fresh seafood, local Thai food at real prices
Party seekers ★★ Nightlife is chill: go to Chaweng for clubs
hin ta hin ja Lamai Beach koh samui
The Kingston Jamaica Bar by Beyazıt Arıcan oposite 7'11
lamai koh samui beach
Lamai Beach, Koh Samui
Hin ta (grandfather rock) at Lamai Beach in Ko Samui island, Thailand
A leaning palm over the sandbar at low tide on Lamai Beach
Palm trees lining the shore at Lamai Beach
Lamai Beach: Koh Samui

FAQ

Is Lamai Beach worth visiting?

Yes, for a laid-back beach with Hin Ta Hin Yai, Muay Thai camps, a Sunday walking street and prices 10-20% below Chaweng. Skip it if you want nightclubs or the widest choice of dining. Lamai Beach is about 4 km long, with the calmest swimming in the central section.

Is Lamai Beach better than Chaweng?

Different, not better. Lamai is quieter, 10-20% cheaper, more authentic, and better for couples, nomads, and Muay Thai fans. Chaweng has whiter sand, bigger nightlife, more shopping, and more international dining. Choose Lamai for laid-back; Chaweng for action.

What are the Grandfather and Grandmother Rocks?

Hin Ta Hin Yai are natural granite formations at Lamai’s southern tip, shaped by erosion into forms resembling male and female anatomy. Local legend says they’re an elderly couple who drowned at sea and turned to stone. Free to visit, best photographed in morning or late afternoon light.

Can I train Muay Thai at Lamai Beach?

Yes: Lamai has Samui’s best training camps. Lamai Muay Thai Camp (WMC) has been operating since 1998 with world champion trainers. All levels welcome. Approximately 12,000 THB/week or 40,000 THB/month, with on-site accommodation available.

When is the Lamai night market?

The main Sunday Walking Street runs every Sunday on Had Lamai Road from late afternoon. The Lamai Night Plaza operates Wednesday, Thursday, and Sunday, 5-10 PM. Bring cash: most vendors don’t accept cards.

How far is Lamai from Chaweng?

About 10-15 minutes by car (9-12 km). By songthaew: 50-100 THB. By taxi: 200-400 THB. Easy to visit both beaches in one trip.

Is Lamai good for digital nomads?

Excellent. Dedicated coworking spaces (Be Productive, KohWorking, Mawin Cafe) with fast WiFi from 30 THB/day. Monthly living costs of 28,000-52,500 THB (~800-1,500 USD) including apartment, food, coworking, and scooter. Quieter and cheaper than Chaweng with a growing nomad community.

About the author

Migues Ferfumoz

Migues Ferfumoz

Writer, Koh Samui resident since 2019

Freelance writer and Koh Samui resident since 2019. Migues covers local culture, food, and the best off-the-beaten-path destinations on the island.

Articles by Migues →

Mentioned in Island Life

The lay of the land

Getting your bearings

A fan of lines from this beach to the airport and three reference points, each labelled with the straight-line distance.

25 min from the airport

Along this coast

Along the coast

This beach's stretch of coast, with the neighbour on each side and where it sits along the ring road.

Strip of this coast's beaches in ring-road order, this beach's tick marked, with one neighbour on either side.
15. Choeng Mon Beach, Koh Samui1 km
16. Tong Sai Bay Beach0.1 km
17. Chaweng Beach7 km
18. Chaweng Noi Beach1 km
19. Coral Cove Beach0.18 km
20. Silver Beach0.25 km
21. Laem Nan Beach0.7 km
22. Lamai Beach4 km
23. Hua Thanon Beach1.5 km

What's nearby

Behind the sand

The nearest temple, waterfall, hike and beach from here, each with the real distance and direction.