Before it on the ring road
Coral Cove
1.5 km north of Silver Beach (Crystal Bay)
Coral Cove on Koh Samui's east coast is a ~180 m boulder bay with a free shore reef.
Right now
Month by month
Pick a month. The water, the swim call, the crowds and the sun all follow your pick, here and further down the page.
CalmChoppyRough Rain
Dip January
A short dip in choppy water
The sea on this coast turns choppy this month and the shallows can go murky. Stay in your depth.
East coast Sea 28 °C Sunrise 06:40 Choppy
Swim February
Good swimming water
Calm sea on this coast this month. Swim within your depth: there is no lifeguard on most Samui beaches.
East coast Sea 28.5 °C Sunrise 06:39 Calm
Swim March
Good swimming water
Calm sea on this coast this month. Swim within your depth: there is no lifeguard on most Samui beaches.
East coast Sea 29 °C Sunrise 06:27 Calm
Swim April
Good swimming water
Calm sea on this coast this month. Swim within your depth: there is no lifeguard on most Samui beaches.
East coast Sea 30 °C Sunrise 06:10 Calm
Swim May
Good swimming water
Calm sea on this coast this month. Swim within your depth: there is no lifeguard on most Samui beaches.
East coast Sea 30 °C Sunrise 05:59 Calm
Swim June
Good swimming water
Calm sea on this coast this month. Swim within your depth: there is no lifeguard on most Samui beaches.
East coast Sea 30 °C Sunrise 06:00 Calm
Swim July
Good swimming water
Calm sea on this coast this month. Swim within your depth: there is no lifeguard on most Samui beaches.
East coast Sea 29.5 °C Sunrise 06:07 Calm
Swim August
Good swimming water
Calm sea on this coast this month. Swim within your depth: there is no lifeguard on most Samui beaches.
East coast Sea 29.5 °C Sunrise 06:11 Calm
Stay out September
Stay on the sand
Rough water on this coast this month. Watch the flags and keep out of the waves.
East coast Sea 29 °C Sunrise 06:09 Rough
Stay out October
Stay on the sand
Rough water on this coast this month. Watch the flags and keep out of the waves.
East coast Sea 29 °C Sunrise 06:07 Rough
Stay out November
Stay on the sand
Rough water on this coast this month. Watch the flags and keep out of the waves.
East coast Sea 29 °C Sunrise 06:14 Rough
Dip December
A short dip in choppy water
The sea on this coast turns choppy this month and the shallows can go murky. Stay in your depth.
East coast Sea 28.5 °C Sunrise 06:28 Choppy
Swim
Year-round
Enough depth to swim close to shore in every month of the year.
Snorkel
Sea
ChoppyCalmCalmCalmCalmCalmCalmCalmRoughRoughRoughChoppy
28 °C water, 125 mm of rain on 8 days.28.5 °C water, 65 mm of rain on 4 days.29 °C water, 115 mm of rain on 5 days.30 °C water, 85 mm of rain on 6 days.30 °C water, 130 mm of rain on 11 days.30 °C water, 135 mm of rain on 10 days.29.5 °C water, 115 mm of rain on 11 days.29.5 °C water, 100 mm of rain on 10 days.29 °C water, 120 mm of rain on 11 days.29 °C water, 295 mm of rain on 16 days.29 °C water, 445 mm of rain on 16 days.28.5 °C water, 265 mm of rain on 12 days.
Calm February to August
Sand
White, fine
Soft, fine sand underfoot, easy on bare feet.
No tidal flats
Crowds
Almost no one
Peak season on the island: more people on every beach.Peak season on the island: more people on every beach.Shoulder season: a steady trickle of visitors.Shoulder season: a steady trickle of visitors.Low season island-wide. You may have long stretches to yourself.Low season island-wide. You may have long stretches to yourself.Shoulder season: a steady trickle of visitors.Shoulder season: a steady trickle of visitors.Low season island-wide. You may have long stretches to yourself.Low season island-wide. You may have long stretches to yourself.Low season island-wide. You may have long stretches to yourself.Peak season on the island: more people on every beach.
Island busy this month
Sunrise
06:4006:3906:2706:1005:5906:0006:0706:1106:0906:0706:1406:28
Comes up behind the island's own hills, about 0.2 km away: light first, sun later.Comes up behind the island's own hills, about 0.2 km away: light first, sun later.Comes up straight out of open water.Comes up straight out of open water.Comes up straight out of open water.Comes up straight out of open water.Comes up straight out of open water.Comes up straight out of open water.Comes up straight out of open water.Comes up straight out of open water.Comes up behind the island's own hills, about 0.2 km away: light first, sun later.Comes up behind the island's own hills, about 0.2 km away: light first, sun later.
Kids
2 of 3
Shallow, gentle water for wading. No lifeguard, so stay close.
Kids rating
Food
5 places
Silver Beach Restaurant, Crystal Bay Beach Club, Crystal Bay Yacht Club Restaurant
Mid-range prices
After dark
Nothing
No bars and no lights. For a night out, head to Chaweng or Bophut.
Nightlife rating
The story
15 min read
Key facts
Silver Beach (Crystal Bay) is a free-to-enter, 250-meter crescent of white sand on Koh Samui’s east coast, best known for easy shore snorkeling among granite boulders. It is tucked between the popular beaches of Chaweng Noi to the north and Lamai to the south. Known interchangeably as Crystal Bay, Thongtakian Beach, or by its Thai name Haad Thong Ta-Khian (the beach of the Ta-Khian trees), this intimate cove delivers what many of Samui’s larger beaches cannot: Caribbean-quality water clarity in a sheltered, crowd-free setting.
The beach sits at the base of a rocky headland, flanked by granite boulders on both ends that create natural snorkeling reefs. These rock formations are Silver Beach’s signature: they break the waves, keep the water calm, and harbor some of the best shore-accessible marine life on the island. The turquoise water here is startlingly clear, with visibility often reaching 10-15 meters even without a boat trip.
Unlike Chaweng or Lamai, Silver Beach has no road running along its shore. Access is through a few small resorts that share the cove, which keeps the atmosphere intimate and uncommercial. Even in peak season, you will rarely find more than a few dozen people on the sand.
Yes, if you want a small, clear-water cove for snorkeling and a quiet half day; skip it if you want a long beach, nightlife or lots of shade and facilities. You can swim at Silver Beach: the central strip is sandy and calm, while the rocky ends are for snorkeling rather than swimming. The beach is public and free. You reach it on foot from the ring road through the grounds of one of the small resorts, down a steep approach (steps and a narrow road), so it suits confident walkers better than anyone with a pushchair or limited mobility. Expect reef shoes, cash and little else on site.
Near Coral Cove and Lamai, it pairs well with a wider east coast day. If you are choosing between coves, Thongson Bay and Choeng Mon are quieter swimming alternatives on the north-east coast.
Silver Beach is small. At 250 meters, you can walk its entire length in under 5 minutes. But what it lacks in size, it makes up for in quality. The sand is fine, white, and genuinely soft: noticeably better than the coarser sand at Lamai or Bophut. The beach slopes gently into the sea, reaching swimmable depth (about 1.5 meters) within 8-10 meters from shore.
The northern section is the widest part of the beach and where most sunbathers set up. A few palm trees and casuarina pines provide natural shade along the treeline. This is also where you will find the main beach restaurant and sun lounger rentals.
The middle of the beach is the best swimming zone: a clear stretch of sand free from rocks, with the calmest water in the cove. The seabed here is mostly sand, making it comfortable for wading and safe for children.
The southern section narrows against a rocky headland. Large granite boulders extend into the water, creating the natural reef that makes Silver Beach famous for snorkeling. Crystal Bay Yacht Club occupies this end of the beach, with its restaurant and dive center built into the hillside above.
The defining feature of Silver Beach is its boulders. Smooth, grey granite rocks (some the size of small cars) sit both on the sand and in the shallows. They create a dramatic visual contrast with the white sand and turquoise water, and they are the reason the snorkeling here is exceptional. Underwater, these rocks are coated in coral growth and serve as habitat for dozens of fish species.
Silver Beach faces northeast, which means it is sheltered from the prevailing southwest monsoon winds that batter the west coast. The cove’s enclosed shape and flanking rock formations further calm the water. On most days, the surface is nearly flat: ideal for swimming and snorkeling. Water temperature stays between 28-30 degrees Celsius year-round.
Silver Beach is consistently rated as one of the best (if not the best) shore snorkeling spots on Koh Samui. The combination of clear water, rocky reef structure, and sheltered conditions creates a natural aquarium just meters from the sand.
The prime snorkeling areas are the rocky zones at both ends of the bay. The southern rocks (near Crystal Bay Yacht Club) tend to have the most diverse marine life, with larger coral formations and deeper pockets between boulders. The northern rocks are slightly shallower and better suited for beginners.
Swim out from either end of the beach along the rock line, staying in the 1-3 meter depth zone. The best coral and fish concentrations are typically 10-20 meters from shore.
Snorkel sets (mask, snorkel, fins) are available from beachfront vendors for approximately 150 THB (~4.50 USD) per hour or 300 THB (~8.50 USD) for a full day. Quality varies: if you are serious about snorkeling, bring your own mask for a better seal and clearer vision.
Silver Beach is not an activity-packed beach. Its appeal is precisely the opposite: a quiet cove for swimming, snorkeling, and doing very little. That said, there are a few things beyond the snorkel mask.
Silver Beach has a handful of beachfront restaurants: all attached to the resorts that share the cove. The dining scene is small but surprisingly good, with fresh seafood as the focus.
| Restaurant | Cuisine | Price Range | Known For |
|---|---|---|---|
| Silver Beach Restaurant | Thai, seafood | $-$$ | Beachfront tables on the sand, fresh grilled fish, coconut curries |
| Crystal Bay Beach Club | Thai, international | $$-$$$ | Live music evenings, beachfront pool, cocktails at sunset |
| Crystal Bay Yacht Club Restaurant | Thai, Western | $$-$$$ | Elevated terrace with panoramic bay views, imported steaks |
| Thongtakian Resort Restaurant | Thai | $ | Budget-friendly local dishes, simple beach setting |
Silver Beach sits between two of Samui’s major beach areas, putting several popular attractions within easy reach.
Silver Beach has just four properties directly on the sand: this is part of what keeps it quiet. All are long-established, mid-range operations rather than luxury mega-resorts.
| Property | Category | Price Range | Highlights |
|---|---|---|---|
| Crystal Bay Beach Resort | 3-star | 2,000-5,000 THB (~57-143 USD)/night | Largest property on the beach, pool, restaurant, directly on central sand |
| Silver Beach Resort | 3-star | 1,500-4,000 THB (~43-114 USD)/night | Family-run, beach bungalows, restaurant, quiet atmosphere |
| Thongtakian Resort | Budget-mid | 1,000-2,500 THB (~29-71 USD)/night | Most affordable beachfront option, basic but clean |
| Crystal Bay Yacht Club | 3-4 star | 3,000-8,000 THB (~86-229 USD)/night | Southern end, dive center, beach club, upscale for the area |
For the lowest prices, stay in Lamai (5 min south) where hostels start from 400 THB (~11 USD)/night and guesthouses from 800 THB (~23 USD)/night. Visit Silver Beach as a day trip: access is free even without a resort booking.
Silver Beach is on Koh Samui’s east coast, roughly halfway between Chaweng and Lamai. It is well-signposted from the ring road (Route 4169).
The airport is on the north-east of the island: about 20-30 minutes by car.
From the ring road, follow the signs for “Silver Beach” or “Crystal Bay.” A narrow, steep access road and steps lead down to the beach through the resort grounds. If riding a scooter, take it slow: the incline combined with loose gravel can be tricky.
Parking: Free parking areas are available near the resort entrances. Space is limited during peak season weekends.
Rent a scooter (200-300 THB/day) to explore the east coast at your own pace. The ring road connects Silver Beach to all major beaches and attractions. Make sure your travel insurance covers motorcycle riding.
| Season | Months | Conditions | Rating |
|---|---|---|---|
| Peak / Dry | Dec - Feb | Sunny, calm seas, best snorkeling visibility | |
| Hot | Mar - May | Hotter, occasional afternoon showers, still good visibility | |
| Inter-monsoon | Jun - Aug | Mixed weather, generally swimmable, some murky days | |
| Monsoon | Sep - mid-Nov | Heavy rain possible, reduced visibility, stronger currents |
Silver Beach is excellent for families with children who can swim. The water is calm, clear, and shallow near shore. However, the rocky sections require supervision: sharp rocks and sea urchins mean toddlers need close attention. The central sandy section is the safest zone for small children.
| Traveler Type | Fit | Why |
|---|---|---|
| Snorkelers | Best shore snorkeling on Koh Samui: clear water, easy access, diverse marine life | |
| Couples | Intimate, romantic cove with beautiful scenery and quiet atmosphere | |
| Photographers | Granite boulders, turquoise water, and lush headlands create stunning compositions | |
| Families (kids 6+) | Calm water, fascinating snorkeling for older kids; rocky sections need supervision | |
| Day trippers | Perfect half-day excursion from Chaweng or Lamai; free beach access | |
| Budget travelers | Free access, cheap snorkel rental; accommodation on-site is mid-range | |
| Party seekers | No nightlife, no bars, no noise: this is a nature beach | |
| Families (toddlers) | Rocky edges require constant supervision; limited shade and facilities |
Yes. Although the beach is accessed through resort grounds, it is public land and free for anyone to visit. You do not need to be a resort guest. Simply follow the signs from the ring road, park in the available spaces, and walk through to the sand. Sun lounger rental is the only cost if you want one.
Silver Beach is far superior. Chaweng has almost no snorkeling due to its sandy seabed and boat traffic. Silver Beach’s granite boulders create natural reef habitat with clear water and abundant fish species including clownfish, angelfish, and parrotfish. It is widely considered the best shore-accessible snorkeling on Koh Samui.
Absolutely. Silver Beach is only 15 minutes south of Chaweng by taxi (200-300 THB). Arrive in the morning for the best snorkeling visibility, have lunch at one of the beachfront restaurants, and return in the afternoon. A half-day is plenty of time to enjoy the cove.
The central section of the beach has a gentle slope with calm, shallow water that is comfortable for wading. However, the main attraction is snorkeling, which requires basic swimming ability. Non-swimmers can enjoy sunbathing, beach massage, and the beautiful scenery without entering deep water.
December through February offers the best combination of calm seas, clear visibility, and sunny weather. For the best daily experience, arrive before 10 AM when the water is clearest and the beach least crowded. Avoid September through November when monsoon rains can reduce visibility significantly.
Turn off the ring road (Route 4169) at the Silver Beach or Crystal Bay signs, between Chaweng and Lamai. Park near the resort entrance and walk down the steps or the steep access road through the resort grounds to the sand. It is about 15 minutes from Chaweng and 5-10 minutes from Lamai by car.
Yes. The sand is public and free, even though the approach runs through private resort grounds. Only sun loungers, gear rental and food cost money.
Nearby
What is near
The nearest temples, waterfalls, hikes and beaches, each with the straight-line distance and direction. Point at a name to find its pin.
Getting hereStraight-line distances to the places most visitors come from.
Sunrise
From the sand
Silver Beach (Crystal Bay) looks east. Pick a month to see where the sun meets the horizon, and what stands in front of it.
06:40January06:39February06:27March06:10April05:59May06:00June06:07July06:11August06:09September06:07October06:14November06:28December
Sun bearing from the middle of the beach, computed from its coordinates and the coastline outlines, mid-month.
This coast
Along the ring road
Silver Beach (Crystal Bay) is No. 20 of 34 round the ring road. Next door: Coral Cove one way, Laem Nan Beach the other.
Route 4169, the ring road, runs behind every beach on this stretch
Before it on the ring road
1.5 km north of Silver Beach (Crystal Bay)
Coral Cove on Koh Samui's east coast is a ~180 m boulder bay with a free shore reef.
After it on the ring road
0.8 km south of Silver Beach (Crystal Bay)
Laem Nan Beach on Koh Samui: a 700 m resort cape between Chaweng Noi and Lamai.