I took a speedboat from Ban Phe on a choppy afternoon, checked into a bungalow at Ao Wong Duan, ate the best fried sea bass of my life at the beachfront restaurant, and spent two days doing almost nothing except swimming, eating and playing fetch with dogs. That was the point.
The lunch was a plate of fried sea bass with garlic and chilli, a tom yum with prawns still curling from the heat, and a cold Singha on a plastic table with sand under my feet.
It cost less than the Starbucks I had at the petrol station three hours earlier. That is Koh Samet in one meal: no pretence, no filter, and better than it has any right to be for an island this close to Bangkok.
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What to Do in Koh Samet
Koh Samet (also spelled Ko Samet) is a small island in the Gulf of Thailand, off the coast of Rayong Province, approximately 200 kilometres southeast of Bangkok by road.
It is part of the Khao Laem Ya-Mu Ko Samet National Park, which means the entire island is protected land. The name comes from the cajeput tree (known locally as ton samet), a white-barked tree that once dominated the landscape.
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The island has an older name, too. In Phra Aphai Mani, one of Thailand’s longest epic poems, written by Sunthorn Phu between 1822 and 1844, the island appears as Ko Kaew Phitsadan, or “Magic Crystal Island.” Sunthorn Phu is Thailand’s most celebrated poet, honoured by UNESCO in 1986 on the bicentennial of his birth as “a great world poet.”
A bronze statue of the poem’s main character, Prince Aphai Mani, and a mermaid stands at Hat Sai Kaew, the island’s busiest beach. Sunthorn Phu’s father was from Rayong Province, and the connection between poet, poem, and island runs deep here.
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Koh Samet Thailand is popular with both Thai weekenders escaping Bangkok and international travellers looking for a beach trip that does not require a domestic flight. The island is compact enough to explore in a day, and most visitors stay for two or three nights.
8 Best Things to Do in Koh Samet Thailand
Beach-Hop Along the Eastern Coast
The eastern side of Koh Samet Thailand has over a dozen beaches strung along the coastline, each with a different character.
Hat Sai Kaew (Diamond Beach) is the largest, most developed, and busiest, with sunbeds, bars, and restaurants lining the sand. Ao Phai is smaller and more backpacker-oriented. Ao Wong Duan is a wide crescent-shaped bay popular with Thai families and couples. Ao Nuan and Ao Cho are the smaller, less-visited stretches further south.
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The beaches are close enough to walk between along a coastal path, though some sections involve scrambling over rocks. A songthaew (converted pick-up truck) runs passengers between Na Dan Pier and the main beaches for a small fare depending on distance.
You will also notice the dogs. Koh Samet has a population of friendly strays and semi-adopted island dogs that roam freely between the beaches, mostly golden retrievers and mixed breeds.
They are well-fed by locals and restaurant owners, completely unbothered by visitors, and as much a part of the island’s character as the sand.
See the Sunthorn Phu Statues at Hat Sai Kaew
At the northern end of Hat Sai Kaew, a bronze statue of Prince Aphai Mani playing his magical flute alongside a mermaid marks the literary connection between Koh Samet and Thailand’s national epic.
Sunthorn Phu set part of Phra Aphai Mani on this island, using its former name Ko Kaew Phitsadan. In the poem, the prince hides from a sea ogress on the island with the help of a hermit, and falls in love with a mermaid.
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The statues are a popular photo spot and the most visible cultural landmark on the island. Sunthorn Phu Day is celebrated nationally on 26 June each year, with a festival held in Klaeng District, Rayong Province, where his father was from.
Eat Fresh Seafood on the Sand
Almost every beach on Koh Samet Thailand has at least one restaurant with tables on the sand. The standard spread is grilled prawns, fried whole fish (sea bass or snapper), som tum (green papaya salad), stir-fried morning glory, steamed rice, and a cold beer. Most places display the day’s catch on ice at the front so you can choose your fish before it hits the wok.
Ao Wong Duan and Hat Sai Kaew have the most dining options. For a more local experience, eat at one of the smaller stalls near Na Dan Pier where the prices are lower and the food is prepared for the Thai residents and workers who live on the island year-round.
Watch the Fire Shows on Hat Sai Kaew
After dark, the bars along Hat Sai Kaew put on nightly fire-spinning and fire-dancing shows on the beach. Performers swing flaming batons, jump through fire hoops, and juggle lit torches to loud music.
The shows start around 9 or 10 pm and run for roughly an hour. There is no entry charge. Buy a drink from any of the beachfront bars, take a seat on the sand, and watch.
This is the centre of Koh Samet’s nightlife. The bars along Hat Sai Kaew stay open past midnight, with bucket drinks, cocktails, and music until the crowd thins out.
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Catch the Sunset from Ao Phrao
Ao Phrao is the only developed beach on the western side of Koh Samet Thailand, which makes it the only spot on the island with a direct sunset view over the Gulf of Thailand. It is smaller and far less crowded than the eastern beaches. Two resorts occupy the bay, and non-guests can access the beach and use the restaurant.
The sunset from Ao Phrao, with the mainland visible across the water, is the single best natural view on the island.
Snorkel Off the Southern Beaches
The water off the southern tip of Koh Samet Thailand is clearer and less trafficked than the busy northern bays. Ao Kiu, Ao Karang, and Ao Wai offer decent snorkelling with visibility of 5 to 10 metres on calm days.
You will not see the coral diversity of the Andaman coast here, but there are reef fish, sea urchins, and the occasional sea cucumber.
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Day-trip boats also run from Na Dan Pier to the smaller surrounding islands for half-day or full-day snorkelling excursions.
Ride a Motorbike Around the Island
Motorbikes and scooters are available for hire near Na Dan Pier and at several guesthouses across the island. The roads are narrow, unpaved in sections, and steep in the interior hills. A motorbike is the fastest way to reach the southern beaches, which are too far to walk comfortably from the main strip.
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Wear a helmet, drive slowly on the dirt tracks, and carry cash for fuel. There is one petrol station near Na Dan.
Spend a Night at the Beach Bars
Koh Samet Thailand has a more active nightlife scene than most islands its size, concentrated almost entirely along Hat Sai Kaew and Ao Phai. Beachfront bars serve bucket cocktails and play music into the early hours. Full moon parties and DJ nights happen periodically during peak season, though they are smaller and less chaotic than the Koh Phangan version.
Outside of Hat Sai Kaew, the island goes still after dark. Ao Wong Duan has a few low-key bars. The southern beaches have almost nothing.
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How to Get to Koh Samet Thailand from Bangkok
By Road to Ban Phe
Ban Phe is the departure point for all boats to Koh Samet. It is in Rayong Province, approximately 200 kilometres southeast of Bangkok.
The journey takes around three hours by car or minivan, depending on traffic. Minivans depart from Bangkok’s Ekkamai (Eastern) Bus Terminal to Ban Phe throughout the day.
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By Ferry to Koh Samet
From Ban Phe, ferries and speedboats depart for Koh Samet regularly between approximately 7 am and 6 pm. The standard ferry takes around 40 minutes. Speedboats are faster (around 15 minutes) but noisier and rougher in choppy conditions.
Most ferries arrive at Na Dan Pier on the northern tip of the island. Some speedboats go directly to Ao Wong Duan or other beaches on the eastern coast. Check schedules in advance as they are subject to change in poor weather.
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Koh Samet Entrance Fees
Koh Samet is part of the Khao Laem Ya-Mu Ko Samet National Park. All visitors must pay an entrance fee upon arrival.
Current Fees
- Foreign adults: 200 baht
- Foreign children: 100 baht
- Thai adults: 40 baht
- Thai children: 20 baht
- Pier maintenance fee: 20 baht (collected separately)
The national park fee is collected at the checkpoint near Hat Sai Kaew, not at the pier. It is a one-time fee per visit. Carry cash. Cards are not accepted.
Travel Tips for Koh Samet Thailand
Best Time to Visit Ko Samet
Koh Samet receives less rainfall than most Thai islands because it is partially shielded by the mainland from the southwest monsoon.
The driest months are November to February. March to May is hot. June to October sees occasional rain but the island remains accessible year-round. Weekends and Thai public holidays are significantly busier than weekdays.
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Cash
ATMs exist on the island but are limited. Bring enough cash from the mainland for accommodation, food, transport, and the national park fee. Many smaller guesthouses and restaurants do not accept cards. Singapore dollars are not accepted in Thailand; bring Thai baht.
Getting Around
Songthaews run between Na Dan Pier and the main beaches. Motorbike hire is available. Walking between beaches on the eastern coast is possible but can be rocky between bays.
Where to Stay in Koh Samet Thailand
Hat Sai Kaew
The busiest area with the most accommodation, dining, and nightlife options. Best for first-time visitors and anyone who wants to be close to the fire shows and beach bars.
Ao Wong Duan
A wide crescent bay popular with couples and families. More relaxed than Hat Sai Kaew, with mid-range bungalows and beachfront restaurants. Speedboats from Ban Phe can drop you directly here.
Ao Phai and Ao Cho
Smaller beaches south of Hat Sai Kaew with budget-friendly guesthouses and a backpacker atmosphere. Less noise, fewer crowds.
Ao Phrao
The only western beach. Best for sunset views and those who want something removed from the main strip.
Frequently Asked Questions About Koh Samet Thailand
Is Koh Samet Worth Visiting?
Yes. It is the closest quality beach island to Bangkok, reachable in around three hours by road and ferry with no domestic flight required.
The beaches are white sand, the water is clear, and the seafood is excellent. It is not the most remote or pristine Thai island, but for a weekend trip from the capital, it is hard to beat.
How Far Is Koh Samet from Bangkok?
Approximately 200 kilometres by road to Ban Phe pier, then a 40-minute ferry crossing. Total travel time from central Bangkok is roughly three to four hours, depending on traffic and ferry schedules.
How Many Days Do You Need in Koh Samet?
Two nights is the sweet spot. One night works as a quick escape. Three nights lets you explore the southern beaches, take a snorkelling day trip, and have a slow day on the sand without feeling rushed.
What Is Koh Samet Known For?
White sand beaches, fresh seafood, nightly fire shows on Hat Sai Kaew, and its connection to Thailand’s national epic poem Phra Aphai Mani by Sunthorn Phu. The island is also notable for being a national park, which has limited large-scale development.
Is Koh Samet Good for Families?
Yes. Ao Wong Duan is the most family-friendly beach, with shallow water, calm waves, and a wide bay. The national park fee is reduced for children (100 baht for foreign children, 20 baht for Thai children). The island is compact and easy to navigate.
What Is the Weather Like in Koh Samet?
Drier than most Thai islands year-round due to its sheltered position in the Gulf of Thailand. The best weather is November to February (cool and dry). March to May is hot. June to October sees some rain but the island rarely shuts down for weather.
Is There WiFi in Koh Samet?
Yes. Most hotels, guesthouses, and restaurants offer free WiFi. Connection quality varies. The larger resorts and beachfront bars tend to have the strongest signal.
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