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Reach the 42 limestone islands of Ang Thong National Marine Park in just 45 minutes by speedboat, cutting hours off your travel time. Enjoy direct beach landings for snorkeling, kayaking, and hiking to scenic viewpoints.
Free Cancellation Speedboats reach beaches directly and visit more snorkeling spots than larger vessels, saving hours of transit time.
Free Cancellation Speedboat from Koh Samui to Angthong's 42 islands for kayaking, snorkeling, and the Wua Ta Lap viewpoint.
Free Cancellation Speedboats cut two hours off the commute and land directly on the beach, with kayaking and a buffet lunch included.
Free Cancellation Private speedboat tour to Angthong’s 42 islands including the Emerald Lake, snorkeling, and a fresh Thai lunch.
Free Cancellation Speedboat to Angthong’s 42 islands to snorkel Koh Wao and hike the cliffs overlooking the Emerald Lake.
Free Cancellation Speedboat through 42 islands to hike the Emerald Green Lagoon viewpoint and kayak through limestone sea caves.
Free Cancellation Explore the 42 limestone islands of Ang Thong by kayak and cliffside trails.
Free Cancellation Speedboat to 42 islands for kayaking, snorkeling, and the hike to the Emerald Lake viewpoint.
Free Cancellation Speedboat across 42 limestone islands in the Gulf of Thailand to reach hidden coves and white-sand beaches.
Free Cancellation Kayak through limestone caves and hike to the Wua Talap viewpoint on this 42-island marine park boat tour.
Read what travelers share about their experience visiting Ang Thong National Marine Park — from practical tips to personal highlights.
Speedboats cross the 30 kilometers from Koh Samui to Ang Thong National Marine Park in 45 minutes, cutting transit time in half compared to large ferries. You spend the day navigating 42 limestone islands, stopping for steep hikes, kayaking, and snorkeling. The ride gets bumpy if the wind picks up.
A 500-meter rope-assisted climb gains roughly 400 meters of elevation in 30 minutes. You look down on dozens of jungle-topped karst islands scattered across the water.
A 20-minute walk up wooden stairs on Ko Mae Ko leads to a jade-green saltwater lake. Underwater caves connect it directly to the sea.
Paddlers navigate calm, sheltered channels between the limestone cliffs. Guides provide life jackets and route adjustments based on the group's ability.
A one-kilometer trail from the main headquarters leads to this cavern. Lotus-shaped flowstone formations and jagged stalactites hang from the ceiling.
The boat anchors in shallow coral gardens where depths average 10 meters. Visibility peaks in March and April, revealing green sea turtles and yellow-spotted trevally.
Two main beaches on Ko Wua Ta Lap offer calm swimming waters. Macaques and dusky leaf monkeys often forage along the tree line.
Booking a speedboat tour requires choosing your departure island and deciding between a shared group trip or a private charter. The national park entrance fee is almost never included in the ticket price.
Tour prices exclude the mandatory park fee. You pay 300 Baht per foreign adult and 150 Baht per child in cash directly to the rangers on arrival.
Speedboats reach the islands in 45 to 60 minutes. Big boats take up to two hours but offer a much more stable ride. Families with infants or travelers prone to seasickness should book the big boat.
The park closes entirely from November 1 to mid-December due to monsoon weather. Tours do not operate during this window, and rough seas in late October often cause cancellations.
Most trips leave from Koh Samui's Mae Nam or Nathon piers. Operators also run tours from Koh Phangan and Koh Tao, though Koh Tao departures take at least 90 minutes.
Groups of up to 40 people can hire a private speedboat starting around $1,500 USD. This lets you arrive at the Emerald Lagoon and Wua Ta Lap viewpoint before the 11:00 am rush.
The Wua Ta Lap viewpoint trail is steep, rocky, and requires hauling yourself up with ropes. Wear closed-toe sneakers with strong grip. Flip-flops are dangerous here.
Flying a drone without written permission from the Department of National Parks carries a 100,000 Baht fine. Leave it at the hotel.
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| Shared Speedboat Tour | Private Speedboat Charter | Big Boat Day Tour | |
|---|---|---|---|
| Duration | 8 hours | 8 hours | 9-10 hours |
| Best for | Beating the slow ferries | Groups wanting flexible timing | Families and those prone to seasickness |
| Includes | Lunch, snorkeling gear, hotel pickup | Guide, drinks, custom itinerary | Slower stable ride, lunch, kayaks |
| Starting price | $60 USD | $1,500 USD | $40 USD |
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Ang Thong National Marine Park is open daily from 8:00 am to 5:00 pm. Most day tours arrive around 9:30 am and depart by 4:00 pm.
The park closes completely every year from November 1 to December 15. Monsoon weather makes the boat crossing dangerous during this period. The exact reopening date depends on sea conditions, usually falling between December 10 and 20.
The single restaurant near the visitor center on Ko Wua Ta Lap operates in two shifts: 8:00 am to 3:00 pm, and 6:00 pm to 8:00 pm.
You cannot take a public ferry to the park. Access requires booking a licensed tour or private charter.
January to April brings the calmest seas and clearest skies. Snorkeling visibility peaks during these months. This is the busy season, so expect crowds at the main viewpoints.
May to September serves as a reliable shoulder season. You will see fewer boats, though brief afternoon rain showers are common.
Skip October. Increased rainfall and rough water lead to frequent tour cancellations. The park shuts down entirely in November and early December.
The park is not wheelchair accessible. Visitors must transfer from speedboats to smaller tender boats or wade directly onto the sand.
Elderly visitors can comfortably handle the boat cruise, beach time, and guided kayaking. The 20-minute walk up wooden stairs to the Thale Nai (Emerald Lagoon) viewpoint is manageable for moderately fit seniors.
Avoid the Ko Wua Ta Lap viewpoint hike if you have mobility issues. The 500-meter trail gains 400 meters in elevation over jagged rocks and requires pulling yourself up with ropes.
Ko Wua Ta Lap houses the park headquarters and all visitor facilities. You will find one basic restaurant, public restrooms, and a small ranger station.
The island has no ATMs. Bring small Baht notes to pay your entrance fee and buy snacks.
Overnight guests can rent one of three park bungalows or pitch a tent at the campground. Bungalows cost 600 Baht per night for two people. Camping costs 80 Baht per person, with tent rentals available for 450 Baht.
Standard Thai national park conservation rules apply. Rangers enforce these strictly.
No. There are no public ferries to the islands. You must book a licensed day tour or charter a private boat from Koh Samui, Koh Phangan, or Koh Tao.
Foreign adults pay 300 Baht and children aged 3-14 pay 150 Baht. Tour operators rarely include this in your ticket price. Bring cash to pay the rangers directly.
A speedboat crosses the 30-kilometer gap in 45 to 60 minutes. Large slow boats take 90 to 120 minutes.
Yes, for the calmer activities. Kids as young as four can ride in a double kayak and swim at the beaches. The steep viewpoint hikes are dangerous for young children.
It is called Thale Nai. You reach it by climbing a 20-minute staircase on Ko Mae Ko. The saltwater lake connects to the ocean through a series of underwater caves.
Only with prior written permission from the Department of National Parks. Flying without a permit carries a fine of up to 100,000 Baht.
The park inspired Alex Garland's novel, but the movie was not filmed here. The beach scenes were shot on the Phi Phi Islands, and the waterfall jump was filmed in Khao Yai National Park.
Yes. The park headquarters on Ko Wua Ta Lap rents basic bungalows for 600 Baht a night and offers a campground. You book these through the national park website.
Tours run in light rain but cancel if high winds make the sea crossing dangerous. The park closes entirely from November to mid-December due to the monsoon season.
Wear closed-toe sneakers with strong grip. The trails to the viewpoints are steep, rocky, and require rope assistance. Flip-flops are a major slipping hazard.
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Speedboats cut hours off the commute compared to larger tour boats. You land directly on the sand instead of transferring to a smaller shuttle boat at every stop. It’s faster. The boat's shallow draft allows for more snorkeling stops in reefs where larger vessels can't anchor. You'll have access to sea kayaks for the afternoon at no extra charge. Lunch is served on the island beach. It's a better setup than eating on a cramped boat deck. Speedboats can be a bumpy ride if the wind picks up — sit at the back to save your spine. Book this for the extra time in the water.
For a full refund, cancel at least 24 hours before the scheduled departure time.
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Speedboats depart Koh Samui for the 42 uninhabited islands of Angthong National Marine Park. It's a fast trip. You'll see limestone cliffs and jungle-covered islands that remain undeveloped. The Wua Ta Lap viewpoint shows you the entire archipelago from the summit after a steep 500-meter climb. It's a tough walk up wooden stairs and limestone rocks. Below, the beach has soft white sand for those who want to skip the hike. Talay Nai is a saltwater lake reached by a short set of stairs. The water there is emerald green. Kayaking takes you along the base of the cliffs into small sea caves and tunnels. You can swim or snorkel in the shallow water near the beach. Lunch is a Thai buffet served on the island. The price includes hotel pick-up and drop-off. Bring reef shoes — the limestone is sharp.
For a full refund, cancel at least 24 hours before the scheduled departure time.
English
Speedboats cut roughly two hours off the travel time compared to the larger slow boats. This means more time on the sand and less on the water. Since these boats pull right up to the beach, you won't have to scramble into a longtail for the final stretch. It's a bumpy ride. Don't book this if you're prone to back pain or have very young children. Pickup is included for most Koh Phangan hotels, but guests in Thong Nai Pan are excluded from the free service. You'll get sea kayaking gear and a buffet lunch on the island as part of the price. Pack a dry bag. The speed of the boat makes salt spray inevitable, so keep your electronics tucked away until you land.
For a full refund, cancel at least 24 hours before the scheduled departure time.
English
Private speedboats reach the 42 islands of Angthong National Marine Park in about 45 minutes from Koh Samui. You'll bypass the slow ferries that take two hours to cross the gulf. This gets you to the Koh Mae Ko viewpoint and the saltwater Emerald Lake before the 11:00 AM crowds arrive. It’s the way to do it. The hike to the Emerald Lake involves steep wooden stairs that stay slick from humidity. Wear shoes with grip rather than flip-flops. For lunch, the crew prepares Thai dishes on the boat instead of handing out pre-packed boxes. Most of the afternoon is for snorkeling or the beach at Koh Wua Ta Lap. If the water is choppy, the ride gets bumpy—sit at the back to avoid the worst of the jolts.
For a full refund, cancel at least 24 hours before the scheduled departure time.
English
The 45-minute speedboat ride crosses the Gulf of Thailand to reach the 42 islands of Angthong National Marine Park. Koh Wao, or Koh Tay Plow, is the first stop for snorkeling. You'll see the reef through clear water at the northern edge of the park. If the wind picks up, the ride gets rough. Sit at the back of the boat to avoid the hardest jolts. A steep staircase on Koh Mae Ko leads to a viewpoint over Talay Nai. This emerald saltwater lake is hemmed in by limestone cliffs and connects to the sea through underwater caves. After the descent, there's a Thai buffet lunch on the beach. It's simple food, usually curry and rice. Spend the afternoon kayaking along the base of the karst formations or climbing the trail to the park’s highest peak. The kayak route follows the shoreline past eroded rock arches and small caves. The mountain path is a steep scramble over sharp limestone. Wear sturdy shoes if you want to see the whole archipelago from the top. Flip-flops won't cut it.
For a full refund, cancel at least 24 hours before the scheduled departure time.
English
You'll navigate 42 limestone islands by speedboat to reach Talay Nai, a saltwater lake inside a collapsed cavern. A steep climb leads to a ridge overlooking the water, which stays green because of its depth and mineral content. The trek is short but vertical. Wear shoes with grip, not flip-flops. Kayaks are the best way to see the undercut cliffs and small caves that the larger boats can't reach. You'll paddle around the perimeter of the smaller islands before stopping at a beach for a swim. Snorkeling happens directly off the boat in the shallower reefs. Water clarity depends on the tide—if it's been raining, the visibility drops fast. Speedboats cut the travel time from Koh Samui down to about 45 minutes, giving you more time on the islands than the slower wooden junks. It's a bumpy ride. If you get seasick, sit at the back of the boat where the engine weight keeps it steadier. Pack a dry bag for your phone during the kayak leg.
For a full refund, cancel at least 24 hours before the scheduled departure time.
English
Ang Thong Marine Park consists of 42 limestone islands in the Gulf of Thailand. Most tours depart from Koh Samui or Koh Phangan for a day of kayaking and hiking. The primary stop is Koh Mae Ko. A 20-minute climb up steep stairs leads to a viewpoint that overlooks the Emerald Lagoon. It’s a saltwater lake, but you can’t swim in it. The view is the point. Snorkeling takes place around the northern reefs, though visibility drops significantly after heavy rain. You’ll mostly see hard corals and small tropical fish. If you choose the kayaking option, you’ll paddle under limestone overhangs for about 45 minutes. It’s sweaty work. Speedboats reach the islands in an hour, while larger wooden boats take nearly three. Pick the slow boat for a cheaper seat; take the speedboat to beat the crowds to the viewpoints. The park headquarters on Koh Wua Ta Lap is the base for lunch and the steepest hike in the park. This 500-meter trail is a vertical scramble over jagged rock. Wear sneakers. If the midday heat is too much, skip the climb and stay on the beach. Monkeys often hang around the picnic area looking for bags—keep yours zipped.
For a full refund, cancel at least 24 hours before the scheduled departure time.
English
The speedboat departs Koh Samui for the 42 limestone islands of Angthong National Marine Park. It's a faster alternative to the slow ferries, though the ride gets bumpy when the wind picks up. You'll spend the day moving between jagged rock cliffs and shallow coral gardens. Most of the snorkeling happens in the north, where the water stays clear enough to see the reef. The hike to the main viewpoint involves a steep climb up wooden stairs. It's a 500-meter ascent, but the humidity makes it a slog. From the top, you can see the entire archipelago. At Koh Mae Ko, a separate path leads to Talay Nai, a saltwater lagoon trapped inside a limestone bowl. The water is bright emerald, but you aren't allowed to swim in it—stick to the nearby beach for that. Kayaking takes place around the island fringes to reach sea caves and rock overhangs. Lunch is a Thai buffet served on one of the larger islands. The tour includes hotel pickup and drop-off, plus all the gear. If you have back issues, skip the speedboat and book the larger, slower ferry instead.
For a full refund, cancel at least 24 hours before the scheduled departure time.
English
Ang Thong National Marine Park consists of 42 limestone islands scattered across the Gulf of Thailand. Most islands rise as steep cliffs topped with evergreen forest, while narrow strips of white sand form the beaches at their base. You'll spend the day moving between these outcrops to find sea caves and saltwater lagoons. It's a physically demanding trip if you choose to hike. Speedboats reach the park from Koh Samui in about 45 minutes. You'll likely stop at Mae Koh to see the emerald saltwater lake, which is enclosed by rock walls. The climb to the top is short but steep. If the gulf is choppy, the ride gets rough—sit toward the back of the boat where there's less bounce. Pack sturdy sandals for the limestone trails rather than flip-flops. Most tours include snorkeling, but the visibility varies depending on the tide and recent rain. For the best views of the entire archipelago, head to the 500-meter lookout on Wua Ta Lap. It's a slog, but the perspective of the 42 islands is worth the sweat. Choose the speedboat over the ferry to maximize your time on the sand.
For a full refund, cancel at least 24 hours before the scheduled departure time.
English
This boat trip covers the 42 islands of the Ang Thong archipelago, known as the Golden Basin. You'll kayak through limestone rock formations and sea caves where the water stays relatively calm. It's about an hour of paddling. Don't expect crystal clear water for snorkeling if the wind picks up; the sediment stirs easily in these shallow bays. Wua Talap island has a 500-meter steep climb to a viewpoint overlooking the entire park. It's a grueling hike on sharp limestone, so wear shoes with grip rather than flip-flops. You can also visit a stalactite cave or the Emerald Lagoon, a bright green saltwater lake enclosed by cliffs. You can't swim in the lagoon, but the beach at the base of the trail is open for a dip. Bring plenty of water for the hike. If the park rangers close the viewpoint due to rain, spend the extra time at the Wua Talap beach. It's the best spot for a nap.
For a full refund, cancel at least 24 hours before the scheduled departure time.
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