Snorkeling Ang Thong National Marine Park from Koh Samui

Speedboat cuts the travel time and opens more snorkeling stops than the big boats run.

This eight to nine hour snorkeling tour departs Koh Samui by speedboat into Ang Thong National Marine Park, an archipelago of 42 islands in the Central Gulf. You snorkel at multiple reef sites, kayak the Emerald Lake (a saltwater lagoon ringed by limestone cliffs), relax on island beaches, and climb Wua Talap Mountain for views across the park. Lunch, snorkeling gear and kayaks are included.

Step-by-step itinerary

Explore Ang Thong Marine Park

• Travel to Ang Thong National Marine Park
• Relax on the beach
• Swim and snorkel in clear water
• Sea kayaking in the park
• Visit Thalay Nai (Emerald Lake)
• Climb Wua Talap hill for views
• Enjoy lunch on the island

The experience

Eight to nine hours means you leave early and return by afternoon, which fits a single day without eating into the rest of your itinerary. The speedboat itself is the difference: it reaches more snorkeling points than the larger tour boats, and it delivers you straight to the beaches without the transfer to smaller tenders that slows down the all-day trips. You pick the pace of the water activities (snorkeling, swimming, kayaking), and the Emerald Lake is the centerpiece, a saltwater lake enclosed by sheer limestone walls where the water stays calm and the visibility is usually clear.

Wua Talap Mountain sits on the itinerary as a climb, not a requirement. The trail has six viewpoints stacked at different heights. Most people reach the first two or three, and the top sits 500 meters up. Comfortable walking shoes matter here. The island lunch breaks the day in half and gives you time to rest between the water and the climb. A live English-speaking guide is with the group throughout, and children from age two can join.

Pickup is included from your Koh Samui hotel. The tour runs in most weather as long as conditions stay safe for the activities. Kayaking can be cancelled if the sea is rough, but snorkeling and the other stops usually proceed. Bring a light layer for the boat ride out (the wind picks up on the water), and reef-safe sunscreen if you have it.

What’s included

• Lunch on the island.
• snorkeling equipment and kayak use.
• air-conditioned vehicle for ground transport.
• drinks throughout the day.
• hotel pickup from Koh Samui.

Before you book

Days and timesEvery dayDeparts at 08:00Last departure this season: 31 Oct

AgesAdult (11 and older) · Child (2 to 10 years)

GroupUp to 50

Live guideEnglish

Meeting point and pickupHotel pickup included.

Cancellation and refundsFree cancellation up to 24 h before the start. After that, no refund.It may be canceled due to bad weather. If that happens, you're offered another date or a refund.

Paid on siteUS$ 9.11

Prices and times updated yesterday

Good to know

Moderate physical effortNot recommended with heart problemsNot recommended with back problems

Is this one for you?The eight to nine hour commitment leaves your morning or evening free, so it slots into a day that includes other activities. The speedboat's direct beach access and extra snorkeling stops suit travelers who want more time in the water and less time transferring between boats.

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Top questions

Can children come?

Yes. Ticket types: Child (2 to 10 years).

What happens if it rains?

It may be canceled due to bad weather. If that happens, you're offered another date or a refund. Free cancellation up to 24 h before the start.

What is the Emerald Lake and what do you do there?

Thalay Nai, or the Emerald Lake, is a saltwater lagoon surrounded by limestone cliffs inside the national marine park. You snorkel and kayak in it, exploring the enclosed water and the rock formations that wall it in.

How many snorkeling stops does the speedboat visit?

The itinerary names multiple snorkeling points across the park, more than the larger tour boats typically include. The exact number varies by conditions and the guide's route, but the speedboat's speed and size let it reach more reefs in the same timeframe.

Is climbing Wua Talap Mountain required?

No. The mountain is on the itinerary, but you choose how far up to go. There are six viewpoints at different heights. Most visitors reach the first two or three, and the top is 500 meters up. If the climb feels too steep, you can stay at a lower viewpoint or skip it.

What happens if the weather is bad?

The tour runs in most weather as long as it stays safe for the activities. Kayaking can be cancelled if the sea is rough, but snorkeling and beach time usually proceed. The speedboat is equipped to handle typical Gulf conditions.