Ang Thong Marine Park: Snorkel, Kayak & Emerald Lagoon Small Group

Limestone cliffs, turquoise water, and a lagoon you reach on foot

You board a small speedboat with a maximum of 12 adults and get snorkeling at Koh Wao with guides in the water, a homemade lunch on a beach, guided kayaking through island channels, and a walk to the Emerald Lagoon viewing platform overlooking the archipelago. Hotel pickup and all equipment, meals and fees are included, with return around 5:30pm.

Step-by-step itinerary

Angthong National Marine Park tour

• Cruise past northern Samui coast
• Snorkel at Koh Wao with guides
• Boat cruise along Marine Park coastlines
• Enjoy homemade lunch at beach
• Kayak along Angthong coastline
• Walk to Emerald Lagoon viewpoint
• Return by speedboat from Marine Park
• Arrive back at 100 Degrees East centre

The experience

The speedboat engine cuts through the Gulf as you leave Maenam Beach behind, heading north past Koh Samui's coast toward Ang Thong National Marine Park. There are only twelve of you on board. That's the cap, and it changes everything. No jostling for snorkel spots, no waiting for the guide to notice you, no feeling like one of forty faces on a cattle-boat. The crew outnumbers the guests, which means someone is always watching, always ready, whether you're a confident swimmer or someone who's never put on fins before.

At Koh Wao the guides brief you in the water itself, showing you where the reef starts and what to look for. Lifejackets hang nearby if you want one, and the guides double as in-water taxi service. If you get tired, they'll tow you back. The snorkel gear fits properly because there's time to adjust it. After that, the boat cruises the limestone formations, those strange sculptured cliffs that look like they've been carved by something other than water and time. Then comes lunch on a quiet beach, prepared that morning by the boat's chef, and afterward you either rest under the palms or join the kayak run through narrow channels and under rock overhangs, guided the whole way. It's paced so you can choose: go hard or go slow.

The Emerald Lagoon sits at the end of a ten-minute walk up from the beach, surrounded by sheer cliffs and jungle. Your guide comes with you, carrying water and knowing which rocks to step on and where the birds nest. They know the angles for photos too. The view from the platform is the reason people come to Ang Thong: that salt lagoon ringed by limestone, the archipelago spreading out below. Then the boat heads back, and you're dropped at your hotel around 5:30pm with everything already paid for: snorkel gear, kayak, lunch, water, fruit, towels, insurance, the ride home. No surprises at the end, no "that'll be extra."

What’s included

Hotel pickup and return transport, snorkel equipment and fins, lifejackets, kayaking with guides, homemade lunch prepared on-site, bottled water and seasonal fruit, towels, restroom on board, full insurance coverage, and all park fees and taxes.

Before you book

Days and timesMonday, Tuesday, Wednesday and SaturdayDeparts at 09:00

AgesAdult (13 to 80 years) · Child (4 to 12 years) · Under 4: can't be included in the booking

Meeting point and pickupHotel pickup included.

Cancellation and refundsFree cancellation up to 24h before the start. After that, no refund.It may be canceled due to bad weather or if the minimum number of travelers isn't reached. If that happens, you're offered another date or a refund.

Prices and times updated today

Good to know

Moderate physical levelNot for pregnant travelersNot for heart conditionsNot for back problems

Operated by 100 Degrees East Dive Team

Is this one for you?Book this if you want the main Ang Thong highlights (snorkeling, kayaking, the Emerald Lagoon) without the crowds or the logistics of arranging your own boat and timing. The small group size is what makes personalized guidance and flexible pacing possible in a single day.

Traveler reviews

4.99★★★★★★★★★★

949 verified traveler reviews

5 ★938

4 ★9

3 ★2

2 ★0

1 ★0

Read all the reviews ›

Top questions

What languages is the guide in?

Live guide in English and Thai.

Can children come?

Yes. Ticket types: Child (4 to 12 years). Under 4: they can't be included in the booking.

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 24h before the start.

What's the difference between this tour and the bigger Ang Thong groups?

This tour caps at 12 adults (or 14 with children aged 4–12), while standard tours often run 30–40 people. The crew-to-guest ratio is higher, so guides spend more time with you in the water and on activities.

Is snorkeling suitable if I've never done it before?

Yes. Guides provide a briefing in the water, lifejackets and life rings are available, and guides can act as in-water support. The tour is designed for all ages and abilities, including non-swimmers.

What's included in the price?

Snorkel equipment, fins, lifejackets, kayaking, lunch, bottled water, seasonal fruit, towels, hotel pickup and return, all fees and taxes, and full insurance coverage.

How long is the full day?

The tour runs from morning departure until around 5:30pm return to your hotel. Total time on the water and islands is approximately 8 hours.

Can I skip the kayaking or the Emerald Lagoon walk?

Yes. The tour is flexible. You can rest on the beach instead of kayaking, or stay on the beach while others hike to the lagoon. The guides will accommodate your pace.

Is there a minimum group size?

Yes, a minimum number of guests is required to operate. If the tour doesn't reach that threshold, you'll be notified by 4pm the day before and can cancel or reschedule.

What if I'm traveling with a group of 5 or more?

Groups of 5+ must book directly with the operator to guarantee everyone is on the same boat. Separate bookings cannot be guaranteed to be scheduled together.

Do I need to be fit or a strong swimmer?

The tour is designed for moderate fitness levels. Guides provide support in the water and on activities, and you can choose your own pace: rest when you need to.