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Semi-Private Yacht Day Trip to Ang Thong Marine Park’s Blue Lagoon and Snorkeling Sites
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Semi-Private Yacht Day Trip to Ang Thong Marine Park’s Blue Lagoon and Snorkeling Sites

by Tours Koh Samui

10 hours
Bophut
฿3,780฿4,200 on ViatorSave 10%/person
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฿3,780฿4,200 on ViatorSave 10%per person

Choose from 2 available options

10 hours
Starting time
Friday 11 September 2026
Language
Free cancellation until 10 Sept 2026.
฿7,560฿8,400Save 10%
2 adults × ฿3,780
All taxes and fees included

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Confirmation before Wed, 9 Sept - card's only charged if it's a yes. If it's a no, still time to book on Viator.

Book on Viator Confirmed right away, but you pay full price.฿8,400
10 hours
฿7,560฿8,400Save 10%
2 adults × ฿3,780
All taxes and fees included

Overview

This semi-private yacht day trip to Ang Thong Marine Park departs from Koh Samui and lasts about 10 hours. The tour begins by sailing southwest past the Five Islands, known for bird's nest harvesting. The first stop is a remote area within the park where guests can take a guided sea kayaking tour for one hour along cliffs, caves, tunnels, and a secret lagoon. Alternatively, guests may use a dinghy for the same route. Next, the yacht sails north beyond the park’s waters to the Koh Wao island group, recognized as one of Thailand’s top 20 snorkeling sites. After a safety briefing, guests receive full snorkeling equipment and a guided underwater tour lasting about one hour. Non-swimmers and children can use a netted floating raft to view the reef safely. Returning to the park, the yacht passes Ko Lao Yu while guests enjoy a buffet lunch featuring Thai fusion dishes made with local ingredients, served amid limestone islands with tall cliffs and unusual rock formations. The yacht then continues past Koh Thong Thaeng and Ko Wa Noi toward Ko Mae Ko, home to the Blue Lagoon, also called Talay Nai or Emerald Lake. This area is exclusive to this tour, with no other organized groups allowed. Guests spend 15 minutes arriving and then 45 minutes at Ko Mae Ko, where they may climb steep stairs to a viewpoint overlooking 42 islands or relax on the beach beside the enclosed saltwater lagoon, a natural marine nursery. On the return trip, the yacht passes Ko Wua Talap, the marine park headquarters, and cruises past Phaluai Island, inhabited by a community of sea gypsy fishermen. Onboard amenities include a jacuzzi, drinks such as tea, coffee, bottled water, and carbonated beverages, as well as dessert. Guests can enjoy the sun deck, lounge, and dining area while watching the sunset. The tour includes breakfast, lunch, snorkeling gear, life vests, towels, onboard restrooms, WiFi, use of the netted raft, full insurance coverage, and round-trip hotel transfer. Marine park admission fees, optional sea kayak rental, and alcoholic drinks are not included. All guests must remove footwear before boarding. The maximum number of guests is 14 on the Blue Dragon yacht or 28 on the Red Dragon yacht, depending on group size. The itinerary may change due to weather conditions.

Highlights

Visit Five Islands known for bird's nest harvesting
Guided sea kayaking or dinghy ride to secret lagoon
Snorkeling at Koh Wao with full gear and guidance
Buffet lunch amid limestone islands in Ang Thong Park
Visit Blue Lagoon with optional viewpoint climb
Return cruise with jacuzzi, drinks, and sunset views

What's included

Breakfast served on board
Lunch with Thai fusion dishes
Carbonated beverages
Tea and coffee
Bottled water
Use of snorkeling equipment
Life vests provided
Towels available
On-board WiFi access
On-board restrooms
Full insurance coverage
Use of netted raft for non-swimmers
Round-trip hotel transfer

What's not included

Marine park admission fee of 300 THB for adults and 150 THB for children
Optional sea kayaking rental fee of 250 THB per person
Alcoholic beverages

Itinerary

1

Five Islands

The tour begins southwest of Koh Samui, passing the Five Islands, which are known for the unusual practice of harvesting bird's nests.

2

Sea Kayaking in Ang Thong Marine Park

The first stop is a remote area in the Ang Thong archipelago exclusive to this tour. Guests can join a guided sea kayaking trip along dramatic cliffs, limestone islands, caves, tunnels, and a secret lagoon, or choose to ride in the accompanying dinghy.

60 min

3

Sailing to Koh Wao

The yacht sails north beyond the Marine Park waters toward Koh Wao, a location known for excellent snorkeling.

4

Snorkeling at Ko Wao Island Group

At Ko Wao, considered one of Thailand's top 20 snorkeling sites, guests receive a safety briefing and snorkeling gear for a guided underwater tour of the vibrant reef. Non-swimmers and children may stay on a netted floating raft that offers reef views without swimming.

60 min

5

Lunch Cruise Past Ko Lao Yu

Returning to the Marine Park, the yacht passes Ko Lao Yu while guests enjoy a buffet lunch. The route includes views of limestone islands with tall cliffs and unusual rock formations.

6

Passing Koh Thong Thaeng

The yacht passes one of the larger islands in the park, Koh Thong Thaeng, noted for its natural beauty.

7

Passing Ko Wa Noi

The tour continues past Ko Wa Noi on the way to Ko Mae Ko and the Blue Lagoon.

8

Passing Ko Sam Sao (Three Sisters Islands)

The yacht sails past Ko Sam Sao, known as the Three Sisters Islands, featuring a natural stone bridge extending into the sea and white sandy beaches.

9

Blue Lagoon at Ko Mae Ko

Ko Mae Ko is home to the Blue Lagoon, or Talay Nai, an enclosed saltwater lake that inspired the book and film "The Beach." The tour is the last allowed to visit this site, avoiding other organized groups.

15 min

10

Blue Lagoon Emerald Lake

Guests may climb steep stairs to a viewpoint overlooking 42 islands in the park or relax on the secluded beach. The lagoon acts as a natural nursery for marine life.

45 min

11

Ko Wua Ta Lap

On the way back to Koh Samui, the yacht passes Ko Wua Talap, which serves as the Marine Park headquarters.

12

Cruise Past Phaluai Island

The yacht passes Phaluai Island, inhabited by a community of "sea gypsy" fishermen. Guests can enjoy drinks, a banana split, or a swim in the jacuzzi while watching the sunset during the return cruise.

Languages

German (written)Thai (guide)English (guide)English (written)French (written)Hebrew (written)

Cancellation policy

  • Cancel at least 24 hours before start for a full refund.

Additional info

1–15 travelers per booking
Mobile ticket
Pushchair and stroller friendly
Not advised for anyone with a heart condition
A moderate level of fitness is needed
Semi-private tours offer personal service with a maximum of 14 guests on the Blue Dragon yacht, which is 68 ft long, and 28 guests aboard the Red Dragon yacht, which is 78 ft long.
The boat used depends on the total number of guests
All guests must remove footwear before boarding the yacht
The itinerary may be altered based on weather conditions
Total
฿7,560Save 10% vs Viator