Thailand 2 Seas Journey Part 2: From Khao Sok to the Andaman Sea and Southern Thailand’s Iconic Islands

After experiencing Koh Tao, Koh Phangan, Koh Samui and the natural beauty of Khao Sok in Part 1, this journey crosses to the Andaman Sea through Krabi, Koh Phi Phi, Railay Beach, Phang Nga Bay and Koh Lanta, with practical travel information to help you plan your Thailand 2 Seas Journey.

← Read Thailand 2 Seas Journey Part 1: Gulf of Thailand to Khao Sok

💎 Koh Phi Phi — Thailand’s World-Famous Island Escape

From Khao Sok, the next unmissable destination on the Andaman coast is Koh Phi Phi

Towering limestone cliffs, turquoise water, white-sand beaches and bays that look like movie sets.

Island Hopping
Snorkeling
Scuba Diving
Kayaking
Watch the sunset
Visit Phi Phi Leh
Pileh Lagoon
Maya Bay
Koh Phi Phi Viewpoint

🎬 Maya Bay — Follow the Trail of The Beach

Maya Bay helped make Koh Phi Phi famous around the world after appearing in the film The Beach starring Leonardo DiCaprio.

Once you arrive, it is easy to understand why this small bay surrounded by limestone cliffs draws visitors from around the world.

💚 Pileh Lagoon

A turquoise-green lagoon surrounded by limestone cliffs, ideal for swimming, snorkeling and photography.

🚢 From the Gulf of Thailand to Koh Phi Phi with Boonsiri Sealine

Timetable and Faress
Origin	Departure	Arrival	Fares
Koh Samui (Nathon Pier)	10:20	17:00	1,700 THB
Koh Phangan (Thongsala Pier)	09:30	17:00	1,800 THB
Koh Tao	08:00	17:00	1,900 THB

For travelers who want to create a Gulf of Thailand → Khao Sok → Andaman Sea these routes can be combined into one itinerary.

🧗 Railay Beach — A Limestone Coastline Known by Climbers Worldwide

From Koh Phi Phi, continue to Krabi and discover Railay Beach

Large limestone cliffs surround the beach, creating one of Krabi’s most distinctive landscapes.

Railay is known worldwide among climbers, but even if you do not climb, you can swim, kayak, walk, explore caves, relax on the beach or watch the sunset.

🚐 Finish Koh Phi Phi and Continue to Krabi with Boonsiri Sealine

Boonsiri provides connections to several areas of Krabi, including Boonsiri Office, Ao Nang, Krabi Town and Railay East

Koh Samui → Krabi

Timetable and Faress
Destination	Departure	Arrival	Fares
Krabi – Boonsiri Office	10:20	14:30	1,100 THB
Krabi – Ao Nang	10:20	15:30	1,100 THB
Krabi – Town / Exc. Railay Transfer	10:20	15:30	1,200 THB
Krabi – Railay East	10:20	16:30	1,500 THB

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Koh Phangan → Krabi

Timetable and Faress
Destination	Departure	Arrival	Fares
Krabi – Boonsiri Office	09:30	14:30	1,200 THB
Krabi – Ao Nang	09:30	15:30	1,200 THB
Krabi – Town / Exc. Railay Transfer	09:30	15:30	1,300 THB
Krabi – Railay East	09:30	16:30	1,600 THB

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🪨 Phang Nga Bay — Follow the James Bond Island Trail

If you love landscapes that look made for the movies, visit Phang Nga Bay

Limestone formations rise dramatically from the sea; some resemble natural walls while others have striking shapes.

Boat trips
Canoeing
Explore caves
Island hopping
Explore mangrove forests
Photograph limestone landscapes

🎬 James Bond Island

or Ko Tapu the location made famous by the James Bond film The Man with the Golden Gun

If you are a film fan or love landscape photography, this belongs on your list.

🚢 Boonsiri Connections to Phang Nga and Khao Lak

The Boonsiri Sealine timetable includes connections to Khao Lak and Trang from the Gulf island routes.

Timetable and Faress
Origin	Destination	Departure	Arrival	Fares
Koh Samui (Nathon Pier)	Khao Lak	10:20	18:30	1,400 THB
Koh Samui (Nathon Pier)	Trang	10:20	18:30	1,500 THB
Koh Phangan (Thongsala Pier)	Khao Lak	09:30	18:30	1,500 THB
Koh Phangan (Thongsala Pier)	Trang	09:30	18:30	1,600 THB

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🌅 Koh Lanta — A Destination for Slow Travel

After Koh Tao, Koh Phangan, Koh Samui, Khao Sok, Koh Phi Phi, Krabi and Phang Nga, you may not need another packed schedule.

You may simply want a quiet beach.

That is the charm of Koh Lanta

Koh Lanta is ideal for slow travel: rent a motorbike, explore the island, stop at cafés, enjoy seafood, walk along the beach, watch the sunset or dive around nearby islands.

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Places to See on Koh Lanta

Long Beach
Klong Dao Beach
Kantiang Bay
Lanta Old Town
Mu Ko Lanta National Park
Lighthouse
Koh Rok
Koh Haa

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🚢 Travel to Koh Lanta with Boonsiri Sealine

Koh Samui (Nathon Pier) → Koh Lanta

Timetable and Faress
Destination	Departure	Arrival	Fares
Koh Lanta – Saladan Pier	10:20	18:00	1,500 THB
Koh Lanta – Hotel	10:20	19:00	1,800 THB

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Koh Phangan (Thongsala Pier) → Koh Lanta

Timetable and Faress
Destination	Departure	Arrival	Fares
Koh Lanta – Saladan Pier	09:30	18:00	1,600 THB
Koh Lanta – Hotel	09:30	19:00	1,900 THB

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Koh Tao → Koh Lanta

Timetable and Faress
Destination	Departure	Arrival	Fares
Koh Lanta – Saladan Pier	08:00	18:00	1,700 THB
Koh Lanta – Hotel	08:00	19:00	2,000 THB

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✈️ You Can Reach the Islands from Surat Thani Airport

You do not have to start your trip in Bangkok. If you fly into Surat Thani Airport you can continue your journey to the islands.

Timetable and Faress
Destination	Departure	Arrival	Fares
Koh Samui – Nathon Pier	11:30	14:15	850 THB
Koh Samui – Any Hotel	11:30	15:25	1,000 THB
Koh Phangan – Thongsala Pier	11:30	15:05	950 THB
Koh Phangan – Any Hotel	11:30	16:15	1,100 THB
Koh Tao	11:30	16:25	1,100 THB

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🚆 You Can Also Travel by Train — Surat Thani Railway Station

For travelers coming from Bangkok by train, Surat Thani Railway Station it is an important connection point.

Timetable and Faress
Destination	Departure	Arrival	Fares
Koh Samui – Nathon Pier	10:30	14:15	750 THB
Koh Samui – Any Hotel	10:30	15:25	900 THB
Koh Phangan – Thongsala Pier	10:30	15:05	850 THB
Koh Phangan – Any Hotel	10:30	16:15	1,000 THB
Koh Tao	10:30	16:25	1,000 THB

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✈️ Nakhon Si Thammarat Airport Is Another Gateway

Nakhon Si Thammarat Airport It is another option for travelers heading toward the Gulf of Thailand islands.

Timetable and Faress
Destination	Departure	Arrival	Fares
Koh Samui – Nathon Pier	09:00	14:15	850 THB
Koh Samui – Any Hotel	09:00	15:25	1,000 THB
Koh Phangan – Thongsala Pier	09:00	15:05	950 THB
Koh Phangan – Any Hotel	09:00	16:15	1,100 THB
Koh Tao	09:00	16:25	1,100 THB

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✈️ Chumphon Airport — A Gateway to Koh Tao

If Koh Tao is your destination, Chumphon Airport this is another convenient option.

Timetable and Faress
Destination	Departure	Arrival	Fares
Koh Tao	09:15	15:00	1,000 THB
Koh Phangan – Thongsala Pier	09:15	16:45	1,350 THB
Koh Phangan – Any Hotel	09:15	17:35	1,500 THB
Koh Samui – Bangrak Pier	09:15	17:45	1,450 THB
Koh Samui – Any Hotel	09:15	18:30	1,600 THB

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🚆 Chumphon Train Station → Koh Tao

Timetable and Faress
Destination	Departure	Arrival	Fares
Koh Tao	06:00	08:45	900 THB
Koh Phangan – Thongsala Pier	06:00	10:30	1,250 THB
Koh Phangan – Any Hotel	06:00	11:20	1,400 THB
Koh Samui – Bangrak Pier	06:00	11:30	1,350 THB
Koh Samui – Any Hotel	06:00	12:30	1,500 THB

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🚌 Bangkok → Thailand’s Islands

For travelers starting in Bangkok, Boonsiri provides connections from Khaosan Road to islands on available routes.

Timetable and Faress
Destination	Departure	Arrival	Fares
Koh Tao	05:00	20:30	1,250 THB
Koh Tao	22:00	08:45 next day	1,250 THB
Koh Phangan – Thongsala Pier	05:00	10:30	1,350 THB
Koh Phangan – Any Hotel	05:00	17:35	1,500 THB
Koh Samui – Bangrak Pier	05:00	17:45	1,450 THB
Koh Samui – Any Hotel	05:00	18:30	1,600 THB

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✈️ Suvarnabhumi and Don Mueang → Koh Tao, Koh Phangan and Koh Samui

For travelers flying into Thailand through Suvarnabhumi Airport or Don Mueang Airport you can continue onward to the islands.

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Suvarnabhumi Airport → Koh Tao / Koh Phangan / Koh Samui

Timetable and Faress
Destination	Departure	Arrival	Fares
Koh Tao	20:00	08:45 next day	1,500 THB
Koh Phangan – Thongsala Pier	20:00	10:30 next day	1,600 THB
Koh Phangan – Any Hotel	20:00	11:20 next day	1,750 THB
Koh Samui – Bangrak Pier	20:00	11:30 next day	1,700 THB
Koh Samui – Any Hotel	20:00	12:30 next day	1,850 THB

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🏖️ Hua Hin → Koh Tao, Koh Phangan and Koh Samui

Timetable and Faress
Destination	Departure	Arrival	Fares
Koh Tao	08:00	15:00	1,250 THB
Koh Tao	01:00	08:45	1,250 THB
Koh Phangan – Thongsala Pier	08:00	16:45	1,350 THB
Koh Phangan – Thongsala Pier	01:00	10:30	1,350 THB
Koh Phangan – Any Hotel	08:00	17:35	1,500 THB
Koh Phangan – Any Hotel	01:00	11:20	1,500 THB
Koh Samui – Bangrak Pier	08:00	17:45	1,450 THB
Koh Samui – Bangrak Pier	01:00	11:30	1,450 THB
Koh Samui – Any Hotel	08:00	18:30	1,600 THB
Koh Samui – Any Hotel	01:00	12:30	1,600 THB

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🌴 Pattaya → Koh Tao, Koh Phangan and Koh Samui

Timetable and Faress
Destination	Departure	Arrival	Fares
Koh Tao	18:00	08:45 next day	1,600 THB
Koh Phangan – Thongsala Pier	18:00	10:30 next day	1,700 THB
Koh Phangan – Any Hotel	18:00	11:20 next day	1,850 THB
Koh Samui – Bangrak Pier	18:00	11:30 next day	1,800 THB
Koh Samui – Any Hotel	18:00	12:30 next day	1,950 THB

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🗺️ Sample 10–14 Day Thailand 2 Seas Journey

DAY 1–3 🐢 Koh Tao

Diving + Koh Nang Yuan + sunset

DAY 4–5 🌕 Koh Phangan

Beaches + nature + Full Moon Party, if your dates coincide with the event

DAY 6–7 🌴 Koh Samui

Beaches + Big Buddha + Ang Thong National Marine Park

DAY 8–9 🌿 Khao Sok

Cheow Lan Lake + floating raft stay + boat trip

DAY 10–11 💎 Koh Phi Phi

Maya Bay + Pileh Lagoon + Snorkeling

DAY 12 🧗 Krabi / Railay

Beaches + limestone cliffs

DAY 13 🪨 Phang Nga

James Bond Island + boat trip

DAY 14 🌅 Koh Lanta

Relax + sunset

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🚢 Boonsiri Sealine — Connecting Your Thailand 2 Seas Journey

One of the best things about traveling in Southern Thailand is the ability to connect cities, airports, railway stations, road transfers and ferries into one journey.

Boonsiri Sealine Boonsiri is not only a ferry service; on available routes, its land-and-sea connections can make multi-stop travel easier to plan.

Connections shown in the timetable include:

Bangkok – Khaosan Road
Suvarnabhumi Airport
Don Mueang Airport
Hua Hin
Pattaya
Chumphon
Chumphon Airport
Chumphon Train Station
Surat Thani
Surat Thani Airport
Surat Thani Train Station
Nakhon Si Thammarat Airport
Koh Tao
Koh Phangan
Koh Samui
Khao Sok
Krabi
Koh Phi Phi
Koh Lanta
Khao Lak
Trang

🌊 Gulf of Thailand

Koh Tao → Koh Phangan → Koh Samui

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🌿 Southern Thailand

Surat Thani → Khao Sok

↓ 🌊 Andaman Sea

Krabi → Koh Phi Phi → Phang Nga → Koh Lanta

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❤️ Visiting Thailand? Don’t Experience Only One Side of the Sea

If this is your first trip to Thailand, don’t ask only “Which island is the most beautiful?”

because each island offers something different.

Koh Tao lets you discover the underwater world.

Koh Nang Yuan offers spectacular sea views from above.

Koh Phangan combines nature with the Full Moon Party.

Koh Samui offers something for every travel style.

Ang Thong National Marine Park reveals limestone mountains rising from the sea.

Khao Sok takes you from the sea into rainforest and lake country.

Koh Phi Phi lets you follow the trail of The Beach.

Krabi lets you experience Railay.

Phang Nga lets you follow the James Bond trail.

and Koh Lanta lets you finish with slow travel.

The best part is...

you do not have to choose just one destination.

You can design a route that connects them.

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🇹🇭 Two Seas. One Journey. Endless Thailand.

The next time you plan a trip to Thailand,

don’t choose only “Gulf of Thailand or Andaman Sea?”

choose both.

Start your day diving in Koh Tao, party in Koh Phangan, relax in Koh Samui, stay on a floating raft at Cheow Lan Lake, walk the beaches of Koh Phi Phi, follow the film trail at Maya Bay, admire the cliffs of Railay, follow James Bond in Phang Nga, and finish with sunset in Koh Lanta.

All of this is Thailand.

And all of it can become one journey.

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🚢 Book Boonsiri Sealine and Start Your Journey

Plan your route, choose the airport or railway station that works best for you, choose your islands, and make the journey part of the experience.

Boonsiri Sealine Connect cities, airports, railway stations, road transfers and ferries to Southern Thailand destinations on available routes.

Bangkok → Chumphon → Koh Tao → Koh Phangan → Koh Samui → Surat Thani → Khao Sok → Krabi → Koh Phi Phi → Koh Lanta

Plan your trip and discover both sides of Thailand’s seas.

Travel timetable note: The schedules and fares shown in this article are based on the timetable for the service period 1 October 2026 – 31 May 2027 Please recheck departure times, fares and pickup/drop-off points before booking, as schedules may change.

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Frequently Asked Questions About Visiting Both Seas of Thailand

Can I visit the Gulf of Thailand and Andaman Sea in one trip?

Yes. You can plan a route such as Koh Tao → Koh Phangan → Koh Samui → Khao Sok → Krabi → Koh Phi Phi → Koh Lanta and adjust the number of days to suit your time and budget.

Does Boonsiri Sealine provide airport connections?

Connections are available from several travel hubs on available routes, including Chumphon Airport, Surat Thani Airport, Nakhon Si Thammarat Airport, Suvarnabhumi Airport and Don Mueang Airport.

Can I travel from a railway station to the islands with Boonsiri?

Routes are available from Chumphon Train Station and Surat Thani Train Station to island destinations according to the timetable.

Does Boonsiri Sealine provide combined land-and-sea travel?

On designated routes, Boonsiri provides connected land-and-sea travel, making it easier to plan from cities, airports or railway stations to the islands.

Can I visit Koh Tao, Koh Phangan and Koh Samui on the same trip?

Yes. All three islands can be combined into an island-hopping route such as Koh Tao → Koh Phangan → Koh Samui or you can travel in the opposite direction depending on your itinerary.

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