A day trip to the 4 islands off Trang coast

Itinerary
Koh Mook (Morakot Cave, Sivalai Beach resort), 
Koh Kradan (The Reef Resort, snorkelling)
Koh Chuak (snorkelling)
Koh Ngai (Thanya Beach Resort)

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With excellent weather, palm-fringed beaches and warm ocean, Thailand is an island-hopping destination all year round.
The Trang Islands can be described as the ideal exotic retreat that most people dream of when planning a tropical holiday. 
Some of the islands off Trang province are almost unknown to foreign tourists; to name a few: Koh Libong, Koh Phetra, Koh Sukorn, Koh Bulon, Koh Lao Liang. 
I guess you never heard of them, even if you are a repeating visitor of Thailand.

Others are a little more in the radar, yet still overshadowed by the like of Koh Lipe, Koh Lanta, Koh Samui, Koh Phi Phi, Koh Phangan and Koh Tao: this second group includes Koh Kradan, Koh Ngai and Koh Muk, boasting the most pristine and romantic beaches in the area and offering a large choice of beach front resorts and accommodation. 
The sea encircling these islands is a palette of transparent turquoise and azure.

A day trip from Krabi
For a weekend day trip to the above mentioned islands off Trang coast, my friends and I started from Krabi, driving our car from Ao Nang to Pak Meng pier, at the border between Krabi and Trang provinces. It’s a pleasant 90 minute drive on good roads bordered by palm tree plantations and limestone mountains. 
In Pak Meng harbour we boarded a private long tail boat for the day.

Koh Muk
After about 30 minutes, we arrived in Ko Muk, the first island on our planned itinerary.
Koh Muk (sometimes spelled Mook) is best known for the Morakot Cave (or Emerald Cave), for its range of both affordable and upscale accommodation (Farang Beach vs Sivalai beach) and for the spectacular sunsets that visitors can admire from the West coast.
Koh Muk is especially convenient as a base for day-trips to the Morakot Cave, where a sea tunnel leads to a secret beach inside what looks like a volcanic crater cave, or to the nearby islands.
Plan to visit the cave at low tide and avoid the weekends, when many local tourists assemble at the entrance and the queue can be a little overwhelming inside the sea tunnel. 
It happened to us on our Sunday trip but despite the long line of weak swimmers who had to be pulled inside by local guides through long ropes, creating some noise and traffic jams on one side of the tunnel, the wonderland that awaits at the other side still left us speechless and happy.
After spending some time at Morakot, we cruised along the west side of the island, past Farang Beach and the backpacker’s nest called Charlie Beach Resort, until we reached the Sivalai Resort.

The Koh Mook Sivalai Beach Resort lies on a quiet, white sand peninsula of pristine beaches bordered by shallow waters and fringed by palm trees. All the wooden and concrete bungalows and villas have a partial or full sea view and are shaded by exotic vegetation. We stopped at the Sivalai for a swim and a walk around the cape, then left for our next destination,  a 15-minute ride away.

Koh Kradan
Koh Kradan is probably the most famous of the group thanks to the stark sugary white sand beaches and transparent waters very much alive with fish. You can snorkel right off the main beach (Kradan Beach) and at low tide you can even walk or paddle out to the reef. 
We decided to stop at the main beach and have lunch at The Reef Resort, a corner of paradise consisting of simple but very well designed beach front and sea view rooms. And when I say "sea view" I mean it: the distance from each of the 18 rooms to the powdery beach of Kradan is probably 50 steps, and the sea view is the most amazing you will get on the island.
The resort’s owner is Italian but The Reef is very popular with North Europeans; many are repeating guests who have been returning to Koh Kradan for years.
If you visit the resort, spend some time at the lovely beach bar, reading the wooden plates that affectionate customers carved or painted for decoration and that are now part of the roof.
I recommend you to grab a bite at the hotel’s beach restaurant: the Thai and Italian cuisine is delicious, and the scenery one that you won’t forget.

Koh Chuak & Koh Ngai
After lunch and some snorkelling in Koh Kradan, we continued to the last island in our program, Koh Ngai, stopping on the way for more snorkelling in Koh Chuak, a little diamond-shaped limestone islet located between Koh Ngai and Koh Mook.
There are no beaches and accommodation in Koh Chuak, but the islet is not to be skipped if you like snorkelling: its aquamarine waters are bustling with fish and soft corals.
The last island we visited, Koh Ngai, boasts crystal waters, white sand beaches and some coral reefs (although not as beautiful as the reef in Koh Kradan & Chuak). 
Among the Trang Islands, Koh Ngai has the most unspoiled jungle and it’s home to monitor lizards, snakes and a great variety of birds (including 2000 hornbills!)
The resorts on Koh Ngai are mostly upper/mid-range. 
My favorite is Thanya Beach Resort with its Balinese style teak bungalows facing the beach and a nice, large swimming pool. All the buildings are immersed in a beautiful frangipani-filled tropical garden. The atmosphere is exotic and romantic, no wonders that the Thanya in Koh Ngai is a favorite destination for honeymooners.
In high season (November to April) Tigerline ferries stop just off Koh Ngai on their journeys between the islands of Phuket and Koh Lipe, while local long tail boats can be rent in Pak Meng for island hopping in the area. Join speed boats also run daily at fixed times.
After taking a photo tour in the marvellous garden of the Thanya Resort, admiring the tall frangipani trees and other lesser known but equally stunning trees and plants, we relaxed on the beach and enjoyed a last swim in the warm waters in front of the resort.
A large school of fish, like a storm cloud darkening the sea, kept following us while the islets-filled horizon started to turn from blue to gold. Sunset was coming, and it was time to start the journey back to Pak Meng pier to keep ahead of darkness. 
We reached Krabi around 8 pm, happy, relaxed and charmed once again by the sensational scenery  of Southern Thailand.

Good to know

When to go
Koh Muk, Koh Kradan and Koh Ngai are subject to the same monsoon as the rest of South-Western Thailand. The rainy season starts in May and keeps going until October; during this time many hotels are closed and transportation to and from the Trang Islands is not guaranteed
The dry season runs from November to April: the weather is generally amazing, you can expect blue sky, lot of sunshine and calm seas.
For this reason, dry season means high season: hotels can be fully booked and more expensive during the Christmas Holidays, New Year’s and Chinese New  Year.

How to go to the Trang Islands
If you are staying in Bangkok or up north in the country, you should fly to Trang city, then hop on a shared or private minivan to Pak Meng Pier, a 40-minute drive away. 
If you are already in the South, the best way to reach Trang is by driving your own car or taking a bus: a spiderweb of bus routes connect all the main Southern cities. 

Join boats to Koh Mook and Koh Kradan departs from Pak Meng every day, however due to the current pandemic the ferry service is not as frequent as before. 
Unless you are willing to rent a private long tail boat from the pier, I advice you to check the boat schedule in advance.
Prices for a private long tail boat start from 3000 THB per boat for a full day tour touching Koh Kradan, Koh Muk, Koh Ngai and Koh Chuak. 
If you only need a transfer from Pak Meng pier to one of the island, the easiest way is to contact your hotel in advance, they will recommend and/or book a long tail transfer based on your needs.

How to island hop
In high season, island hopping is an easy ride. Hotel staff can book a join or private transfer for you to explore the whole area, including the nearby southern islands of Koh Libong, Koh Lao Liang and Koh Sukorn which we didn’t explore on this trip due to lack of time.