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Our Local FriendFull daySmall groupModerate

Trang 4 Islands Day Trip

Trang pier (confirm)

$43

per person · children ฿950 ฿1,300

Overview

Swim into the hidden Emerald Cave

Trang's quieter island circuit — swim through the dark Emerald Cave into a hidden lagoon, then snorkel the reefs off Koh Kradan and Koh Cheuk.

Your Day

What to expect

1
08:30
In-town pickup.
2
09:30
Boat to Koh Mook & the Emerald Cave swim-through.
3
11:30
Koh Kradan
buffet lunch on board & beach time.
4
13:30
Koh Cheuk snorkeling.
5
Afternoon
Return.

What's covered

Included & not included

Included 6

Boat & crew
Snorkel gear & life jacket
Lunch, water & ice
Island/park fees
Guide
Accident insurance

Not included 2

Hotel transfers (confirm)
Personal extras

Before you go

What to bring & what to leave

Bring with you 6

Reef-safe sunscreen (regular sunscreen is banned in the parks)
Swimwear under your clothes & a quick-dry towel
Dry bag for phone, cash & valuables
Hat, sunglasses & a light layer
Seasickness tablets if you're unsure
Some cash for snacks, tips & extras

Please leave behind 5

Single-use plastic bottles & bags
Drones (not permitted over national parks)
Hard liquor & loud speakers
Anything to collect coral, shells or sand
Oversized luggage — boat space is tight (bags over 20" may incur a fee)

Traveller fit

Who's this trip for?

Great fit

🕳️

Adventurers

the Emerald Cave swim is unforgettable

Great fit

🏝️

Crowd-avoiders

Maybe

😰

Nervous swimmers

the cave is a dark in-water passage

Honest Corner

— real talk before you book

You'll love this if…

You want an adventure most tourists miss
You'd love the dark swim into a hidden lagoon
You prefer quieter islands over the famous crowds

Worth knowing before you book

The Emerald Cave is a dark ~80m swim — not for the claustrophobic
Local operator — cost is a proxy
Confirm pickup zones in Trang