Angthong National Marine Park Big-Boat Day Trip from Koh Samui

THE ADVENTURE COLLECTIVE® · Independent discovery and booking for outdoor travel

Read the full experience

You step aboard as the sun lifts over Koh Samui, salt on the air and a wide blue opening before you. The big boat peels away from the pier; for about 1 hour 45 minutes you ride a steady swell toward a scatter of limestone islands, each one a cliff-hemmed island that seems to challenge you to explore it.

Trip highlights

Difficulty

easy.

Duration

8 hours.

Fitness level

Suitable for general travelers with basic mobility; requires climbing short steep steps to viewpoints and boarding small long-tail boats.

Frequently asked questions

Is snorkeling gear provided?

Basic snorkeling equipment is included for shore snorkeling; for deeper or clearer sites operators sometimes recommend speedboat trips instead.

How long is the boat ride from Koh Samui?

The big-boat cruise to the park takes about 1 hour 45 minutes one-way, with the full tour lasting roughly 8 hours including transfers and meals.

Can beginners kayak?

Yes—kayaking options are available and suitable for beginners with calm-water instruction and equipment provided for the kayaking program.

Are there food options onboard?

Yes—light breakfast is served on departure and a Thai buffet lunch with fresh fruit is provided midday; bring any special dietary items if needed.

Local insights

Wildlife

Tropical reef fish and occasional sea turtles
Sea eagles and other coastal seabirds

History

The archipelago was designated a marine national park to protect its islands and reefs; its limestone formations are part of the region’s geologic uplift and coral growth.

Conservation

Visitors should use reef-safe sunscreens, avoid stepping on coral, and follow guides’ instructions—marine protection rules keep reefs healthy for snorkeling and fishing communities.

About Koh Samui Tour & Transportation

Koh Samui Tour & Transportation operates guided outdoor trips and adventures with an emphasis on safety, stewardship, and memorable experiences.

Base locationKoh Samui, Surat Thani

Tours offered4+

Specialtyboat-charters

StewardshipLeave No Trace

Adventure tips

Bring reef-safe sunscreenThe park restricts chemical sunscreens; use reef-safe lotion and reapply before entering water.

Wear water shoesBeaches and shore entries can be rocky—light water shoes protect feet during snorkeling and kayak launches.

Take motion-sickness medsThe crossing is up to 1 hour 45 minutes in open water—plan medication if you’re prone to seasickness.

Start early and hydratePickup begins around 07:15; bring water and snacks for comfort between boat stops.

Recommended gear

Reef-safe sunscreen: Protects skin while minimizing damage to coral and marine life.
Water shoes: Useful for rocky shore entries, kayak launches, and walking on coral-slab beaches.
Quick-dry swimwear & towel: Dries fast between swims and keeps you comfortable on the boat.
Dry bag or waterproof phone case: Keeps phone, ID and cash dry during transfers and on long-tail boats.