A high-energy full-day speedboat from Koh Samui through 42 islands of limestone karsts, hidden lagoons and coral reefs. Expect snorkeling, sea kayaking, a short viewpoint hike and a chance to see the park’s emerald inland lake.
More ways to explore the area's outdoor wonders
The speedboat cuts a white wake across glassy Gulf water, spray tasting faintly of salt and lime; limestone cliffs rise like sculpted towers and the islands hang green and sudden against a blue sky. By mid-morning the boat slips into a sheltered cove where masks click and fins whisper as snorkelers fan out over shallow reefs, while sea breezes push kayaks toward hidden beaches.
Difficulty
moderate
Duration
8 hours
Fitness Level
Suitable for travelers with average fitness; involves short steep hikes and light paddling.
Wildlife
History
Ang Thong was designated a national marine park to protect its islands and marine ecosystems, reflecting Thailand’s effort to balance local marine livelihoods with conservation.
Conservation
Boat traffic and reef damage are managed by park regulations—stick to marked trails, don’t touch coral, and use operators that follow park quotas and waste rules.
Reserve your spot on the Angthong Park Speedboat Tour: Sightseeing & Snorkelling Adventure today and enjoy a trusted, highly rated experience designed to help you make the most of your adventure.
Morning departures are calmer
Book the early speedboat to minimize choppy seas and secure better snorkeling visibility before winds pick up.
Bring reef-safe sunscreen
Coral is sensitive—use reef-safe sunblock and reapply in dry clothes to reduce runoff into the water.
Footwear for viewpoints
Carry lightweight trail shoes or sturdy sandals for slippery rock steps and short hikes to lookouts.
Hydrate and bring a small dry bag
Tropical sun dehydrates fast; a dry bag keeps phone, camera and spare clothes safe while kayaking.
Well-fitting snorkel mask
Improves comfort and visibility compared with rental masks.
summer
Reef-safe sunscreen
Protects skin and the marine environment from harmful chemicals.
summer
Lightweight water shoes or sandals
Protects feet on rocky beaches and during the viewpoint walk.
summer
Small dry bag (5–10L)
Keeps valuables and a change of clothes dry while kayaking or on deck.
summer