Tours in Koh Samui

Palm-fringed island in the Gulf of Thailand.

By activity: Jet Ski · Boat & catamaran rental · Sea kayak & canoe · Boat & catamaran tours · Fishing charter · Sailing & yacht charter · Kitesurf, wing & windsurf · Scuba diving

Koh Samui · Jet Ski

Koh Samui Jet Ski Tour — 4 Hours

Run from Maenam Beach across to Koh Phangan on a full four-hour safari, with three beach stops on the way, snorkel gear in the seat. ฿8,000 per jet ski for up to two riders on the four-hour ride.

4h up to 2 guests 4.6(432)

from ฿8,000 per jet ski for up to 2 riders on the four-hour guided safari to Koh Phangan

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Koh Samui · Jet Ski

Koh Samui Jet Ski Tour — 3 Hours

The shorter Maenam Beach safari: three hours out towards Koh Phangan with three beach stops and snorkel masks in the seat. ฿6,500 per jet ski for up to two riders.

3h up to 2 guests 4.6(432)

from ฿6,500 per jet ski for up to 2 riders on the three-hour guided safari

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Koh Samui · Boat & catamaran tours

Ang Thong Marine Park Day Trip by Speedboat

Ang Thong Marine Park by speedboat — the Emerald Lake, snorkelling at Koh Wao and kayaking under the cliffs. From ฿2,300 per person plus a ฿300 park fee, an eight-hour day from Bangrak pier, Samui, pickup at 08:30.

8h up to 38 guests New

from ฿2,300 per person for the speedboat day with hotel transfer, meals, kayaks and snorkel gear

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Koh Samui · Boat & catamaran tours

Koh Tao & Koh Nang Yuan Day Trip by Speedboat

Koh Tao & Koh Nang Yuan by speedboat — the sandbar viewpoint and three snorkel stops in the clear water off Koh Tao. From ฿2,300 per person plus a ฿250 Nang Yuan island fee, an 8.5-hour day from Bangrak pier, Samui, pickup at 08:00.

8h 30min up to 38 guests New

from ฿2,300 per person for the speedboat day with hotel transfer, meals and snorkel gear

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Koh Samui · Sea kayak & canoe

Ang Thong Marine Park — Sea Kayak & Snorkel Day Tour

A full day in Ang Thong National Marine Park with two kayak sessions, snorkelling at Koh Tai Plao and the Emerald Lake viewpoint. ฿2,800 per person, marine park fee and hotel transfer included, 07:00 to about 18:00 from a 23-metre tour boat out of Nathon pier.

11h 4.3(44)

from ฿2,800 per person (฿2,700 p.p. from 3 people, ฿2,600 p.p. from 5)

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Koh Samui · Sailing & yacht charter

Full-Day Private Yacht Charter from Bangrak — Koh Samui

Eight hours with a yacht entirely to your group: Koh Samui or Koh Phangan, breakfast and lunch on board, drinks all day and a sunset on the way back to Petcherat Pier. ฿79,000 for the charter, up to twenty aboard, from Petcherat Pier at Bangrak.

8h up to 20 guests 5.0(1044)

from ฿79,000 per yacht, a full-day private charter for up to 20 people to Koh Samui or Koh Phangan

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Koh Samui · Boat & catamaran rental

Half-Day Private Thai Yacht Charter to Pig Island — Koh Samui

A classic wooden Thai yacht hired for your group for the afternoon or the morning: Samui's Five Islands, snorkelling and mangrove kayaking at Koh Taen, and the pigs of Ko Mat Sum. ฿25,900 for the Blue Dragon with six people included, and ฿1,200 for each extra adult.

4h 45min up to 35 guests 4.9(532)

from ฿25,900 per boat, the Blue Dragon for a half day with 6 people included

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Koh Samui · Sailing & yacht charter

Private Sunset Sail on a 52ft Yacht — Koh Samui

A sunset charter under sail towards Koh Som and Koh Phangan on the Independence, a 52ft sailing yacht chartered privately for your group, with tapas, open bar and a bottle of champagne as the sun goes down. ฿22,000 for the charter with two guests included and ฿2,500 for each extra, up to six aboard.

3h up to 6 guests 4.9(95)

from ฿22,000 per boat, the Independence sunset charter with 2 guests included

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Koh Samui · Kitesurf, wing & windsurf

Kitesurfing Discovery Session at Hua Thanon

The entry-level kitesurfing session at Mahalo's spot in Hua Thanon, southern Koh Samui: three hours of beach theory, safety systems, kite control and water practice with a private instructor. ฿7,000 for the session, all equipment and equipment insurance included.

3h 4.9(181)

from ฿7,000 per session, the three-hour Discovery Session with a private instructor

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Koh Samui · Scuba diving

Sail Rock Dive Trip from Koh Samui

Two dives on Sail Rock (Hin Bai), the granite pinnacle between Samui and Phangan — the chimney swim-through, barracuda schools and regular whale shark sightings. From ฿4,650 per person, a full day of about 8 hours with hotel pickup at 07:45. Certified divers only.

8h 4.9(1530)

from ฿4,650 per person for 2 dives at Sail Rock, certified divers only

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Koh Samui · Scuba diving

Snorkelling from the Dive Boat — Koh Tao, Sail Rock or the Marine Park

A snorkelling place on the dive boat of a Swiss-run Samui dive centre, heading for the Marine Park, Koh Tao or Sail Rock. ฿2,900 per participant with lunch and, from Bophut, Chaweng, Bangrak or Choengmon, a free hotel transfer.

4.9(1014)

from ฿2,900 per participant

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Koh Samui · Fishing charter

TopCats — Full Day Trophy Fishing on a Lake, Koh Samui

Twelve hours, 08:00 to 20:00, on the specimen lake at Taling Ngam in the south-west of Koh Samui: giant Siamese carp, Mekong catfish and Amazon redtails, with two rod set-ups, a full bait pack and a guide who nets and unhooks for you. ฿7,000 per person fishing, under a no-catch-no-cash policy.

12h 4.6(371)

from ฿7,000 per person fishing

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Koh Samui · Scuba diving

Try Scuba Diving at Koh Tao — Day Trip from Samui

Two supervised dives to a maximum of 12 metres at Koh Tao, no certification needed, with a maximum of two students per instructor. ฿5,900 per person, a day of about eight hours on the centre's own speedboat with hotel pickup at 08:00.

8h 5.0(532)

from ฿5,900 per person for two supervised dives at Koh Tao, no certification needed

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Guides & articles about Koh Samui

Tips, destinations and everything water-sports.

Koh Samui · 14 min

Things to do on the water in Koh Samui

Eight categories, eight entry points and three different units: ฿2,300 per person for a speedboat day, ฿2,800 for sea kayaking, ฿8,000 per jet ski, ฿22,000 for a sunset sail and ฿79,000 for a yacht for the day. Who leaves from where, why the season runs the other way round to Phuket and what to settle before you pay.

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Koh Samui · 8 min

A Week on Koh Samui: What It Costs for Two and Where the Money Leaks

One Koh Samui week costed for two from the operators' own prices — three sea days at ฿16,100 ≈ $446, the full version at ฿44,600 ≈ $1,235 — plus the park fees, transfers and charter thresholds that budgets keep missing.

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Koh Samui · 9 min

Koh Samui Island: Where It Is, Which Sea It Sits In and When to Go

Koh Samui island in one orientation: the Gulf of Thailand rather than the Andaman, 35 km off Don Sak, four coasts with different exposures, the ferry and flight numbers, and what a day on the water costs.

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Koh Samui · 9 min

Koh Samui Tours and Excursions: What Actually Runs and What It Costs

Every sea trip that leaves Koh Samui, with operator prices, durations and piers: the two big speedboat days, the kayak day, diving, private charters, jet ski, kite and lake fishing — plus what the price does not cover.

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Koh Samui · 11 min

Koh Samui in 4 days: a water itinerary that actually fits together

All twelve Koh Samui sea days in one sequence: which coast each one leaves from, which of them is fixed to certain weekdays, what has to move if the weather does, and what four days cost for two people.

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Koh Samui · 9 min

Koh Samui with kids: which trips work at which age

Four of the twelve sea outings on Koh Samui name an age, four publish a child rate without one, and four say nothing. Here is which is which, what the numbers are, and what a family of four pays on each.

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