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Koh Samui & Gulf Islands

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15 Best Koh Samui & Gulf Islands Tours In Thailand

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1-Day Tours, Cruises & Boat Tours, Koh Samui & Gulf Islands, Scuba Diving, Surat Thani Province, Tour Reviews

Koh Samui: Day Trip Diving at Sail Rock

Koh Samui: Day Trip Diving at Sail Rock - The 9-hour schedule on Koh Samui: how the day actually flows

4.8Surat Thani ProvinceKoh Samui: Day Trip Diving at Sail Rock9 hours$186

August 2, 2026

3-Day Experiences, Koh Samui & Gulf Islands, Koh Tao, Scuba Diving, Tour Reviews

3 Days PADI Open Water Scuba Diving in Koh Tao

5.0Koh Tao3 Days PADI Open Water Scuba Diving in Koh Tao$437.37

August 3, 2026

Ko Pha Ngan, Koh Samui & Gulf Islands, Quad Bikes, Tour Reviews

Koh Phangan ATV Jungle & Viewpoints Adventure

Koh Phangan ATV Jungle & Viewpoints Adventure - Where You Start: Ban Tai Base and Transfer Reality

4.5Ko Pha NganKoh Phangan ATV Jungle & Viewpoints Adventure$58.08

August 3, 2026

Canoes & Kayaks, Koh Samui & Gulf Islands, Lunch Experiences, Snorkeling, Surat Thani Province, Tour Reviews

Koh Samui Premium Ang Thong Kayaking & Snorkeling with Lunch

Koh Samui Premium Ang Thong Kayaking & Snorkeling with Lunch - Getting to Petcherat Marina: the part you should not ignore

4.2Surat Thani ProvinceKoh Samui Premium Ang Thong Kayaking & Snorkeling with Lunch8 hours$61

August 3, 2026

Dolphin Watching, Koh Samui & Gulf Islands, Surat Thani, Tour Reviews, Tours

Dolphin Watching Tan and Pig Island Tour from Koh Samui

Dolphin Watching Tan and Pig Island Tour from Koh Samui - New Beach (and Nang Kam in Dec–Feb): your sun-and-lunch reset

4.0Surat ThaniDolphin Watching Tan and Pig Island Tour from Koh Samui$67.38

August 3, 2026

Ko Tao, Koh Samui & Gulf Islands, Tour Reviews

Koh Tao: Visit to Koh Nang Yuan with Hotel Transfers

Koh Tao: Visit to Koh Nang Yuan with Hotel Transfers - The transfer plan from Koh Tao (and why it’s the whole point)

4.4Ko TaoKoh Tao: Visit to Koh Nang Yuan with Hotel Transfers$83

August 3, 2026

Bophut, Koh Samui & Gulf Islands, Snorkeling, Tour Reviews

The Pigs Island snorkeling trip from Koh Samui by Speedboat

The Pigs Island snorkeling trip from Koh Samui by Speedboat - The boat route: why the timing feels right

4.0BophutThe Pigs Island snorkeling trip from Koh Samui by Speedboat$58

August 3, 2026

Fishing, Koh Samui, Koh Samui & Gulf Islands, Tour Reviews, Tours

Koh Samui Fishing Tour Mr Ung’s

Koh Samui Fishing Tour Mr Ung's - The day’s flow from Thong Krut: an organized start and smooth timing

4.0Koh SamuiKoh Samui Fishing Tour Mr Ung’s$210.77

August 3, 2026

Koh Samui, Koh Samui & Gulf Islands, Tour Reviews, Tours

Koh Samui Off Road Jungle Tour

Koh Samui Off Road Jungle Tour - Stop 1: Wat Phra Yai (Big Buddha) and why the timing works

5.0Koh SamuiKoh Samui Off Road Jungle Tour$53

August 3, 2026

Half-Day, Koh Samui, Koh Samui & Gulf Islands, Private, Tour Reviews, Tours

Private Half-Day Koh Samui Tour

Private Half-Day Koh Samui Tour - Lady Monk temple and the Mummified Monk: Thai Buddhism in a compact route

3.0Koh SamuiPrivate Half-Day Koh Samui Tour$156.89

August 3, 2026

Ayutthaya & Temples, Full-Day, Koh Samui & Gulf Islands, Surat Thani Province, Tour Reviews, Tours

Temple Tour Around Koh Samui Full Day Excursion

Temple Tour Around Koh Samui Full Day Excursion - Big Buddha (Wat Phra Yai): The Landmark You’ll Keep Coming Back To

5.0Surat Thani ProvinceTemple Tour Around Koh Samui Full Day Excursion6.5 hours$72

August 5, 2026

Cruises & Boat Tours, Island Snorkeling & Boat Trips, Ko Lanta, Koh Samui & Gulf Islands, Phi Phi & Maya Bay, Tour Reviews, Tours

Snorkel Tour to Phi Phi Islands by Speed Boat from Koh Lanta

Snorkel Tour to Phi Phi Islands by Speed Boat from Koh Lanta - Viking Cave and Pileh Lagoon: Limestone Scenery That Actually Connects

4.0Ko LantaSnorkel Tour to Phi Phi Islands by Speed Boat from Koh Lanta$52.08

August 5, 2026

Cruises & Boat Tours, Ko Lanta, Koh Samui & Gulf Islands, Phuket Tours, Tour Reviews

Koh Lanta to Phuket by Satun Pakbara Speed Boat

Koh Lanta to Phuket by Satun Pakbara Speed Boat - The boat ride: speed, shared stops, and why seating can vary

3.5Ko LantaKoh Lanta to Phuket by Satun Pakbara Speed Boat$48.83

August 4, 2026

Cruises & Boat Tours, Evening Experiences, Full-Day, Koh Samui, Koh Samui & Gulf Islands, Tour Reviews

Koh Samui to Koh Phangan Island Full-Day Cruise with Sunset

Koh Samui to Koh Phangan Island Full-Day Cruise with Sunset - Stop 1 on Koh Phangan: Two Hours for Sea Views and Island Time

5.0Koh SamuiKoh Samui to Koh Phangan Island Full-Day Cruise with Sunset$110.15

August 4, 2026

Koh Samui, Koh Samui & Gulf Islands, Massage & Relaxation, Spa & Hot Springs, Tour Reviews

Koh Samui: Sauna and Spa Relaxation Package

Koh Samui: Sauna and Spa Relaxation Package - Welcome drink and fruit plate: a calm start before the heat

4.9Koh SamuiKoh Samui: Sauna and Spa Relaxation Package$93

August 6, 2026

Bophut, Koh Samui & Gulf Islands, Tour Reviews, Tours

Koh Phaluai and Ang Thong Marine Park Tour by Speedboat from Koh Samui

Koh Phaluai and Ang Thong Marine Park Tour by Speedboat from Koh Samui - Wua Ta Lap Viewpoint: The Best “Big View” Window

4.0BophutKoh Phaluai and Ang Thong Marine Park Tour by Speedboat from Koh Samui$76.66

August 6, 2026

Cruises & Boat Tours, Ko Tao, Koh Samui & Gulf Islands, Tour Reviews, Tours

Koh Samui: Dive Tour to Sail Rock

Koh Samui: Dive Tour to Sail Rock - Koh Samui logistics: the van + speedboat rhythm

4.1Ko TaoKoh Samui: Dive Tour to Sail Rock7 hours$204

August 5, 2026

Koh Samui & Gulf Islands, Surat Thani Province, Tour Reviews

Koh Samui: Speedboat Adventure to Angthong’s Hidden Gems

Koh Samui: Speedboat Adventure to Angthong's Hidden Gems - The 45-minute speedboat ride into Mu Ko Ang Thong

3.9Surat Thani ProvinceKoh Samui: Speedboat Adventure to Angthong’s Hidden Gems7.5 hours$68

August 6, 2026

Koh Samui & Gulf Islands, Private Drivers, Surat Thani Province, Tour Reviews, Zip Lines

Koh Samui: Zipline Adventure with Hotel Transfer

Koh Samui: Zipline Adventure with Hotel Transfer - The 14-Line Zipline Course: Sky Walkway Views and 33 Platforms

4.5Surat Thani ProvinceKoh Samui: Zipline Adventure with Hotel Transfer3.5 hours$64

August 6, 2026

Go-Karts, Ko Samui, Koh Samui & Gulf Islands, Tour Reviews

EasyKart Koh Samui (Chaweng Lake): Go-Kart Racing Experience

EasyKart Koh Samui (Chaweng Lake): Go-Kart Racing Experience - Choosing Your Kart: Kid, Regular, Double Seater, or Fast

4.3Ko SamuiEasyKart Koh Samui (Chaweng Lake): Go-Kart Racing Experience1 day$16

August 6, 2026

Bophut, Koh Samui & Gulf Islands, Private, Tour Reviews, Tours

Unspoiled Island Escape: Private Speedboat Tour from Koh Samui

Unspoiled Island Escape: Private Speedboat Tour from Koh Samui - Stop-by-Stop: What Each Island Time Feels Like

3.0BophutUnspoiled Island Escape: Private Speedboat Tour from Koh Samui$514.11

August 6, 2026

Koh Samui, Koh Samui & Gulf Islands, Private, Private Drivers, Tour Reviews

Koh Samui: Private 4×4 Jungle Adventure with Expert driver

Koh Samui: Private 4x4 Jungle Adventure with Expert driver - Hotel Pickup and the 4x4 Comfort Factor

4.6Koh SamuiKoh Samui: Private 4×4 Jungle Adventure with Expert driver$217

August 5, 2026

Cruises & Boat Tours, Ko Madsum, Koh Samui & Gulf Islands, Tour Reviews, Tours

Koh Samui: Amazing Pig Island Tour – Cruise Ship Tours

Koh Samui: Amazing Pig Island Tour - Cruise Ship Tours - Meeting at Nathon: The Part That Makes or Breaks Your Day

2.9Ko MadsumKoh Samui: Amazing Pig Island Tour – Cruise Ship Tours5 hours$91

August 11, 2026

Canoes & Kayaks, Cruises & Boat Tours, Koh Samui, Koh Samui & Gulf Islands, Tour Reviews

Angthong National Marine Park Trip + Kayaking By Big Boat From Koh Samui

Angthong National Marine Park Trip + Kayaking By Big Boat From Koh Samui - Big boat to Mu Ko Ang Thong: transfers are the hidden “activity”

3.5Koh SamuiAngthong National Marine Park Trip + Kayaking By Big Boat From Koh Samui$50.29

August 6, 2026

Ko Lanta, Koh Samui & Gulf Islands, Phi Phi & Maya Bay, Snorkeling, Tour Reviews, Tours

Maya Bay, Monkey Bay and Phi Phi Island Snorkeling Tour from Koh Lanta

Maya Bay, Monkey Bay and Phi Phi Island Snorkeling Tour from Koh Lanta - Maya Bay and the Phi Phi Le viewpoint: what you’ll actually see

3.5Ko LantaMaya Bay, Monkey Bay and Phi Phi Island Snorkeling Tour from Koh Lanta$68.58

August 11, 2026

1-Day Tours, Ko Lanta, Koh Samui & Gulf Islands, Tour Reviews, Tours

One Day Tour to Koh Rok & Koh Haa By Tin Adventure Sea Tour from Koh Lanta

One Day Tour to Koh Rok & Koh Haa By Tin Adventure Sea Tour from Koh Lanta - Koh Lanta Pickup and Pier Timing: How the Morning Flows

4.5Ko LantaOne Day Tour to Koh Rok & Koh Haa By Tin Adventure Sea Tour from Koh Lanta$64.12

August 12, 2026

Bophut, Koh Samui & Gulf Islands, Private Drivers, Tour Reviews

Roundtrip Transfer from Full Moon Party Koh Samui to Koh Phangan

Roundtrip Transfer from Full Moon Party Koh Samui to Koh Phangan - Hotel Pickup to Koh Phangan: The Simple Plan That Works

5.0BophutRoundtrip Transfer from Full Moon Party Koh Samui to Koh Phangan$47

August 11, 2026

Bophut, Cruises & Boat Tours, Island Snorkeling & Boat Trips, Koh Samui & Gulf Islands, Tour Reviews, Tours

Snorkel Tour to Koh Nangyuan and Koh Tao by Speed Boat from Koh Samui

Snorkel Tour to Koh Nangyuan and Koh Tao by Speed Boat from Koh Samui - Breakfast, Fruit, and Lunch: Food That Actually Keeps Up With the Schedule

3.5BophutSnorkel Tour to Koh Nangyuan and Koh Tao by Speed Boat from Koh Samui$62.69

August 12, 2026

Ko Lanta, Koh Samui & Gulf Islands, Krabi & Railay, Private, Tour Reviews

Koh Lanta Private Transfers to or from Krabi Airport (KBV)

Koh Lanta Private Transfers to or from Krabi Airport (KBV) - The airport pickup system at KBV (Krabi Airport)

5.0Ko LantaKoh Lanta Private Transfers to or from Krabi Airport (KBV)$93.80

August 12, 2026

Cruises & Boat Tours, Ko Samui, Koh Samui & Gulf Islands, Private, Tour Reviews, Tours

Koh Samui: Private Island Hopping Boat Tour

Koh Samui: Private Island Hopping Boat Tour - Choose your islands: Koh Rap, Koh Madsum Pig Island, and Koh Tan

3.3Ko SamuiKoh Samui: Private Island Hopping Boat Tour7 hours$191

August 11, 2026

Half-Day, Koh Samui & Gulf Islands, Private, Surat Thani City, Tour Reviews, Tours

Koh Samui: Private Half-day Taxi Tour in the South

Koh Samui: Private Half-day Taxi Tour in the South - Morning or afternoon: the 4-hour structure that keeps it fun

4.6Surat Thani CityKoh Samui: Private Half-day Taxi Tour in the South$77

August 12, 2026

1-Day Tours, Koh Samui, Koh Samui & Gulf Islands, Snorkeling, Tour Reviews, Tours

From Samui: Koh Tao and Nangyuan Snorkeling Tour Day Trip

From Samui: Koh Tao and Nangyuan Snorkeling Tour Day Trip - Samui departure: the pier snack, the equipment setup, and the crossing

4.2Koh SamuiFrom Samui: Koh Tao and Nangyuan Snorkeling Tour Day Trip$71

August 11, 2026

Hin Ta Hin Yai Rocks, Koh Samui & Gulf Islands, Private, Tour Reviews, Tours

PRIVATE ISLAND TOUR ECO AROUND KOH SAMUI HALF DAY EXCURSION

PRIVATE ISLAND TOUR ECO AROUND KOH SAMUI HALF DAY EXCURSION - Private timing: pick-up windows and how the route flows

4.4Hin Ta Hin Yai RocksPRIVATE ISLAND TOUR ECO AROUND KOH SAMUI HALF DAY EXCURSION5 hours$225

August 14, 2026

Ko Pha Ngan, Koh Samui & Gulf Islands, Tour Reviews, Zip Lines

Sky High Zipline and Wang Sai Waterfall Views on Koh Phangan

Sky High Zipline and Wang Sai Waterfall Views on Koh Phangan - Via Ferrata: The 30-Meter Climb With a Belay System

5.0Ko Pha NganSky High Zipline and Wang Sai Waterfall Views on Koh Phangan$41.33

August 14, 2026

Koh Samui & Gulf Islands, Lipa Noi, Private Drivers, Quad Bikes, Tour Reviews, Zip Lines

Koh Samui: ATV And Zipline Experience with Transfer

Koh Samui: ATV And Zipline Experience with Transfer - ATV Trails First: What You Can Expect From the Riding

3.7Lipa NoiKoh Samui: ATV And Zipline Experience with Transfer2 hours$133

August 12, 2026

Bophut, Koh Samui & Gulf Islands, Tour Reviews

Dive Trip Experience in Koh Tao

Dive Trip Experience in Koh Tao - In-water coaching: the real value is personal support

4.5BophutDive Trip Experience in Koh Tao$217.25

August 13, 2026

Cycling Tours, Koh Samui, Koh Samui & Gulf Islands, Private, Tour Reviews, Tours

Private Electric Dirt Bike Tour in Koh Samui Jungle & Mountain

Private Electric Dirt Bike Tour in Koh Samui Jungle & Mountain - The electric bike feel: small, light, and built for control

5.0Koh SamuiPrivate Electric Dirt Bike Tour in Koh Samui Jungle & Mountain$119.39

August 13, 2026

2-Hour Experiences, Cycling Tours, Koh Samui & Gulf Islands, Quad Bikes, Surat Thani Province, Tour Reviews

Koh Samui: 2-Hour Unique ATV Quad Bike Off-Road Adventure

Koh Samui: 2-Hour Unique ATV Quad Bike Off-Road Adventure - The Practice Session: How You Get Control Before You Chase Speed

5.0Surat Thani ProvinceKoh Samui: 2-Hour Unique ATV Quad Bike Off-Road Adventure$86

August 12, 2026

Ko Pha Ngan, Koh Samui & Gulf Islands, Tour Reviews

Koh Phangan to Koh Samui by Seatran Discovery Ferry

Koh Phangan to Koh Samui by Seatran Discovery Ferry - From Thong Sala to Bang Rak: How the Timing Really Works

4.5Ko Pha NganKoh Phangan to Koh Samui by Seatran Discovery Ferry$14.20

August 13, 2026

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