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Trending Trips This Week

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The most-viewed upcoming trips across all types

Sirolo Dive
Scuba Day Trips

Phi Phi Islands

May 4, 2026

Sirolo Dive

M/V SIROLO — Sirolodive's luxury day-trip dive yacht in Phuket. 24 m × 8 m, 3 decks, capacity 67, Nitrox membrane, free WiFi. Daily departures from Chalong Pier to Phi Phi, Racha Yai, Racha Noi and Anemone Reef.

1 Day
Hug Ocean Boat
Scuba Day Trips

Racha Island

May 4, 2026

Hug Ocean Boat

Discover Phuket's Andaman Sea aboard Hug Ocean — a luxury 3-deck dive yacht for 80 guests with a thrilling water slide, sun-soaked top deck, and PADI-certified diving at Racha Yai and Racha Noi.

1 Day
Mandarin Queen 7
Scuba Day Trips

Phi Phi Islands

May 4, 2026

Mandarin Queen 7

Brand-new 30.5 m M/V Mandarin Queen 7 — Phuket's largest day-trip dive boat with massive deck space, dedicated dive platform, lounges and shaded sun decks. Year-round trips to Racha Yai, Racha Noi, King Cruiser Wreck, Shark Point and Anemone Reef.

1 Day
Mandarin Queen 5
Scuba Day Trips

Racha Island

May 4, 2026

Mandarin Queen 5

Brand-new Phuket dive boat — 26.2 m M/V Mandarin Queen 5 with spacious dive platform, lounge and upper sun deck. Daily day trips to King Cruiser Wreck, Shark Point, Anemone Reef, Racha Yai and Racha Noi.

1 Day
Issara Liveaboard
Liveaboard

South Andaman 4 Days 5 Nights

May 6, 2026

Issara Liveaboard

MV Issara — high-end Thai steel-hulled liveaboard built 2016–17, 28.5 m × 6.5 m, 4 decks, max 22 guests in 11 hotel-style cabins. Indoor saloon, jacuzzi sun deck, full-board buffet dining.

6D5N

Latest Articles

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Guides, tips, and stories from our divers

Why Solo Divers Fly Past Bali and Book Thailand Instead

Why Solo Divers Fly Past Bali and Book Thailand Instead

Thailand's hostel-dive-shop pipeline, $6 dorm beds, and zero-supplement liveaboards explain why 65% of Songkran bookings come from solo travelers.

How a 15-Baht O-Ring Ends a 4,000-Baht Dive Day

How a 15-Baht O-Ring Ends a 4,000-Baht Dive Day

A cracked tank valve O-ring costs less than street food. Miss it, and your dive day is over. Five warning signs, the 90-second swap, and which ring to pick.

10× Deadlier Than a Rattlesnake and Zero Diver Deaths

10× Deadlier Than a Rattlesnake and Zero Diver Deaths

The banded sea krait carries venom ten times more potent than a rattlesnake’s — yet no diver has ever died from its bite. The answer lies in its jaw.

Why Divers Pay $350 to See Almost No Fish at the Blue Hole

Why Divers Pay $350 to See Almost No Fish at the Blue Hole

Almost no coral, limited fish, total darkness below 90 metres. Yet divers pay $350 to descend into Belize's Blue Hole. The answer hangs from the ceiling.

5 Months Empty: What Actually Grows Back on Similan's Reefs

5 Months Empty: What Actually Grows Back on Similan's Reefs

Every May 15 the last boat leaves the Similans. When divers return five months later, the reefs look different. Here is what the data actually shows.

Why Your OW Buoyancy Skills Barely Count After Card Day

Why Your OW Buoyancy Skills Barely Count After Card Day

Your Open Water card proves you can equalise and breathe. It says nothing about hovering hands-free at 18 metres — that takes a progression most divers skip.

5 Narcosis Red Flags Your Buddy Misses at 30 Metres

5 Narcosis Red Flags Your Buddy Misses at 30 Metres

Nitrogen narcosis hits at Chumphon's 36-metre floor. Five warning signs appear before a diver knows they're impaired — here's how to catch them.

80-Baht Pad Thai After a Night Dive — Only in Thailand

80-Baht Pad Thai After a Night Dive — Only in Thailand

Night markets, 300-baht massages, and temple visits between dives — the non-diving hours are why Thailand keeps beating every other dive destination.

Same Dive, Different Deco: Why Your Computer Disagrees

Same Dive, Different Deco: Why Your Computer Disagrees

Two divers share a 30-metre reef. One surfaces clean; the other owes a three-minute stop. The answer lives in the algorithm and two settings most divers never touch.

158 Sharks in One Bay: How Phi Phi's Blacktips Came Back

158 Sharks in One Bay: How Phi Phi's Blacktips Came Back

A July 2025 drone survey counted 158 blacktip reef sharks in Maya Bay. The story behind that number starts with a radical decision in 2018.

524 Km of Cave Behind a Pool Named Two Eyes

524 Km of Cave Behind a Pool Named Two Eyes

Two collapsed limestone pools north of Tulum open into one of the longest underwater cave systems ever mapped. Cavern diving here needs only an Open Water card.

Ghost Nets Kill for 600 Years After the Boat Leaves

Ghost Nets Kill for 600 Years After the Boat Leaves

A single lost net traps, kills, and re-traps marine life for centuries. Thailand's citizen scientists are fighting back — but the Gulf needs more hands underwater.

Could You Tow an Unconscious Diver 100 Metres Right Now?

Could You Tow an Unconscious Diver 100 Metres Right Now?

Most rescue-certified divers haven't practised a surface tow since their course. Here are the red flags your skills have rusted and what to drill before your next trip.

Koh Talu's Rock Tunnel: 5 Islands for 650 Baht

Koh Talu's Rock Tunnel: 5 Islands for 650 Baht

A 69-rai island off Rayong hides a natural rock tunnel, Rayong's best coral, and a literary island from Sunthorn Phu — all on a single budget day trip from Ban Phe pier.

70 Dive Schools on One Island: What Keeps Thai Prices Honest

70 Dive Schools on One Island: What Keeps Thai Prices Honest

Koh Tao squeezes 70+ dive schools into 21 km², driving OW courses to 9,500 baht. How density keeps prices honest and standards high across Thailand.

28°C Above, 22°C Below: When 3mm Fails in Thailand

28°C Above, 22°C Below: When 3mm Fails in Thailand

Andaman thermoclines drop from 29°C to 22°C without warning. At 20 metres, 3mm compresses to barely 1mm — the spec-driven case for when 5mm earns its weight.

The Alien Jaws Hiding in Every Crevice at Richelieu Rock

The Alien Jaws Hiding in Every Crevice at Richelieu Rock

Giant morays carry a second set of jaws in their throat — the only vertebrate alive with this mechanism. Richelieu Rock hosts five species in one reef.

The Bombed Hold at 30 Metres Where 100 Motorbikes Wait

The Bombed Hold at 30 Metres Where 100 Motorbikes Wait

Two bombs split a British supply ship in 1941. Eighty-five years later, her cargo of motorcycles, trucks, and locomotives sits exactly where the crew left it.

Where Did Koh Tao's Whale Sharks Go After 1,409 Sightings?

Where Did Koh Tao's Whale Sharks Go After 1,409 Sightings?

Between 1991 and 2023, Koh Tao logged 1,409 whale shark sightings — nearly half of Thailand's total. Then the encounters dropped to near zero.

4 Breathing Mistakes That Empty Your Tank Before the Group

4 Breathing Mistakes That Empty Your Tank Before the Group

Beginners burn air at 20–30 L/min — double the rate of experienced divers. Four fixable habits close the gap, starting with a 12-second breath cycle.

Why Koh Rong Khon's 3-Knot Current Builds Better Reefs

Why Koh Rong Khon's 3-Knot Current Builds Better Reefs

Koh Rong Khon sits metres from the Hardeep wreck yet hosts one of Samae San's healthiest reefs. Strong tidal current, 25 m depth, and decades of Navy protection explain why.

Blacktip Sharks at 3 Metres: Koh Chan Samae San

Blacktip Sharks at 3 Metres: Koh Chan Samae San

Koh Chan hides blacktip reef sharks in knee-deep water, five clownfish species, and a whip coral forest at 16 metres — all inside a Navy-controlled marine park 45 minutes from Pattaya.

Hin Yai: The Gulf Pinnacle Where Sharks Patrol at 14 Metres

Hin Yai: The Gulf Pinnacle Where Sharks Patrol at 14 Metres

A submerged granite pinnacle off Samae San, Hin Yai rises from 32 metres to a coral-covered plateau at 14 m — drawing blacktip sharks, nudibranchs, and rare clownfish to one of the Gulf of Thailand's best offshore dives.

83,000 m² of Coral on a Navy-Locked Island: Koh Kham

83,000 m² of Coral on a Navy-Locked Island: Koh Kham

Koh Kham packs 83,000 square metres of staghorn, table and brain coral into waters barely 3-15 metres deep — all under Royal Thai Navy guard in Sattahip's Samae San marine park.

Hin San Chalarm: Best Coral Pinnacle in Samae San

Hin San Chalarm: Best Coral Pinnacle in Samae San

Hin San Chalarm -- Shark Fin Rock -- rises from the Gulf of Thailand near Samae San, harbouring 28-metre coral walls, resident sea turtles, and the clearest visibility in the Sattahip archipelago.

Koh Thalu: Swim-Through Caves in Chumphon's Pierced Island

Koh Thalu: Swim-Through Caves in Chumphon's Pierced Island

A small limestone island in Mu Koh Chumphon National Park with a massive cavern punched clean through the rock — plus a heart-shaped cave, dense anemone colonies, and blacktip reef sharks on the deeper margins.

Where Mantas Queue at Koh Bon's 24-Metre Ridge

Where Mantas Queue at Koh Bon's 24-Metre Ridge

Koh Bon's submerged pinnacle hosts a manta cleaning station where reef wrasses service roughly 20 photo-identified rays each season -- here is how the site works and when to dive it.

Where Giant Trevally Hunt in Koh Tachai's Strongest Current

Where Giant Trevally Hunt in Koh Tachai's Strongest Current

Koh Tachai Pinnacle sits in open blue between Similan and Surin, swept by currents that draw giant trevally, barracuda, and seasonal mantas to its granite dome.

Where Whale Sharks Surface Daily at Koh Ran Ped

Where Whale Sharks Surface Daily at Koh Ran Ped

Koh Ran Ped and Ran Kai in Chumphon draw whale sharks every spring to a plankton-rich channel just 18 metres deep — reachable by snorkelers on a 1,700 THB day trip.

The Coral Bommie at 12 Metres That Defines Similan Diving

The Coral Bommie at 12 Metres That Defines Similan Diving

A single coral bommie off Similan Island 7 hosts more species than some entire dive sites. East of Eden's gentle slope and hard coral gardens reward every certification level.

Phuket Scuba Day Trips

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Certified diving from Chalong Pier, year-round

Sirolo Dive
Scuba Day Trips

Phuket

Sirolo Dive

M/V SIROLO — Sirolodive's luxury day-trip dive yacht in Phuket. 24 m × 8 m, 3 decks, capacity 67, Nitrox membrane, free WiFi. Daily departures from Chalong Pier to Phi Phi, Racha Yai, Racha Noi and Anemone Reef.

MV Mermaid
Scuba Day Trips

Phuket

MV Mermaid

MV Mermaid (Aqua Mermaid) — a trusted Phuket dive boat with a strong steel hull and Twin Hino 620hp diesels. 60 divers + 5–6 crew, 7 days a week to Phi Phi, Racha Islands and the King Cruiser Wreck.

Mandarin Queen 7
Scuba Day Trips

Phuket

Mandarin Queen 7

Brand-new 30.5 m M/V Mandarin Queen 7 — Phuket's largest day-trip dive boat with massive deck space, dedicated dive platform, lounges and shaded sun decks. Year-round trips to Racha Yai, Racha Noi, King Cruiser Wreck, Shark Point and Anemone Reef.

Mandarin Queen 5
Scuba Day Trips

Phuket

Mandarin Queen 5

Brand-new Phuket dive boat — 26.2 m M/V Mandarin Queen 5 with spacious dive platform, lounge and upper sun deck. Daily day trips to King Cruiser Wreck, Shark Point, Anemone Reef, Racha Yai and Racha Noi.

Hug Ocean Boat
Scuba Day Trips

Phuket

Hug Ocean Boat

Discover Phuket's Andaman Sea aboard Hug Ocean — a luxury 3-deck dive yacht for 80 guests with a thrilling water slide, sun-soaked top deck, and PADI-certified diving at Racha Yai and Racha Noi.

Thailand Liveaboards

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Multi-day trips across the Andaman and Gulf

Aquarian Liveaboard
Liveaboard

Phuket

Aquarian Liveaboard

MV Aquarian — striking 2021-built red steel liveaboard, 31.4 m × 7.5 m, max 28 guests in 14 cabins. Free unlimited Nitrox via Coltri Sub membranes, one of Thailand's largest dive platforms, and full premium-hotel comfort.

Vela Liveaboard
Liveaboard

Phuket

Vela Liveaboard

MV Vela / Vala — massive 43 m steel-hull liveaboard with only 20 guests max for ultimate space and privacy. King and twin AC en-suite cabins, large dive deck, indoor saloon and rooftop sun deck. Highest international safety standards.

Issara Liveaboard
Liveaboard

Phuket

Issara Liveaboard

MV Issara — high-end Thai steel-hulled liveaboard built 2016–17, 28.5 m × 6.5 m, 4 decks, max 22 guests in 11 hotel-style cabins. Indoor saloon, jacuzzi sun deck, full-board buffet dining.

Featured Articles

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Hand-picked stories from across our dive community

Boonsung at 18 Metres: The Reef a Tsunami Built

Boonsung at 18 Metres: The Reef a Tsunami Built

A tin dredger sunk in 1984, split into five pieces by the 2004 tsunami, now hosts one of Khao Lak's densest reefs. Here is what grew back.

Where Whale Sharks Surface Daily at Koh Ran Ped

Where Whale Sharks Surface Daily at Koh Ran Ped

Koh Ran Ped and Ran Kai in Chumphon draw whale sharks every spring to a plankton-rich channel just 18 metres deep — reachable by snorkelers on a 1,700 THB day trip.

Why Solo Divers Fly Past Bali and Book Thailand Instead

Why Solo Divers Fly Past Bali and Book Thailand Instead

Thailand's hostel-dive-shop pipeline, $6 dorm beds, and zero-supplement liveaboards explain why 65% of Songkran bookings come from solo travelers.

Why Koh Rong Khon's 3-Knot Current Builds Better Reefs

Why Koh Rong Khon's 3-Knot Current Builds Better Reefs

Koh Rong Khon sits metres from the Hardeep wreck yet hosts one of Samae San's healthiest reefs. Strong tidal current, 25 m depth, and decades of Navy protection explain why.

Ghost Nets Kill for 600 Years After the Boat Leaves

Ghost Nets Kill for 600 Years After the Boat Leaves

A single lost net traps, kills, and re-traps marine life for centuries. Thailand's citizen scientists are fighting back — but the Gulf needs more hands underwater.

70 Dive Schools on One Island: What Keeps Thai Prices Honest

70 Dive Schools on One Island: What Keeps Thai Prices Honest

Koh Tao squeezes 70+ dive schools into 21 km², driving OW courses to 9,500 baht. How density keeps prices honest and standards high across Thailand.

5 Months Empty: What Actually Grows Back on Similan's Reefs

5 Months Empty: What Actually Grows Back on Similan's Reefs

Every May 15 the last boat leaves the Similans. When divers return five months later, the reefs look different. Here is what the data actually shows.

The 4-Second Fix When Your BCD Won't Stop Filling

The 4-Second Fix When Your BCD Won't Stop Filling

A stuck BCD inflator can launch you to the surface in seconds. Three faults cause it — salt, sand, and O-rings — and one disconnect ends it in four.

5 Narcosis Red Flags Your Buddy Misses at 30 Metres

5 Narcosis Red Flags Your Buddy Misses at 30 Metres

Nitrogen narcosis hits at Chumphon's 36-metre floor. Five warning signs appear before a diver knows they're impaired — here's how to catch them.

How a 15-Baht O-Ring Ends a 4,000-Baht Dive Day

How a 15-Baht O-Ring Ends a 4,000-Baht Dive Day

A cracked tank valve O-ring costs less than street food. Miss it, and your dive day is over. Five warning signs, the 90-second swap, and which ring to pick.

10× Deadlier Than a Rattlesnake and Zero Diver Deaths

10× Deadlier Than a Rattlesnake and Zero Diver Deaths

The banded sea krait carries venom ten times more potent than a rattlesnake’s — yet no diver has ever died from its bite. The answer lies in its jaw.

28°C Above, 22°C Below: When 3mm Fails in Thailand

28°C Above, 22°C Below: When 3mm Fails in Thailand

Andaman thermoclines drop from 29°C to 22°C without warning. At 20 metres, 3mm compresses to barely 1mm — the spec-driven case for when 5mm earns its weight.

How to Time Richelieu Rock for Whale Sharks Before May 15

How to Time Richelieu Rock for Whale Sharks Before May 15

Richelieu Rock's purple horseshoe pinnacle hosts whale sharks from February to April — with the park closing May 15, here's what the final weeks offer.

524 Km of Cave Behind a Pool Named Two Eyes

524 Km of Cave Behind a Pool Named Two Eyes

Two collapsed limestone pools north of Tulum open into one of the longest underwater cave systems ever mapped. Cavern diving here needs only an Open Water card.

Why Elephant Head's Granite Tunnels Demand a Second Dive

Why Elephant Head's Granite Tunnels Demand a Second Dive

Elephant Head Rock hides a 40-metre granite labyrinth of swim-throughs between Similan Islands 7 and 8 — and one dive is never enough to see it all.

Koh Talu's Rock Tunnel: 5 Islands for 650 Baht

Koh Talu's Rock Tunnel: 5 Islands for 650 Baht

A 69-rai island off Rayong hides a natural rock tunnel, Rayong's best coral, and a literary island from Sunthorn Phu — all on a single budget day trip from Ban Phe pier.

The Slug That Steals Weapons: Koh Tao's Nudibranch Obsession

The Slug That Steals Weapons: Koh Tao's Nudibranch Obsession

Koh Tao hosts 146 nudibranch species — slugs that steal stinging cells, sequester poison, and defy every rule about defenceless invertebrates. Here is what lives on the reef you keep swimming past.

83,000 m² of Coral on a Navy-Locked Island: Koh Kham

83,000 m² of Coral on a Navy-Locked Island: Koh Kham

Koh Kham packs 83,000 square metres of staghorn, table and brain coral into waters barely 3-15 metres deep — all under Royal Thai Navy guard in Sattahip's Samae San marine park.

Why Divers Pay $350 to See Almost No Fish at the Blue Hole

Why Divers Pay $350 to See Almost No Fish at the Blue Hole

Almost no coral, limited fish, total darkness below 90 metres. Yet divers pay $350 to descend into Belize's Blue Hole. The answer hangs from the ceiling.

Where Giant Trevally Hunt in Koh Tachai's Strongest Current

Where Giant Trevally Hunt in Koh Tachai's Strongest Current

Koh Tachai Pinnacle sits in open blue between Similan and Surin, swept by currents that draw giant trevally, barracuda, and seasonal mantas to its granite dome.

SIAMDIVE — Scuba Diving Trips Thailand