Plan Your Thailand Dive Trip Easier

AI that understands Thai seas — by Local Divemasters

Trending Trips This Week

Explore All ›

The most-viewed upcoming trips across all types

Liveaboard

South Andaman 4 Days 5 Nights

Apr 29, 2026

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.

6D5N

Liveaboard

South Andaman 4 Days 5 Nights

Apr 29, 2026

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.

6D5N

Scuba Day Trips

Racha Island

Apr 26, 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

Scuba Day Trips

King Cruiser Wreck

Apr 26, 2026

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.

1 Day

Scuba Day Trips

Phi Phi Islands

Apr 26, 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

Scuba Day Trips

Racha Island

Apr 26, 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

Scuba Day Trips

Racha Island

Apr 26, 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

Phuket Scuba Day Trips

Explore All ›

Certified diving from Chalong Pier, year-round

Scuba Day Trips

Phuket

Sirolo Dive

Scuba Day Trips

Phuket

MV Mermaid

Scuba Day Trips

Phuket

Mandarin Queen 7

Scuba Day Trips

Phuket

Mandarin Queen 5

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

Explore All ›

Multi-day trips across the Andaman and Gulf

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.

Liveaboard

Phuket

Aquarian Liveaboard

Liveaboard

Phuket

Vela Liveaboard

Latest Articles

ดูทั้งหมด

Guides, tips, and stories from our divers

10 Reef Stations on a Rope: Koh Mattra's Underwater Trail

Thailand's first underwater nature study trail runs along Koh Mattra's eastern reef in Chumphon, with 10 signed stations from giant clams to sea fans at 1-8 metres depth.

The 5-Hour Trap: When Your Decongestant Quits Underwater

Pseudoephedrine clears your sinuses for descent — then its half-life expires at depth. The five risk factors behind reverse sinus squeeze.

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.

75 cm of Fury: What Triggers a Titan Triggerfish to Charge

Teeth built to crack urchins, an inverted-cone territory that reaches the surface, and a charge with zero warning — why Thailand's biggest triggerfish earns its fearsome reputation.

The Lake Where 5 Million Jellyfish Forgot How to Sting

Palau's Jellyfish Lake holds millions of golden jellyfish that evolved to be harmless. Here is what 12,000 years of isolation created and how to visit.

10,000 Coral Fragments on a PVC Rack — Why They Survived

Chanthaburi’s low-tech PVC nursery kept 95% of coral fragments alive after the Gulf’s worst bleaching. Species selection made the difference.

25 Metres, Zero Bar, 4 Seconds to Decide

Insufficient gas triggers 41% of dive fatalities. Four risk factors at depth decide which emergency ascent gives the best chance of surfacing safely.

That Hard Pull at 30 Metres Is Your First Stage Talking

When your regulator fights you at depth, intermediate pressure tells the story. A five-minute pre-dive IP check and annual service are all it takes.

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.

5 Depths Where Hin Daeng's Red Wall Changes Completely

From snorkelling reef to 60-metre drop-off, each depth band on Hin Daeng's crimson wall delivers a different dive and different animals. Here is what to expect at every level.

Why Divers Fly to Iceland for a 35-Minute Freshwater Dive

Silfra Fissure offers 100-metre visibility in 2°C glacial water filtered through lava for a century — the only dive on Earth between two tectonic plates.

Why 45% of Gulf Corals Turned White — and What Divers See Now

Nearly half of Gulf of Thailand coral colonies bleached in 2024. SST data, island-by-island damage, DMCR recovery rates, and what divers find on the reef now.

5 Nitrox Mistakes That Turn Extra Bottom Time Into Real Risk

EAN32 extends your no-deco limits — but only if you avoid these five errors that trip up newly certified nitrox divers on Thai dive boats.

1,500 Newtons in 80 Microseconds: Thailand's Mantis Shrimp

A 10 cm crustacean delivers the ocean's fastest punch — and thrives in Andaman rubble zones most divers swim right past.

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.

48 Hours Post-Dive: The Ear Injury Nobody Expects

Middle ear barotrauma often shows up days after the dive. How to spot delayed ear squeeze, when to ground yourself, and where to find help in Thailand.

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.

Night or Deep First? Thailand's Reefs Already Chose for You

Thailand's most popular reefs peak between 10 and 25 metres — which makes one specialty far more useful than the other for your first card.

Ghost Pipefish at 16 Metres: Koh Doc Mai's Macro Wall

Koh Doc Mai's vertical limestone drops straight to 30 metres — and every crack hides a nudibranch, seahorse, or ghost pipefish. A macro photographer's field guide to Phuket's only wall dive.

Every Khao Lak Dive Boat Leaves the Same Pier Until May 15

Thap Lamu is Khao Lak's only dive pier, and it empties for 153 days every year. A 2026 guide to departures, day trips, and what actually works May–October.

March in Thailand: Why the Andaman Always Wins the Dive Trip

Thailand has two seas. In March, only one delivers peak visibility, whale shark odds, and liveaboard access. Here's why seasoned divers always pick the Andaman.

We Did the Math: Thailand Costs a Third of the Maldives and Matches the Red Sea's Best

We priced a week of diving in Thailand, the Maldives, Egypt, the Philippines, and the Caribbean. Here's the real per-dive cost — and why Thailand wins for most divers.

One Country, Every Type of Dive: Why Thailand Is the Most Underrated Bucket-List Destination

Whale sharks, manta rays, macro critters, wrecks, pinnacles, drift, coral gardens — Thailand delivers every style of diving within one country. Here's why that matters.

Never Dived Before? Here's Why Thailand Should Be Your First Ever Dive Trip

Warm 29°C water, 30m visibility, the world's cheapest PADI courses, and reefs built for beginners. Here's why Thailand is the single best place on Earth to start diving.

Surface Intervals: The Boring Part of Diving That Keeps You Alive

Everything you need to know about surface intervals — why nitrogen off-gassing matters, how long to wait between dives, what to do (and avoid) during your SI, and how dive computers calculate it all for you.

How to Not Throw Up on the Dive Boat: A Practical Seasickness Guide

Seasickness ruins more dive trips than equipment failures. Learn exactly how to prevent and manage nausea on dive boats — from the right medications and natural remedies to where to sit, what to eat, and what to do if you're already green.

Fried on the Dive Boat: The Complete Sun Protection Guide Every Diver Needs

Scuba divers face extreme UV exposure — hours on open boat decks, water reflecting 25-40% more UV rays, and wet skin that burns faster. Learn about reef-safe sunscreen, UPF rash guards, and essential gear to protect your skin without harming marine life.

What Your Body Needs in the 24 Hours After a Dive

Your dive may be over, but your body is still working hard. From rehydration and nutrition to no-fly rules and DCS warning signs, here's your complete post-dive recovery checklist.

What to Eat Before Diving (And the Meal That Could Ruin It)

Your pre-dive meal matters more than you think. Learn the best foods, hydration tips, and what to avoid before scuba diving to stay safe and comfortable underwater.

BCD Care: The Bladder Flush Most Divers Skip (And Pay For Later)

Learn the essential BCD maintenance steps most divers overlook — from proper bladder flushing to dump valve care, storage tips, and when it's time to replace your buoyancy control device.

Featured Articles

ดูทั้งหมด

Hand-picked stories from across our dive community

We Did the Math: Thailand Costs a Third of the Maldives and Matches the Red Sea's Best

We priced a week of diving in Thailand, the Maldives, Egypt, the Philippines, and the Caribbean. Here's the real per-dive cost — and why Thailand wins for most divers.

Similan Liveaboard: What 4 Days and 14 Dives Actually Cost

The real math on a Similan Islands liveaboard — 14 dives across 4 days, 32,000-60,000 THB, and when Richelieu Rock actually delivers mantas and whale sharks.

7 Mistakes That Ruin Thailand Liveaboard Trips (and How to Dodge Them)

Wrong boat size, wrong month, hidden fees — the mistakes that wreck Thailand liveaboard trips happen before you leave the pier. Here's how to avoid them.

That Hard Pull at 30 Metres Is Your First Stage Talking

When your regulator fights you at depth, intermediate pressure tells the story. A five-minute pre-dive IP check and annual service are all it takes.

75 cm of Fury: What Triggers a Titan Triggerfish to Charge

Teeth built to crack urchins, an inverted-cone territory that reaches the surface, and a charge with zero warning — why Thailand's biggest triggerfish earns its fearsome reputation.

What to Eat Before Diving (And the Meal That Could Ruin It)

Your pre-dive meal matters more than you think. Learn the best foods, hydration tips, and what to avoid before scuba diving to stay safe and comfortable underwater.

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.

Every Khao Lak Dive Boat Leaves the Same Pier Until May 15

Thap Lamu is Khao Lak's only dive pier, and it empties for 153 days every year. A 2026 guide to departures, day trips, and what actually works May–October.

25 Metres, Zero Bar, 4 Seconds to Decide

Insufficient gas triggers 41% of dive fatalities. Four risk factors at depth decide which emergency ascent gives the best chance of surfacing safely.

Night or Deep First? Thailand's Reefs Already Chose for You

Thailand's most popular reefs peak between 10 and 25 metres — which makes one specialty far more useful than the other for your first card.

Your First Dive in Phuket: What No One Tells You

Never dived before? Here's the honest lowdown on Discover Scuba in Phuket — what day 1 really looks like, what to skip, and how to pick a shop that won't scare you.

5 Depths Where Hin Daeng's Red Wall Changes Completely

From snorkelling reef to 60-metre drop-off, each depth band on Hin Daeng's crimson wall delivers a different dive and different animals. Here is what to expect at every level.

PADI vs SSI vs NAUI vs RAID: Does the Agency on Your Card Actually Matter?

A diver's honest, no-marketing breakdown of the four big certification agencies — where they differ, where they don't, and what to actually look for.

Surface Intervals: The Boring Part of Diving That Keeps You Alive

Never Dived Before? Here's Why Thailand Should Be Your First Ever Dive Trip

Warm 29°C water, 30m visibility, the world's cheapest PADI courses, and reefs built for beginners. Here's why Thailand is the single best place on Earth to start diving.

Your Wetsuit Stinks: The Complete Care Guide That Actually Works

From rinsing after every dive to patching neoprene tears, this no-nonsense guide covers everything you need to keep your wetsuit fresh, flexible, and lasting years longer.

Phuket vs Koh Tao vs Khao Lak: Which Thai Dive Base Fits You?

Honest 2026 comparison of Thailand's three big dive hubs — real prices, boat times, dive seasons, and a pick-yours matrix. No hype, no bias.

The Phuket Diving Calendar: When to Actually Book

Honest month-by-month guide to diving Phuket and the Similan Islands: visibility, water temp, marine life, crowds and when to book your trip.

10 Reef Stations on a Rope: Koh Mattra's Underwater Trail

Thailand's first underwater nature study trail runs along Koh Mattra's eastern reef in Chumphon, with 10 signed stations from giant clams to sea fans at 1-8 metres depth.

The 15-Minute Post-Dive Rinse That Doubles Your Gear's Life

Master the complete 15-minute post-dive rinse protocol for every piece of scuba equipment. From regulator dust caps to BCD bladder flushes, this step-by-step routine prevents corrosion and extends gear life.