• Crystal Dive Koh Tao
  • About Crystal
    • About Crystal DiveAbout Crystal Dive
    • About Koh TaoAbout Crystal Dive
    • AccommodationCrystal Dive regal resort seen at night with pools
    • Crystal ChroniclesCrystal Dive crew seen having drinks
  • Diving Courses
      • Beginners
        • Open Water CourseOpen Water diver jumping from boat
        • Open Water & AdvancedOpen Water divers in water
        • Basic Diver ExperienceBasic Divers having fun underwater on Koh Tao
        • Scuba DiverScuba diver blowing kiss underwater
      • Advanced
        • Advanced Open Water CourseDiver waving during Advanced Open Water Course
        • React Right and Rescue CourseDiver giving rescue breaths during Rescue Course
        • Science Of DivingScience of Diving Diver
      • Improve Your Skills
        • Night and Limited VisibilityNight and Limited Visibility SCUBA specialty courses divers in the water at twilight
        • Search and RecoverySearch and Recovery specialty course diver releasing delayed surface marker buoy (DSMB)
        • NavigationNavigation Specialty Divers practicing compass skills on land on Mae Haad beach Koh Tao
        • Perfect BuoyancyPerfect Buoyancy Specialty diver swimming through square backwards underwater
        • Diver Propulsion VehicleCrystal Dive Diver Propulsion Vehicle DPV
        • Sidemount DivingSidemount Specialty Course diver from Crystal Dive seen underwater
      • Extend Your Limits
        • Deep DivingDeep Dive Specialty course safety cylinder (drop tank) seen underwater
        • Wreck DivingAdvanced Wreck Diver Specialty course divers practicing line laying outside the HTMS Sattakut Wreck
        • Enriched Air NitroxEnriched Air Nitrox Specialty Divers having fun with cylinder bands
        • Decompression DivingDiver on the surface at White Rock Dive Site near Koh Tao
        • Independent DivingIndependent Specialty divers planning dive on the Crystal Dive boat
        • Photo & VideoDiver taking video during underwater videographer course
      • One with Nature
        • Fish IdentificationTitan Triggerfish with remora fish attached seen during Fish Identification Specialty course
        • Coral IdentificationClose up of Coral during Coral Identification Specialty
        • Manta & Ray EcologyManta Ray in the sand on Koh Tao
        • Marine EcologyXenocrab on Whip Coral at Koh Tao
        • Marine Invertebrate EcologyCrab underwater during Marine Invertebrate Specialty
        • Nudibranch EcologyColourful Nudibranch moving on sand
        • Sea Turtle EcologyTurtle swimming in open ocean on Koh Tao
        • Shark EcologySSI Shark Ecology Black Tip Reef Shark
      • Marine Conservation
        • Marine Conservation DivingBuoyancy World dive site on Koh Tao underwater structures
        • SSI Marine Ecology CoursesClose-up photo of coral taken during marine conservation course
        • Conservation Internshipsclose-up photo of staghorn coral transplanted for coral restoration
        • Coral Tribe CoursesClose-up photo of coral
      • Become a Pro
        • Divemaster Coursemenu be a pro dm
        • Instructor Coursemenu be a pro itc
        • Assistant Instructor Trainermenu be a pro ssi ait
        • Divemaster Instructormenu be a pro
      • Kids Diving
        • Kids Divingssi kids diving menu
  • Dive Packages
    • Extend Your Limits PackageExtend Your Limits Dive Packages Menu
    • One With Nature PackageOne With Nature Dive Packages Menu
    • Improve Your Skills PackageImprove Your Skills Dive Packages Menu
  • Pro-Level
    • Divemaster Coursedivemaster Trainee performing backwards entry
    • Instructor CourseSSI training Instructor Course candidates
    • Divemaster InstructorDivemaster Instructor Course candidate exiting the water
    • Assistant Instructor TrainerAssistant Instructor Trainer Candidate briefing in the pool
  • Certified Divers
    • Fun Diving Koh TaoWhale Shark with remora seen during fun dive around Koh Tao
    • Crystal Dive Scuba ReviewScuba review in the pool of crystal dive koh tao
    • Dive Sites around Koh TaoKoh Nang Yuan seen from Twins Dive Site Koh Tao
  • Eco Diving
    • SSI Ecology CoursesDivers collecting data as part of SSI Ecology Courses
    • Marine InternshipsMarine Conservation Divers after a Debris Dive
    • Coral Tribe CoursesMarine Conservation Courses by The Coral Tribe
  • Contact
  • English
Why Dive School Choice Matters: Train With Crystal Dive (Koh Tao’s Most Trusted Dive School)

Why Dive School Choice Matters: Train With Crystal Dive (Koh Tao’s Most Trusted Dive School)

At Crystal Dive, we’ve certified over 100,000 divers, from nervous first-timers to seasoned professionals. Over the years, we’ve earned a reputation as Koh Tao’s most trusted dive school because we never compromise on what matters most: safety, confidence, and...
Christmas on Koh Tao: Your Complete Guide to Koh Tao for Christmas 2025

Christmas on Koh Tao: Your Complete Guide to Koh Tao for Christmas 2025

Christmas on Koh Tao: Your Complete Guide to Koh Tao for Christmas 2025 If you think Christmas means snow, sweaters, and crowded shopping malls, think again. Christmas on Koh Tao swaps sleigh bells for the sound of the sea, Christmas trees for palm trees, and mince...
Signs of Decompression Sickness: How to Recognize Symptoms of the Bends

Signs of Decompression Sickness: How to Recognize Symptoms of the Bends

Signs of Decompression Sickness: How to Recognize Symptoms of the Bends Scuba diving is the most exhilarating way to explore Koh Tao’s underwater world. But like any adventure sport, it comes with some risks. While scuba diving is an incredibly safe sport when done...

Recent Posts

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  • SSI vs. PADI: The Difference Between SSI and PADI (and Why Many Divers Choose SSI)
  • Christmas on Koh Tao: Your Complete Guide to Koh Tao for Christmas 2025
  • 10 Things to Look for in Dive Shops: What’s the Best Dive Shop on Koh Tao?
  • Signs of Decompression Sickness: How to Recognize Symptoms of the Bends

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Tel: +66 (0)77 456106 | +66 (0)77 456107
Mob: +66 (0)81 911 8019
Email: contact@crystaldive.com
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Copyright © 2024 Crystal Dive Koh Tao

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  • English