Crystal Dive
Photo: Nott Peera · CC BY · via iNaturalist
Crystal Dive is an SSI dive centre located on Koh Tao, Thailand, operating as a beachfront dive resort. It is an SSI Diamond Instructor Training Centre, according to the centre, and offers a wide range of courses from beginner levels such as Basic Diver and Open Water Certification to professional training including Divemaster, Instructor, and Assistant Instructor courses. The centre also provides specialty courses in areas like deep diving, enriched air nitrox, and marine ecology, making it suitable for divers at various stages of their diving journey.
Courses offered
| Course | Price |
|---|---|
| BASIC DIVER | THB 3,500 |
| OPEN WATER CERTIFICATION | THB 12,500 |
| Deep Diving | THB 7,750 |
| Enriched Air Nitrox Specialty | THB 7,900 |
| Open Water and Advanced Open Water Combo | THB 22,400 |
| Perfect Buoyancy | THB 6,000 |
| Scuba Review Refresher | THB 1,800 |
| SSI Beginner Courses | – |
| Advanced Diving Specialty Courses | – |
| DIVEMASTER COURSE | – |
| INSTRUCTOR COURSE | – |
| ASSISTANT INSTRUCTOR | – |
| TRAINER | – |
| Citizen Science Overview | – |
| Reef Check Eco Diver | – |
| SSI Ecology Instructor | – |
| FISH IDENTIFICATION | – |
| CORAL IDENTIFICATION | – |
| MANTA & RAY ECOLOGY | – |
| MARINE ECOLOGY | – |
| Fun dive | from THB 2,200 |
Prices as listed on the centre’s own website, checked October 2026. Please confirm current prices directly with the centre.
On Google it holds an average rating of 4.9 from 1581 reviews.
Sea temperatures in the surrounding waters range from 28°C in January to 31°C in May.
At a glance
- One of 20 PADI centres listed in Koh Tao
- 6 dive sites within 60 km:
Sea temperature through the year
Average sea surface temperature at the coordinates of Crystal Dive, Koh Tao, Thailand, by calendar month. The water is warmest in May at 31.4 °C and coldest in January at 28.1 °C, a spread of 3.3 kelvin over the year. Every month of the year averages 25 °C or more.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 28.1 | 28.7 | 29.2 | 30.8 | 31.4 | 30.4 | 30.1 | 30.0 | 29.7 | 29.9 | 29.5 | 28.5 |
By season, the four quarterly averages at this location are spring (March to May) 30.5 °C, summer (June to August) 30.2 °C, autumn (September to November) 29.7 °C and winter (December to February) 28.4 °C.
Sea surface temperature from Open-Meteo Marine (CC BY 4.0), daily model means 2022-11 to 2024-12, sampled at the coordinates of this dive centre. Values are monthly averages of the daily means, not forecasts.
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Marine life recorded in this area
Research-grade observations from iNaturalist near these coordinates.
