Volunteer to survey coral reefs and coastal habitats on Koh Tao, Thailand.


Thailand Coral Reef Conservation and Diving

: Frontier

Where: Koh Tao Island, Thailand

Focus: Coral reef surveying

When: All year round, except monsoon season mid-Oct to mid-Dec | Project starts weekly on a Monday.


  • 1 to 20 weeks
  • 1 week duration is only for volunteers that are already Advanced Open Water diver certified.
  • Min. 4 week stay recommended in order to get involved in all that the project has to offer.

Suitability: 17+. Group bookings available.


  • 1 week from GBP 659
  • 2 weeks from GBP 895
  • Extra weeks from GBP 200.
  • Dive training is extra.

As a volunteer, you will:

  • Take part in three different project components – land conservation, marine conservation, and community education. Each component plays a vital role in helping preserve the island.
  • Get involved in coral reef management.
  • Become a PADI Advanced Open Water diver.
  • Deploy a wide range of research skills and scientific techniques.
  • Assess algal and coral cover to determine the extent and degree of coral damage due to erosion,
  • Carry out surveys of reef fish and monitor the reefs for invertebrates that indicate the health of coral reefs such as nudibranchs.
  • Scuba dive to locate, map and study the extensive coral reefs.
  • Monitor and evaluate the health, status and diversity of Koh Tao’s coral reefs in order to improve their current management and to ensure their long-term conservation.
  • Explore and record the creatures that live in the mangrove forests, dense seagrass beds and productive intertidal areas around the island.
  • Study the impact of tourism on the local marine life.

Scuba Diving

Dive Training: Volunteers must be at least PADI Advanced Open Water (or equivalent) to take part in the surveys. Full training is provided in-country for an additional fee.

PADI Certifications Available: Open Water, Advanced Open Water, EFR, Rescue and Divemaster Internship.

The Base

Accommodation: Backpacker-style accommodation in a little family run resort right by the beach in the south of the island, a few minutes walk from the dive school.

Sleeping: Shared dormitory-style rooms with bunk beds.

Food: Not provided.

Support: 24-hour in-country volunteer support; International HQ emergency support and back-up; UK residential briefing weekend available

Transport: Volunteers make their own way to the project site. Fly into either Koh Samui or Surat Thani airport then transit to Koh Tao using the connecting ferry.


The next step: Visit Frontier for more information and to book.
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Ko Tao จ.สุราษฎร์ธานี TH
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