On the Water in Koh Tao

Across the 19 options we track, prices run from €29 to €348, with a median of €103. The list above updates as the catalogue changes.

The median is 24h; the shortest runs 6h and the longest 72h. Use the duration filter above to narrow the list.

17 of the 19 options offer free cancellation. The exact cut-off varies by operator — it is stated on each booking page before you pay.

“Become certified diver in 3 days - PADI Open Water Diver course on Koh Tao” holds 4.99 from 107 traveller reviews — the strongest score among options with meaningful volume here.

3 of the 19 options are private. They cost more than the group average — the difference pays for pace and attention, not different access.

Prices, availability and traveller ratings come from the booking catalogue and are refreshed regularly. Ratings are collected by the booking platform from verified travellers, not written by us.