Gateway to Hin Daeng / Hin Muang · best big-fish drift in Thailand
Real, curated expeditions — or a custom Koh Lanta trip built around your dates, certification and the species you want to see.
Browse our curated, small-group dive trips — fixed dates, vetted partner operators, zero agency fee. Or tell us your dates and certification level and we'll build a custom Koh Lanta trip with you.
9 canonical courses bookable through iDive partner schools · all SSI+PADI certified · zero agency fee.









Peak months mean clearest visibility, best marine sightings and stable weather. Shoulder is still good. Off-season often has rough conditions or monsoon.
Marine life you can spot diving here. Click any creature to find trips that target sightings of it.
Koh Lanta is the easiest base to dive Hin Daeng — Thailand's deepest drift dive with manta and whale shark cameos.
What pulls divers to Koh Lanta: Gateway to Hin Daeng / Hin Muang · best big-fish drift in Thailand.
Diving conditions are typically moderate, with water temperatures around 27-30°C.
It's a particularly strong fit for couples, honeymoons, mid-range.
Tell us your dates, certification level and what you want to see — we'll match you to the right trip in Koh Lanta and lock the dates in minutes.
Chat With a Dive Pro on WhatsApp →