About this spot
Hin Daeng sits off the Andaman coast and ranks among Thailand's most challenging dive destinations. The site consists of submerged rock formations that rise from deep water, creating nutrient-rich conditions that attract large schools of jacks, barracuda, and occasional sharks. Strong currents are the defining feature—divers must have solid buoyancy control and experience with drift diving. The underwater terrain features steep drop-offs and crevasses where soft corals and gorgonians thrive despite recent coral stress indicators. Visibility varies with season and tide, but calm days reward divers with clear views of the pinnacles and passing pelagics. Night dives are popular here for spotting nocturnal species. Access requires a boat from the mainland, typically a 2–3 hour journey. Most dives depart from Phangnga or Phuket. The site operates year-round, though conditions vary; planning with local operators ensures you hit the best windows. Hin Daeng draws intermediate to advanced divers seeking big fish and raw underwater drama rather than shallow reefs.
📖 Guide: Diving in Thailand: 73 Sites from Whale Sharks to Shallow Reefs
Best months
Marine life
Dive types
Trip essentials
Everything you need before you pack — checklist, sun, logistics.
Trip checklist
- 🛂 Visa-free or visa-on-arrival
- 📜 C-card + dive insurance (DAN)
- 📔 Dive logbook
- 🧴 Reef-safe sunscreen SPF 50+
- 🔌 Plug type A/B/C · 220V adapter
- 💊 Seasickness meds + ear drops
- 📱 Offline maps + emergency contact
Quick facts
- 🌓 Moon First quarter · 47%
- GPS
› Sustainability disclosures
From your departure country
- Visa: Visa on arrival · 30 days max
- Flight: 11h · direct
- Jet-lag: 12h east · 8 days recovery
FAQ
›When is the best time to dive Hin Daeng?
Hin Daeng is diveable year-round. The dry season (November–April) typically offers calmer seas and better visibility. May–October brings monsoon swells and stronger currents, suiting experienced drift divers.
›What experience level do I need?
This is an advanced site. Strong currents and deep water demand solid buoyancy, current awareness, and experience with drift diving. Intermediate divers should dive with a guide and be comfortable handling challenging conditions.
›What marine life might I see?
Expect large schools of trevally and barracuda, reef sharks, groupers, and occasional mantas. Soft corals and gorgonians cover the rocks. Nocturnal species emerge on night dives.
›Do I need permits or special access?
Hin Daeng is not within a marine protected area and requires no special permit. Access is by chartered boat from Phangnga or Phuket; arrange dives through local operators.