About this spot
Green Rock sits in the Gulf of Thailand near Ko Nang Yuan, a popular island destination. The site draws divers year-round and offers reliable access for both beginners and experienced divers. The spot has been observed by the diving community, with 12 species observations and three community videos documenting conditions and marine life encounters. Waters here support diverse fish and coral ecosystems typical of the Gulf's warm tropical environment. Visibility and water temperature vary with seasonal changes, but the year-round accessibility means dives can happen any month. The site is outside marine protected areas, so standard Thai diving regulations apply. Local dive operators run regular trips to Green Rock, making logistics straightforward for travelers. Community feedback—captured in video and species logs—shows consistent marine encounters. Coral health is worth monitoring; divers should check current conditions before booking. The combination of predictable conditions, established operator access, and documented marine activity makes Green Rock a solid choice for Gulf of Thailand diving.
📖 Guide: Diving in Thailand: 73 Sites from Whale Sharks to Shallow Reefs
Best months
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 · 49%
- 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
›What's the best time to dive Green Rock?
Green Rock is dived year-round. Conditions shift with seasons—typically calmer and clearer in cooler months—but access remains consistent. Check with local operators for recent visibility reports before booking.
›What's the difficulty level and depth?
Green Rock welcomes divers of various experience levels. Depth and site conditions vary; community videos and local dive shops can confirm current specs. Ask your operator about maximum depth and currents on your planned date.
›What marine life will I see?
Twelve species have been documented at Green Rock. Tropical Gulf fish and coral life are typical. Watch community videos to see recent sightings, and ask your guide about active species during your visit.
›Do I need permits or special access?
Green Rock is outside marine protected areas and uses standard Thai diving rules. Book through established local operators who handle logistics and any required notifications. No special permits are needed beyond a valid dive certification.
