
Racha Noi
Racha Yai's wilder sibling. Boulders the size of houses drop into deep blue at the South Tip; when current runs, the big animals arrive. This is a dive for divers.
Highlights
- Granite boulder pinnacles
- Manta cleaning station (Jan–Apr)
- Deep blue drop-offs
What you'll see
Photos: Roma Neus, TimSC via Wikimedia Commons · licences


Racha Noi, in brief
- How deep is Racha Noi?
- Racha Noi ranges from 15 to 40 metres and is suited to advanced divers. It is a pinnacle dive with strong current.
- When is the best time to dive Racha Noi?
- The season is Nov – Apr. Expect 20–35 m visibility and 27–30 °C water.
- How do you get to Racha Noi?
- Day trip · 90 min from Chalong. It is in the Racha Islands area at 7.4707° N, 98.3160° E.
- What marine life can you see at Racha Noi?
- Manta ray, Whale shark (seasonal), Barracuda, Giant trevally. Highlights include granite boulder pinnacles; manta cleaning station (jan–apr); deep blue drop-offs.
Gear we'd bring to Racha Noi
Editor's pickSuunto Ocean
The first dive computer we actually wear between dives. Maps, GPS on the surface, and an AMOLED screen you can read at 30 m in Similan sun.
Current fighterScubapro Seawing Nova Fins
When Koh Tachai's current runs, you want the fins that got us back to the line. Also the ones that look like a bird.
EssentialDive Rite 6 ft SMB + Spool
Drift dives at Koh Bon end in the blue. Every guide will ask if you have one. Have one.
Trips that diveRacha Noi
- Day trip
Racha Yai & Racha Noi Day Trip
The classic Phuket day: two dives, a hot lunch on deck, and a nap on the sun deck back to Chalong.
- Course
PADI Open Water Course · 3 Days
Get certified in the warmest classroom on earth. Theory online before you fly, then three days at sea.
