Richelieu Rock Dive Site — Thailand

About Richelieu Rock

Thailand's most famous dive site — a horseshoe-shaped pinnacle in open water covered in vibrant purple and red soft corals. World-renowned for whale shark encounters between February and May, Richelieu Rock also hosts clouds of glassfish, ghost pipefish, seahorses, and ornate harlequin shrimp. The site is consistently rated among the world's top 10 dive sites for its extraordinary biodiversity and macro life.

Site Information

• Depth: 5–35 m
• Difficulty: advanced
• Site type: Pinnacle
• Current: Currents at Richelieu Rock can be strong and variable, a factor that influences dive conditions and visibility. Dive guides may opt not to dive certain areas during peak current days, even with experienced groups.
• Best time: February-May (whale sharks)
• Region: Thailand

Highlights

• Whale sharks
• Seahorses
• Soft corals
• Pinnacle dive

Marine Life at Richelieu Rock

• Whale Shark
• Reef Manta Ray
• Leopard Shark
• Blacktip Reef Shark
• Green Turtle
• Hawksbill Turtle
• Barracuda
• Eagle Ray

Liveaboards visiting Thailand

• Raga — 5/5, from €255/day
• Seatopia — 4.9/5, from €159/day
• Deep Andaman Queen — 4.8/5, from €194/day
• Andaman — 4.8/5, from €108/day
• Marco Polo — 4.8/5, from €276/day
• Manta Queen 6 — 4.8/5