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Richelieu Rock
40m - 1m depths, Avg temp - 28*
With plenty of macro-life like Ghost Pipefish and Harlequin Shrimps, and several WhaleShark visits each season, it's easy to see why Richelieu Rock is always voted "Best Divesite in Thailand".

Located 30 miles north of the Similans, Big Blue makes day trips to Richelieu 3 times a week.
 

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  The Similan Islands
Just 60km west of Khao Lak, the Similan Islands are spectacular chain of nine granite islands, each with tropical jungle, brilliant white sandy beaches and surrounded by warm, crystal clear water which is teeming with colorful marine life and stunning corals. Calm, protected bays make it great for snorkeling too!

Big Blue Koh Tao
Can't make it to Khao Lak for the Similan season (October to May)? Are you looking for lots of diving on a limited budget? If so, check out Big Blue Koh Tao.

Big Blue on Sairee Beach, Koh Tao