Boulder City – Deep diving on the Similan Islands
Boulder city is a submerged site about one kilometre off the east coast of island no. 3 and about 400 m south east of Sharkfin Reef.
Due to its exposed location it is possible to see almost anything on this Similan dive including whale sharksOpens in a new window and manta raysOpens in a new window.
It is always an exceptional dive.
