Samaesan Hole
The Samaesan Hole is a technical diving site is located in the Gulf of Thailand, Samae San Island, in Sattahip District, Chonburi Province. The local vicinity is renowned for its technical diving due to the high concentration of deep and easily accessible dive sites, with PADI referring to it as "Thailand's Hidden Gem for Tec Divers". The area has numerous entries on the List of deepest dive sites in the Gulf of Thailand, with the deepest being the Samaesan Hole, with a recorded depth of 85m to 100m. The dive site lies in the vicinity of the shipping lanes between Koh Rong Nang and Koh Samaesan by the area named Explosives Dumping Ground on local sea charts.
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