Susan Hoi or Fossils Shell Beach
Different from other beaches in Krabi, Fossils Shells Beach, 17 km away from the city, is embedded with chunks of 40-million-year-old assorted mollusks. This shell graveyard at Ban Laem Pho was once a large freshwater swamp, the habitat of diverse mollusks. With changes on the surface of the earth, seawater flooded the freshwater swamp and the limestone elements in the seawater enveloped the submerged mollusks resulting in a homogenous layer of fossilized mollusk shells forty centimeters thick known as Shelley Limestone. Again, due to major terrestrial change, the layers were broken in great amount of oversized shatters across the shore and known as ‘shells graveyards’ as it is today.