A helicopter also travelled to the scene from Prestwick but left after a short time.
Police say the person was traced safe and well.
A spokesperson for HM Coastguard said: “We were assisting Police Scotland in a search for a person.”
It has been confirmed the search was not connected to the annual May Day dip that St Andrews University students took part in at East Sands on Wednesday morning.
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Helicopter and lifeboats called to search for missing person in St Andrews
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