Holidaymakers and passers-by watched as the helicopter landed on the Promenade this afternoon
A North West Ambulance Service spokesman said the service received a call at around 2pm today to a private address in Coop Street, which runs parallel to the Promenade.
A patient was conveyed from Coop Street to the Promenade, where a waiting Air Ambulance took them to hospital.
No further details have been released.
A Lancashire police spokesman said it was a matter for the ambulance service.