Fire crews from Mablethorpe and Alford attended a beach chalet fire at Bohemia Promenade, Sutton on Sea.
The fire was reported at around 1.50pm yesterday afternoon (Tuesday).
Crews used two hose reels to put out the fire.
Lincolnshire Police have said that they are in the process of finding the owner of the chalet.
They added that ‘enquiries are ongoing to establish the cause of the fire’.