Firefighters have been called to a blaze in a field in Apse Heath this afternoon (Thursday).
The Isle of Wight Fire and Rescue Service says an area measuring 400 x 200 metres is well alight.
It was called to Alverstone Road at 4.03pm.
Pumps from Shanklin, Newport and Ryde are at the incident, along with water carriers from Freshwater and Ventnor.
No one has been hurt, according to the fire service.
The fire has now been bought under control by the teams, who have left the scene.