The blaze broke out at 5.30 yesterday morning.
Gardaí are appealing for witnesses to a fire in Westmeath.
The blaze broke out at Charlie's Bar and Bar One Racing on the Dublin Road, Athlone, around 5.30 yesterday morning.
The owners have described it as a horrific day but say they will be back bigger and stronger.
Anyone with any information is asked to contact Athlone Garda Station on 090 64 98 550.