Lidl wants to open stores in Old Town, Willingdon and Hailsham.
It has revealed it is aiming to build 36 new stores across Sussex.
On the list are:
Eastbourne Old Town
Christian Härtnagel, CEO at Lidl GB said: “We are calling on developers and landlords up and down the country to help find potential sites for us to build Lidl stores, which demonstrates the continued ambition we have to further expand our store portfolio across the nation.
“We are looking forward to opening more stores throughout the country and welcoming new colleagues in the coming months and years, so that more communities can access high quality food at the lowest prices on the market.”