For bars/cafes you have 2 places with "Café La Fiesta", "Salon de Thé Falena" for example.
The major cities are the following: صفاقس.
About gas stations, 1 possibilities exist (like "Total Sakiet Ezzit").
Are you looking for an apartment for sale/rent? Or interested by a house? You can check that on Mubawab.