The street market in Salou is located in the old town on Via Roma on a Monday Morning. Other street markets in the area can be found at the following locations 

MONDAY  -  Salou and Reus
TUESDAY  - Tarragona
WEDNESDAY -  Cambrils
THURSDAY -  Tarragona and Vila seca
FRIDAY -  La Pineda
SUNDAY -  Bonavista

The largest market is the one at Bonavista on a Sunday. This is approximately 20 minutes from Salou.

Salou Market

Monday (9:00 to 13:30)