There are about four supermarkets with lots of variety. The big ones to ask for are Champignon, Paniere, Universe 7, all located on the same boulevard through town.
Adjarra Market
Located 10km north of porto. held every fourth day, this market is certainly one of the best in benin. one can find unique types of tie-dyed fabric, amazing pottery, unusual musical instruments, various voodoo ornaments, and of course mainstream market items.