Keep an eye out at Handicraft Market — you're sure to find some unique curio in one of its many stalls. After you've had a thorough browse of things, try some fare from one of the food vendors.
Need to stretch your travel dollars further? Handicraft Market is an awesome place to start your sightseeing in Centro. This community marketplace doesn't cost a cent to enter. Itamambuca Beach, Toninhas Beach and Tenorio Beach are nearby and also worth checking out.