If you don't mind to drive a little bit, there is one very good Spanish food store in harber city, La Espanola Meats. Saturday is good time to go, since they put various types of cold meat, cheese, olives for tasting. Paella is also served on Saturday too. Closed on Sunday.
http://www.yelp.com/biz/la-espanola-meats-harbor-city#query:spanish%20stores