Located in Dublin, California, Aquarium Concepts is one of the largest aquarium stores in the state. Serving the Tri-Valley and East Bay Area since 1992, we now have over 25,000 gallons of aquariums in our store! We offer the finest livestock from around the world, and have unmatched selections of saltwater and freshwater fish, koi, ponds, plants, watergarden, corals, and invertebrates, as well as the quality equipment you need to care for your aquatic pets.