Laguna is the pond and water garden brand of the Rolf C. Hagen Group, a large Canadian pet products company headquartered in Montreal. The Hagen Group also owns Exo Terra, Fluval, and other well-known aquatic and pet brands. Laguna pond pumps, filters, and pond products are sold at major garden centers and home improvement stores, making them one of the most accessible pond brands for beginning koi keepers.