Laguna (province) producing of fish. Carp and tilapia fingerlings are also being grown in inland ponds and freshwater fish pens. There are a total of 457 operators utilizing an area of for fish pens and fish cages. Aside from the Laguna de Bay, approximately 12% of the area in the Seven Lakes of San Pablo is being used for aquaculture. Laguna is home to twenty-one economic zones as registered under the Philippine Economic Zone Authority. Most of these economic zones are located in Santa Rosa, Biñan, and Calamba. The largest economic zone in Laguna is the Laguna Technopark, located in Santa Rosa
Rancho Refugio de la Laguna Seca portion to Fiacro Fisher. Liberta resided on Rancho Laguna Seca until the death of Caesar Piatti in 1899. Rancho Refugio de la Laguna Seca Rancho Laguna Seca (also called "Refugio de la Laguna Seca") was a Mexican land grant in present day Santa Clara County, California given in 1834 by Governor José Figueroa to Juan Alvires. "Laguna Seca" means "Dry Lake" in Spanish, and refers to the seasonal lake, Laguna Seca. The grant extended southward along Coyote Creek from Rancho Santa Teresa and Coyote to Rancho Ojo del Agua de la Coche and Morgan Hill. Juan Alvires was alcalde of