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
Laguna (province) resources of Laguna are in its agriculture and fisheries, owing to its position near the Laguna de Bay and the surrounding lowlands. There are about forty rivers in Laguna with a total area of almost . The Laguna de Bay has an approximate area of broken down into of land and of lake proper with shoreline. The shores of Laguna de Bay provide fishing grounds capable of producing of fish, or roughly two-thirds of the fresh water fish requirements of Metro Manila. Laguna has an estimated 300 million US gallons (1,100,000 m³) of underground water. At least seven principal water