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 de Sayula Laguna de Sayula Laguna de Sayula ("Sayula Lake") is a lake located in the southern area of Jalisco, about 60 km from Guadalajara. It is located in the municipalities of Sayula, Zacoalco de Torres, Amacueca, Teocuitatlán de Corona, Atoyac and Techaluta de Montenegro. The lake level has gradually been lowering since 1993 but it still supports a large variety of wildlife. Laguna de Sayula is found in the Zacoalco-Guzmán water system, right between the Tapalpa Mountains and the Mazamitla Mountains, in the central part of Southern Jalisco. The coordinates of its borders are: It measures with a maximum width of