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 Leche Laguna de Leche Laguna de Leche (Spanish for "Milk Lagoon", also called "Laguna Grande de Morón") is the largest natural fresh water lake in Cuba. It is located in the wetland of northern Ciego de Ávila Province, north of Morón, and has a total surface of . (The man-made Zaza Reservoir, at , is the largest in-land water surface by area in the country.) The white color is caused by the lake's limestone bed. Natural movements of the sea level cause disturbances in the water table, which releases lime particles from the lake bed into the water. A channel built