About Observation Post #2 Laguna San Ignacio, Baja California, Mexico A Gray Whale Nursery: San Ignacio is about 500 miles south of San Diego, and 80 miles (120 km) south of Laguna Ojo de Liebre. This rugged and remote lagoon is 16 miles long and 3 to 4 miles wide. Several hundred whales come and go at any given time during the season. This breeding and calving grounds remains untouched by human development. . .and citizens are working to keep it safe for whales who arrive there each winter. Photo:Johnny Friday, BajaEcotours Laguna San Ignacio, Baja California