Fireworks went on sale in the city of Watsonville on Sunday. Only fireworks designated “safe and sane” are allowed to be sold. Every year watsonville city officials allow a limited number of non-profit organizations to raise funds through the sale of fireworks. safe and sane fireworks are only permitted in watsonville, seaside, marina, greenfield, king city, soledad, gonzales, salinas, gilroy, and hollister. in san juan bautista they may be used, but are not sold. and, in capitola, safe and sane fireworks are only permitted on private property. “Safe and sane” fireworks do not explode or shoot into the air.