Snorkeler recounts shark attack off San Mateo County coast By Emma Goss and Aja Seldon Published KTVU's Emma Goss reports. PACIFICA, Calif. - Nemanja Spasojevic says he was snorkeling off the coast of Grey Whale Cove State Beach in San Mateo County over the weekend, when he was bit by a great white shark. He said the plan was to snorkel for about 45 minutes to an hour, an activity he admits is uncommon for that area. "It's a rare activity for that area as visibility is usually extremely low," he wrote. Previous reports stated that Spasojevic was surfing in the area, but he clarified that saying he initially told first responders that he paddled back to shore, but he actually swam back.