3-Days of Doggone Fun! Surf City Surf Dog®, the premier event of the dog surfing circuit held in Surf City USA® and sponsored by Plato Pet Treats .The annual Unleashed by Petco Surf City Surf Dog returned for its sixth year at Huntington Dog Beach. This three-day event celebrates your pooch and their love for the beach. Huntington Beach was teeming with surfing dogs, costume contests, Yappy Hour, and special exhibits and events at the International Surfing Museum. The Surf Dog competition includes heats for all size dogs, from under 20 pounds to over 60 pounds.