Rosie’s Dog Beach is an area of Belmont Shore Beach designated by the city of Long Beach for beachgoers with off-leash dogs. This whole area is one long wide beach so it’s hard to tell where the boundaries are since it is not fenced in, but cones are commonly used to delineate the dog area. The official beach dog zone is between Roycroft and Argonne Avenues along Ocean Boulevard. The rest of the beach, which is centered on Granada Avenue, is commonly called Granada Beach.