American Ocean Diner 959 Aviation Blvd, Hermosa Beach, CA 90254 (310) 372-3739 Homestyle classics are served up at this 40s-style diner with baked goods & all-day breakfast. 959 Aviation Blvd, Hermosa Beach, CA 90254 (310) 372-3739 Review: Discover Ocean Diner in Hermosa Beach About Ocean Diner Website Price:$ Hours:Mon - Fri 7am - 2pm Sat - Sun (and holidays) 7am - 3pm Bar: — Parking: Street Reservations: Required for larger parties Last updated: November 14, 2021