American MOSA Coastal 190 Hermosa Ave, Hermosa Beach, CA 90254 (310) 504-0381 Chic Italian-inspired, Californian seafood restaurant with a curated wine list & handmade pasta. 190 Hermosa Ave, Hermosa Beach, CA 90254 (310) 504-0381 Review: Most Excellent Mosa [restaurant review] About MOSA Coastal Website Price:$$ Hours:Monday-Thursday 4-9PM, Saturday 8AM-10PM, Sunday 8AM-9PM Bar: Not Served Parking: Street Reservations: Required for larger parties Last updated: November 14, 2021