Phone: (310) 928-9497.... Address: 500 S Sepulveda Blvd #305, Manhattan Beach, CA 90266.... WELCOME TO GIANT SMILES DENTAL Where your smile is our top priority! From our dentist to our support staff, our team believes that every patient deserves personalized, attentive service. Whether we are providing routine care, treating an emergency situation, or giving you a beautiful new smile, we work our hardest to provide the highest quality dental care while maintaining a relaxing, comfortable, and friendly environment.