Myrtle flag is a specific term used to describe the emblem that represents the Myrtle Beach area of South Carolina. However, there are a few other synonyms that can be used in place of this term. One such synonym is the Myrtle Beach flag, which is a more geographically-specific term. Another synonym would be the coastal flag, as it is often used to represent coastal regions in general. Additionally, the terms beach flag or ocean flag could be used as synonyms as well. Regardless of what term is used, the symbol represents the unique and beautiful characteristics of the Myrtle Beach area.