A purple flag at the beach signals dangerous marine life—an often-ignored warning that could protect you from serious harm in the water June 5, 2026 by omar ADVERTISEMENT with increased sightings Most beach visitors never ask questions. They simply glance at the flag and carry on. But a quick conversation with a lifeguard can completely change your understanding of the situation. They can tell you: Which areas are safest Whether conditions are improving or worsening What marine animals have been spotted What to do if someone continue reading … ADVERTISEMENT ←PreviousNext→