The Purple Flag at the Beach: What It Really Means (And Why You Should Pay Attention) 1

Actually Mean?

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The purple flag indicates that dangerous marine life has been spotted in the area.Geographic Reference

What qualifies as “marine pests”:

Jellyfish (various species, some highly venomous)

Stingrays (their barbed tails can cause painful wounds)

Sea lice (tiny jellyfish larvae that cause itchy, painful rashes)

Portuguese man o’ war (not a true jellyfish, but extremely painful)

Fire coral (causes burning rashes)

Sea urchins (their spines can puncture skin)

Weever fish (venomous spines)