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2 New Reasons Why Officials Are Warning Tourists To Be Alert On Cabo Beaches

We at The Cabo Sun live for sun-soaked days on Cabo’s legendary beaches, but part of loving these shores means respecting their rhythms—and the wildlife that calls them home.

This week, Protección Civil stepped up patrols after reports of both a shark sighting and jellyfish (“aguas malas”) presence along our coastline.

Read on for two new reasons officials are urging extra vigilance—and exactly how you can stay safe while still soaking in every golden moment.

People walking on beach in Los Cabos

1. Shark Sighting Sparks Heightened Beach Patrols

Late Saturday, a citizen report alerted Protección Civil to “the presence of a shark” off Cabo’s shores that we reported on here.

In coordination with ZOFEMAT, lifeguards and marine officers immediately cleared swimmers from the water and launched systematic sweeps—from Playa El Tule all the way to La Playa community—using beach towers and patrol boats.

Francisco Cota Márquez, director municipal de Protección Civil, reminded everyone that shark visits are a natural phenomenon, especially around Cabo del Este and San Luis, where fish concentrations draw these curious visitors nearshore. He emphasized:

Palmilla Beach Los Cabos

What you need to know:

  • No injuries reported: This appears to have been a single, exploratory shark—officials did not locate the animal during patrols, and no one was harmed.
  • Natural behavior: Sharks often come close to shore hunting small fish, then move on once the tide shifts.
  • Vigilance protocol: While the beach remained open, lifeguards maintained extra scanning of the surf, and swimmers were guided to safer zones when needed.
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2. Jellyfish (“Aguas Malas”) Sightings Remind Swimmers to Watch for Tangles

Alongside the shark report, Protección Civil issued an alert about jellyfish—locally known as “aguas malas”—floating into popular bathing areas. These gelatinous drifters can trigger skin irritations, burning sensations, and even fever if tentacles make contact.

What you need to know:

  • Skin reactions possible: Contact can cause redness, itching, and mild stings.
  • Stay aware: If you see translucent blobs or trailing tentacles, pause before entering and swim elsewhere.
  • First-aid ready: Resorts and lifeguard stations keep vinegar and rinse stations on hand for quick relief.
Los Cabos Officials Warn Tourists To Practice Extreme Tourist Precautions For Jellyfish Right Now

How to Keep Your Cabo Beach Day Worry-Free

With these alerts in mind, a few simple precautions can help ensure your beach day remains pure relaxation. By staying informed, following on-site guidance, and observing the flag signals, you’ll be free to focus on that perfect sunset—and nothing else.

  1. Follow Lifeguard Instructions: When security teams ask you to move zones or temporarily clear the water, it’s for your safety—always comply promptly.
  2. Read the Flags: Cabo beaches use a color-coded system to relay conditions:
    • Green: Calm waters—swim freely.
    • Yellow: Caution advised—stronger currents or marine life present.
    • Red: No swimming—high hazard.
    • White: Marine wildlife alert—jellyfish, sharks, or other creatures spotted.
      Get the full rundown of our flag-warning system.
  3. Stay Within Designated Swim Zones: Lifeguards concentrate their watch in these areas—swimming beyond them can put you out of easy reach.
  4. Buddy Up: Sharks and jellyfish both avoid larger, noisier groups. Swim with a friend, and you’ll also have someone to help if you need it.
  5. Report Sightings: Spotted something out of the ordinary? Alert the nearest lifeguard tower immediately.
Red Beach Warning Flag in Cabo San Lucas, Mexico

Insider Tip: Pick a Blue Flag Beach for Extra Peace of Mind

If you prefer an added layer of assurance, head to one of Cabo’s Blue Flag–certified shores—including Palmilla and Chileno. These award-winning beaches meet top-tier standards for water quality, safety equipment, and lifeguard staffing. Discover why 23 of our beaches now carry Blue Flag honors and plan your ultimate safe-swim adventure.

Despite these alerts, Cabo’s coastline remains one of the most stunning—and safest—destinations on the planet.

By staying alert, heeding local teams, and respecting the flag system, you’ll keep your beach days filled with sunshine, sea breezes, and that signature Cabo calm.

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