A dramatic and shocking scene unfolded off the coast of Portugal recently. A pod of critically endangered Iberian orcas attacked a tourist sailboat near Fonte da Telha Beach, repeatedly ramming its hull and rudder.
The damage was so severe that the boat sank, though thankfully all five people aboard were rescued without injury.
Curious Behavior by Orcas Down the Coast
Just hours after the yacht sank, another sailboat in Cascais Bay reported a similar orca interaction. Four people aboard were safely taken to port after orcas struck the side of their vessel.

While the second boat did not sink, several hits caused damage, particularly to the rudder which is known to be a frequent target in these interactions.
What We Know So Far
The incidents happened on 13 September near Lisbon: the first off Fonte da Telha, the second off Cascais. The sunken sailboat was owned by a yacht rental company called Nautic Squad.
No one was hurt in either incident, according to the Portugal National Maritime Authority. These details show how quickly the events unfolded, leaving authorities on high alert for more encounters.
Scientists Weigh In: Play or Something Else?
Experts who study orcas believe this may not be purely aggressive behavior. Many orca-boat encounters target rudders — which can disable or control a boat. Researchers suggest that orcas may be engaging in a play-like behavior, or exploring interaction with man-made vessels, rather than trying to harm people.
These incidents are becoming more frequent: since about 2020, over 70–80 orca interactions with sailboats have been recorded along Spanish and Portuguese coasts, some severe enough to sink boats.

Some commentators took the side of the orcas.
Growing Concern for Sailors and Tourists
The situation is unsettling not only for researchers but also for sailors, fishermen, and tourists. Portugal’s southern coastline is a popular destination for recreational boating, and orca interactions create both danger and financial risk. A sunken yacht is a heavy loss for rental companies, while damage to smaller vessels could threaten livelihoods for local fishermen.

Tourists may feel excitement when they first spot these large marine mammals, but the mood can quickly shift when orcas strike a boat repeatedly.
Area Response and Warnings
Following these attacks, maritime authorities and coast guard units have stepped in: Patrol boats were dispatched to escort damaged vessels to safety when needed. Navigational warnings have increased for small boats, especially in deeper waters off the Iberian coast. Authorities urge sailors to stay alert.

Officials are also considering whether to create temporary no-sailing zones in the most active areas to prevent more boats from sinking. This shows how serious the problem has become in a region where orcas are normally admired and celebrated.
What Lies Ahead
For now, the focus remains on safety and close monitoring. While researchers debate the reasons behind these strange interactions, boat owners are advised to prepare emergency plans.
The sea off Portugal is still beautiful and inviting, but the presence of orcas has turned each sailing trip into an unpredictable adventure.
Watch the video here:
@abc7la A wild scene played out off the coast of #Portugal with a pod of #orca #whales seen attacking and sinking yet another boat. It’s not the first incident of its kind, but scientists say the whales aren’t targeting humans — they most likely just want to play. #orcassinkingboats Via @abcnews
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