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Sanctuaries are set up in Kings Bay so manatees have a place to stay warm without being disturbed,
They say manatees would use Three Sisters Springs more if people were kept out.
"We like to share the water but you got to be eco-friendly as well," said Joe Grzeca.
The Save the Manatee Club also believes shutting down Three Sisters would ease crowding near the entrance. Not everyone however, is a fan of the idea.
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