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Each sunrise brings swarms of tour boats, full of visitors anxious to swim with the manatees at King Spring in Crystal River National Wildlife Refuge. But on this particular day, the snorkelers were soon followed by a sudden thunder storm.

This was the second day of our week in Crystal River and although it rained all day, I still went out to swim with the manatees. I swam straight from our hotel – where this time lapse was filmed – and out to the spring. For a review on the Port Hotel and Marina, visit our lodging reviews page.

Filmed by Hal Brindley on a GoPro® HD Hero2 camera in Kings Bay, Crystal River, Florida.