Play with the knots holding her bottoms on.

Her fingers lightly passed over her smooth skin down to the knots of her bikini bottoms. The idea seemed crazy. Getting fully naked at the beach? And this was just an ordinary beach. Not some clothing optional one. Yet the inner arguments of her head were having trouble convincing her not to tug away at the knots.

Mackenzie tugged and tugged, until finally, her bottoms felt looser. Her heart rate picked up, and her blush grew to match her hair. Once last tug took the bottoms out from underneath her. They joined her top in her hand.

Now Mackenzie was naked. And not only that, but she chose to get naked. She could feel the water over all of her curves, and it was somehow more refreshing when she was naked.

Once again looking towards other swimmers, she was relatively secluded. Nobody seemed to be paying her any mind, which left her completely free to skinny dip.

Of course, she would have to hold on to her swimsuit as she did this, which made this a little less fun. Mackenzie couldn't just walk up to the beach and put the suit with her things, she'd be seen for sure.

Mackenzie was about to come to her senses and redress, when she spotted something in the water near her. Her curiosity was perked, so she approached it. Finding a slightly more shallow spot to where she could stand, and saw...