When clothed, a lot of girls like to show off, to be seen with their nice outfits, to show how nice they look...it's completely natural I guess.
I don't think there's any difference when they're naked on a beach for the majority of them, again they want to look beautiful in the most natural outfit, walk elegantly and act with no shame, that doesn't make them especially exhibitionist according to me...
Now off course there are girls showing off more than others but still the word "exhibitionist" is questionable...

When my wife and I were in Cap D'Agde, we would often talk a walk along the beach. While walking at the water's edge many women were there in the sand at that edge, and would sit with their legs spread wide apart. IMO a sort of a look at me pose. Exhibitionism, or just trying to get a tan between their legs?

I think some people confuse "nude confidence" with exhibitionism.

My ex - just like my current GF - started out as a shy nudist. My ex though grew out of it in a more notable way.
As she spent more and more time among nudists, her comfort and confidence grew quickly. At the resort, she went from wearing a sarong and disrobing quietly in the back of the pool area, to just leaving all her clothes in the car and staying completely naked all day. Instead of sitting quietly just passively observing, she started walking around and chatting with other nudists - even actively participating in resort activities. She started shaving and not caring so much - or at all - about how much was "revealing." She became just comfortable with her nudity and being seen completely naked.

That kind of confidence...as the pics below...can be mistaken for exhibitionism. But unless the woman gets a kick out of being seen naked and provoking a reaction, it is not likely exhibitionism.

It IS a pretty one-
 

...and in the first three photos it looks a bit swollen, like she's recently been fucked or is excited by being so exposed to strangers. I like to think she's turned on by all the eyes on her lovely naked body!

My thoughts and feelings exactly
 

It certainly seems like she is particularly excited being naked and watched. At any rate, whatever the exact feelings and behaviour of these girls, they are fucking gorgeous whether or not they can be labelled as exhibitionists. :D

I like cute topless girls in tiny bikini bottoms :)
 

Sometimes a girl wearing a little scrap of clothing is even more sexy than a completely naked chick. It triggers the imagination :cool:

This is one juicy MILF
 

Those tits are just the best.

perfectly said. often used loosely between nude confidence/comfortable being naked to exhibitionism
Nude confidence is more of nudist thing, while nudist may not be exhibitionist always