Girls, what's with all the big deal about going topless? ESPECIALLY at the beach? Do you realize it's not even noticed on most beaches of the world except for here in the Americas? And that it's only sexual here because we've made it that way? It's agruably not even nudity... unless of course you also consider a dude with his shirt off to be nude.
Yes. Guys find breast beautiful - and attractive. Of course they do! But same for many other parts of a girls body... shoulder, nape of neck, small of back, lips, hands, etc, etc... and boobs are no more active sexual body parts than any of those things.
Put it this way, in virtually all of north america it's perfectly okay to see images of weapons, violence, maimed bodies, horror as entertainment, and on and on... but a girl's nipples and breasts are indecent? Don't you think that's completely effing backwards? That's a great big WTF moment when you think about it.
If it's legal where you are, band together and go for it - it's totally cool and perfectly acceptable as long as you be casual and non-chalant about it. NOT all lewd and like, "hey fellas, I'm d. a. f., look at my titties!".
North america is pretty much the only continent in the world where anyone gives a shit. And you CANNOT tell me that a bikini top is a super comfortable article of clothing. So girls, the more you stop hiding them or acting like your boobs are something taboo or to be ashamed of, the sooner no one will care.