Girls, Womens communal shower etiquette?

I'm a transwoman and my friends invited me to the ocean to go camping over Labor Day weekend. Last time I was there was probably 10 years ago with my parents, pretransition, but if I remember right at least in the men's it was an open shower situation. that I think had a few half stalls with no doors. What do I do if that's still the case? I can't use the men's, my body is clearly feminine (breasts and butt and such), so I'll have to use the women's but, any suggestions by way of etiquette, I don't want to make people feel like I don't belong.

Girls, Womens communal shower etiquette?
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