mini backless dress Lauren Elaine Affinity 510 Bust Backless Short Slip Dress -

Meet Our Expert For this article, Byrdie interviewed a bra expert on what to look for and how to use a backless bra: Rael Cohen is the co-founder and chief creative officer of ThirdLove

Here are 10 ideas that work well under $20 per person

Activities: Private yoga or breathwork class, sound bath, healthy brunch with mocktails and smoothies, journaling circle for messages to the bride

Shop shiny mermaid bathing suits on Amazon, sip on delicious seashell spritzers, and book a henna artist to paint intricate mermaid inspired designs on guests

Looking to really kick it up a notch

Last Splash For a fun twist on the nautical theme, why not try a mermaid theme for a bachelorette party thats a shimmery show-stopper