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Everything You Need for a Mermaid Bachelorette Party

Dive into the wonderful world of themed bachelorette parties with these fun, mermaid-inspired picks.
mermaid bachelorette party supplies
Emma Lawler
by Emma Lawler
Updated May 01, 2020
We have included third party products to help you navigate and enjoy life’s biggest moments. Purchases made through links on this page may earn us a commission.

Sometimes you just want to let your inner mermaid out, and what better time than your bachelorette party? Get your friends involved and really make a splash with our favorite mermaid bachelorette party ideas. Do you have a pool party on the horizon? Or maybe you're getting the girls together for a beach bash? Whatever your plans are, we think you'll love one or two (or all) of these mer-mazing bachelorette party essentials. And for even more inspiration, The Knot Shop and Etsy are bursting with on-theme apparel, supplies and decorations.

Last Splash Invites

Mermaid themed bachelorette party invitations

Make sure everyone knows to bring their best flippers with an under-the-sea-themed bachelorette party invitation. These watercolored beauties are printable, so you can start organizing your "last splash" bachelorette straight away!

Piper and Finch instant Last Splash mermaid bachelorette party invitation, $12 for a digital download,

Breezy Tank Tops

Mermaid themed bachelorette party tank tops

Here's an easy throw-on, throw-off top for when you want to cover up. Plus, the mermaid bachelorette shirts can be mementos of all the fun everybody had at your party.

The Knot Shop personalized bridal party wedding tank top in Party Our Tails Off, $15,

Mermaid Tattoos

Gold mermaid tattoos for bachelorette party

Bring a bohemian vibe to your mermaid bachelorette party with some temporary tattoos. These metallic gold party supplies are even waterproof, so you can spend as much time in the pool as you want. We also love them as fun mermaid bachelorette party favors.

No Regrets Tats mermaid bachelorette party tattoos, from $7,

Themed Tote Bags

Mermaid themed bachelorette party tote bags

Every pool party needs a sturdy tote bag. This fun mermaid scale-patterned tote has room for all your gadgets, gizmos, whozits and whatzits galore (hello, The Little Mermaid lovers!). Use them to hold the party favors to stay on-theme. Then afterward, repurpose them as eco-friendly alternatives to plastic grocery bags.

Monika Strigel Summer Mermaid tote bag, from $25,

Personalized Mermaid Cups

Mermaid cup for a mermaid themed bachelorette party

Swap your crystal stemware for these Instagram-friendly mermaid bachelorette party cups. Why not try to create a fun ocean-themed signature cocktail to sip while you enjoy the party?

Pineapple Proper mermaid bachelorette party cups, $4 each,

Mermaid Hair Ties

Mermaid party favor hair ties for a mermaid themed bachelorette

Sure, mermaids are known for care-free tresses, but sometimes you just want to get them out of your face. (And what a cute giveaway! They go perfectly with these iridescent bachelorette party favor boxes.) These adorable mermaid accessories are available in a range of colors on a personalized display card that states the date of your bachelorette party.

Hoo Hair Ties Mermaid Hair Don't Care hair ties, $3 for a card with 2 hair ties,

Insta-Worthy Pool Float

Mermaid themed bachelorette party mermaid tail pool float

Be the belle of your bachelorette bash with your brand new mermaid tail. Haven't you heard? Pool floats are the new black. 

Big Mouth Inc giant mermaid tail pool float, from $17,

Another Pool Float

Mermaid themed bachelorette party seashell pool float

Is one really enough? This pool float is a tad more understated but still oh-so fun. It inflates in just minutes with a hairdryer, perfect if you're jetting off for a bachelorette party in the sun. Plus, you can connect your float to a friend's and laze around the pool together.

Get Floaty blue seashell, $78,

One Last Pool Float

Mermaid themed bachelorette party seashell pool float

Okay, just one more float for good measure. You'll be the center of attention at your bachelorette party with this seashell and beach ball combo. 

Bk giant mermaid shell pool inflatable, $98,

Metallic Swimsuits

Mermaid themed bachelorette party one piece swimsuits

Make a statement by striking a pose with your bachelorette party in matching mermaid swimsuits. We love the fun mermaid-tail pattern and comfy one-piece style for an effortlessly glam look at your beach bash. 

Eomenie one piece swimsuit in Color 1, from $27,

Shell Accessories

Seashell purse for a mermaid themed bachelorette party

Bring a bit of mermaid magic with you by bringing this seashell bag wherever your bachelorette party takes you. The long crossbody strap leaves your arms free to keep on celebrating, with just enough space to carry the essentials. It also comes in glittery pink and blue for a sparklier touch.

Kuang seashell crossbody purse in White, $17,

Mermaid Makeup Brushes

Mermaid tail makeup brushes

Keep the mermaid vibe strong during touch-ups in between your bachelorette party's happy hour and dinner. This set of makeup brushes features all the essentials for a flawless face, complete with mermaid tails. What makes these must-haves even better is that they are both cruelty-free and vegan! They're also excellent on-theme bachelorette party gifts for the bride.

Tarte Minutes to Mermaid brush set, $42,

Mermaid Tail Travel Mugs

Mermaid tail travel mug for bachelorette parties

Lightweight but lovely, this colorful travel mug is perfect for mermaids on the go. You can use these as whimsical bachelorette party supplies to help you stay hydrated throughout the day. Or, if you're going to be drinking from cans, cute koozies can help you stay on-theme instead.

Christyne mermaid iridescent shimmer travel mug, $29,

Tail Bottle Stopper

Mermaid tail wine bottle stopper

If you're having too much fun at your bachelorette bash to finish the bottle, don't worry! A wine stopper is one of those must-have bachelorette party supplies, and this mermaid design blends usefulness with quirky style. 

Blush multicolor bottle stopper in Siren, $17,

Floating Cup Holder

Floating mermaid tail cup holder

With this mermaid tail drinks holder, you'll never be too far from a refreshing tipple. Spend your bachelorette party lounging on the water with your closest friends as this piece can carry up to four drinks at a time. You'll also appreciate the handy repair kit it comes with, in case you get carried away with the celebrations.

Sunnylife inflatable drinks holder in Mermaid, $25,

Crystal Crown for the Bride

Mermaid themed bachelorette party crystal crown

Swap the bride-to-be sash for a made-to-order quartz mermaid crown fit for a sea queen. Use it as a subtle hint at the mermaid theme of your bachelorette party. We're big fans of how customizable the colors are, from the metal of the headband to the trendy ombre stones in a rainbow of shades. (Still think a sash is more your style? We've got you covered with this mermaid bachelorette party option.)

Titania's Wardrobe ombre quartz mermaid crown, $48,

Fondant Cake Topper

Shimmery mermaid tail cake topper

Put the finishing touch on an unforgettable mermaid bachelorette party with a cake topped with this shimmering mermaid tail. Go all out and eat the dessert from an iridescent shell-shaped plate.

The Cake Beautician fondant mermaid tail cake topper, from $8,

Under-the-Sea Party Games

Mermaid bachelorette party games

Want to spend some time on land? We have you covered with these cute on-theme mermaid bachelorette party games. The activities bundle is printable so you don't have to wait for the paper goods to ship out.

Blue Bunny Printables mermaid games package, $9,

Last Splash Decorations

Mermaid bachelorette last splash party banner

So you've organized your mermaid looks, laid out your mermaid cups, made a few pitchers of mer-mosas and inflated your mermaid floats. Now what? Mermaid bachelorette party decorations, of course! This sparkly banner is the perfect finishing touch to your big splash.

Glam Celebration Last Splash mermaid bachelorette banner, from $15,  

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