Little girls around the world have always been fascinated by mermaids. With their beautiful tails, enchanting songs, and magical powers, it’s easy to see why!
If you have a little one obsessed with these mythical creatures, throwing a mermaid-themed party is the perfect way to make their dreams come true.
Just imagine the look on their face when they step into a world filled with shimmering decorations, mermaid costumes, and delicious treats! From which invitations to send to what games to play, our mermaid party ideas will make a splash at your child’s next birthday celebration.
We also have tons of other kids birthday party ideas, so be sure to check them out! But for now, let’s dive into the world of mermaid parties and discover how to can bring this magical theme to life.
Best Mermaid Birthday Party Ideas
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Mermaid Party Invitations
Dive into a magical world with enchanting mermaid party invitations for your little girl's special day! I always say the invitations set the tone of the party, so you’ll want to be sure you pick the perfect ones!
There's a sea of choices, but we've narrowed it down to our top two favorite options that we're sure will make a splash will all her friends!
Little girls will love the sweet and youthful feel of these invitations. They are simple and easily customizable with all your party details!
Older girls may prefer the sophisticated feel of these mermaid invitations.
Whichever invitation you choose, use the color palette for the rest of the party. It’s a simple way to make the whole party feel cohesive without making everything overly matchy matchy.
Mermaid Party Favors
Planning a party is always exciting, but creating the perfect party favors is arguably the best part! With so many fabulous ideas out there, it can be hard to narrow down your choices.
Luckily, we've put together a list of our top picks to help you create a party favor your daughter will adore.
These easy DIY mermaid crayons would be fun to add to a mermaid party favor bag and they’re so simple to make!
Kids can’t seem to get enough slime, so why not make this sparkly mermaid slime. Use these small storage containers to package the mermaid slime up and add it to the party favor bag!
No young girl could resist these sparkly mermaid slap bracelets. They come in a twelve pack and each one has reversible colored sequins!
Does your little girl love to craft? If so, then make these DIY mermaid bath bombs a few days before the party and package them up to hand out to all of the guests.
If you want some candy for your treat bags, use these blue gummy sharks that will pair perfecly with your magical mermaid theme.
Of course you're also going to need to add some swedish fish to the bag which will go together perfect with the blue gummy sharks!
If gummy sharks and swedish fish aren't your little girls thing, these fish shaped hard candy pieces will be perfect then!
Of course, you’ll need something to hold all the fun goodies from the party. These drawstring mermaid party favor bags are perfect for holding a few small treats!
Mermaid Party Decorations
With just a few well placed pieces, you can completely transform the party into an underwater paradise that will leave your girls in awe. Thankfully, there are plenty of mermaid party decorations to choose from, each one more whimsical and adorable than the last.
Some of our personal favorites are found below. Once you start incorporating these magical mermaid decorations into your party planning, you won't be able to stop. So dive in, get creative, and let the underwater festivities begin!
A balloon set like this one is great for easy decorating since you’ll have a mixture of mylar and latex balloons to spread out around the party area.
If you need more balloons, we recommend using these pearlized balloons in lavender and baby blue.
If your little girl wants to help decorate for her big day you can make these mermaid paper chains ahead of time and then hang them on the dessert table or along the birthday girl’s chair.
This fish net party decoration can really give your decorated space the extra pop it needs to really stand out and make it more memorable.
Grab these white starfish to decorate the dessert table for an instant mermaid feel.
Add in some teal, lavender, and purple decorations like globes, and pom poms to make any space extra festive.
Mermaid Party Supplies
With plates, cups, and even a cake topper all adorned with beautiful illustrations of mermaids and their underwater friends, your guests will be transported to a magical world beneath the waves.
These mermaid party supplies are sure to make a splash. So let your creativity sparkle and dive into the wonders of the sea with these delightful party accessories!
To keep the mermaid theme going, use these mermaid scale paper plates and paper mermaid cups.
Or if you want to have a more subtle ocean theme, try these toned down clam shell shaped plates.
Need a mermaid cake topper? Try these mermaid themed toppers. They’re perfect for cakes or cupcakes and keep the party sparkling!
Games & Activities
It's always a challenge to keep kids entertained, especially when you're hosting a group of little ones for a party. Thankfully, we've discovered a fun solution that's sure to delight every child - mermaid themed coloring pages!
As soon as our guests arrive, we hand out these whimsical pages and watch as their imaginations take flight, coloring in tails, scales, and seashells galore. It's a perfect way to pass the time while waiting for everyone to arrive, and it adds an extra element of magic to any party. We couldn't recommend it enough!
These mermaid coloring pages are so cute and you can even add some sequins to really give them that fish scale look!
Older girls will love making these mermaid sequin notebooks. They double as both a fun party activity and a party favor.
Mermaid Party Food Ideas
There are plenty of creative and colorful options that will make your guests feel like they've been transported to an undersea world. We've outlined a few of our fravorites below.
If you’re the DIY type, you can make these simple and adorable clams shell cookies with just a few ingredients and some time.
Wow the kids with these mermaid fish sticks topped with the prettiest mermaid mayo you’ve ever seen!
Your kids won’t believe this sand pudding recipe is not only edible but super delicious. Make it ahead of time and serve it in some clear plastic cups with a fun little ocean themed pick.
Guests will think you spent a ton of money on a custom mermaid cake, but you’ll know this DIY mermaid cake is budget-friendly and easy since you start with a store-bought cake!
Is your little birthday girl not a traditional cake type of person? No problem. Serve these amazing mermaid ice cream shakes instead. None of your guests will even miss the cake!
Serve these super simple and adorable mini jello fish bowls that go perfectly with the mermaid party theme.
Mermaid Birthday Outfit
Make your little girls birthday extra special with a mermaid-themed party outfit! If you're looking for fun and unique ideas to dress up your birthday girl, we've got you covered.
With these fun and creative ideas, your little girl is sure to feel like the belle of the ball at her mermaid birthday party.
These mermaid leggings are too cute to pass up and are perfect for little girls.
Pair them with a custom birthday shirt, like this one, and your little girl will be the star of her mermaid birthday party.
For a dressier party, dress your little girl up in this adorable mermaid party dress.
With all the amazing mermaid party ideas out there, I’m sure you’ll be able to throw the perfect party your daughter will love!
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Sam is the crafter and founder of Simple Everyday Mom. She has been featured in Oprah Mag, Good Housekeeping, The Spruce Crafts, Country Living, The Bump and more. Read more.