Mermaids are right up there with unicorns and princesses on the list of classic girl birthday themes. If you're scrambling to make your little one's under-the-sea dreams come true, we have the perfect planning kit just for you!
Keep reading for the best mermaid birthday party cake, decor, food, games, favors, and more!
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INVITATIONS
Make a splash and start the celebration with the perfect invitation!
We've caught the best mermaid birthday party invitations, with options to print yourself, or to order pre-printed.
If you prefer ordering pre-printed invitations, EstablishedCoGifts can have these
Under the Sea Invitations mailed right to your door!
Order them in print, or purchase a digital copy to print yourself.
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CAKE
No birthday is complete without cake!
Below you'll find some incredible creations to inspire your local baker, as well as delicious designs you can recreate at home.
No matter your level of baking comfort, keep scrolling for inspiration!
These fancy fish creations can inspire your local baker!
Bring these designs to life in your own home kitchen with full tutorials!
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DECOR
Transform your party space into a deep sea wonderland with these fun and creative mermaid birthday party decor ideas!
Whether you're a DIY master or prefer store-bought, we have the perfect picks for you.
Keep scrolling!
We love this creative idea!
Get creative with those traditional decorating supplies -
turn streamers into seaweed and clear balloons into bubbles!
You can choose from several sizes through PalmtoPineDesign on Etsy.
You can take your standard party balloons to the next level with a little help from HappyPartySupply on Etsy.
Simply Allie has lots of fantastic decor ideas - so many she created a video!
KitchenDoor offers this cute mermaid decor package on Etsy.
Choose your customized combo of balloons, netting, and wording delivered right to your door!
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OUTFITS
Make sure your little mermaid looks the part with these mermaid birthday party outfits we've created just for the occasion!

Customize this simple mermaid birthday girl shirt with your child's age, and even change the colors!

Deck the whole family out to match for the party!
This matching family mermaid birthday shirt set can be customized with any colors, names, and sizes.
Check out this fun design in our shop!

Your little one will love this mermaid tutu set!
The top is available with or without the accessories, and you can customize it with any age.

This is another style similar to the one above, but with your little one's name added!
This mermaid tutu set is available in our shop!
Go check it out!
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FOOD
Every party needs some great snacks.
Feed your deep sea crew with these awesome mermaid birthday party food ideas!
Fill these adorable
Crabwiches with any filling you like: meat and cheese, PB&J, chicken or egg or tuna salad...the possibilities are endless!
Click for the recipe!
Add a pop of color to your sweet treats with the recipe from MomDot.
Muddy buddies/puppy chow is a kid classic.
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GAMES
Wrangle some mermaid energy with these fun party games to keep your guests busy!
365 Day of Crafts offers a full tutorial.
Customize it to your space to build your own treasure hunt adventure.
Have your guests
decorate treasure boxes with paint, stickers, jewels, and more, and then take them home as party favors!
You can even fill them with chocolate coins or wrapped candies as treasure.
You can't go wrong with slime!
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FAVORS
Every party needs a good take-home gift to continue the celebration!
We're gathered some fantastic mermaid birthday party favor ideas just for you.
Tie back some mermaid hair with these bright
Mermaid Hair Ties from TheBohoGlam on Etsy.
Add your child's name and a special note to the label!
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PRINTABLE
You have all the ideas now for the perfect birthday party, but you still need to keep track of them all and make sure it all gets done! Don't worry, we've covered that too; check out our FREE PRINTABLE party planning checklist just for you!
Click below to get your copy!
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Thanks for reading! We hope your party is a mermaid fairy-tail!
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