Get ready to dip your tail in the best mermaid party ideas. Your little mermaids will enjoy mermaid party foods, mermaid games and activities as well as mermaid themed party favors.
Somewhere deep down, nearly every little girl wants to be a mermaid. This year for your daughter’s birthday party, consider throwing her the best mermaid-themed party around. We have 25 mermaid birthday party ideas that will help you create an unforgettable experience for your daughter and all of her friends. With so many ideas for food, crafts, activities, and favors, your little one will be sure to have the best day ever!
Let’s dive into these recipes, crafts, and DIYs to make your underwater-themed bash a party to remember.
Mermaid Birthday Party Cake Ideas
How stunning are these mermaid cupcakes? They’re absolutely gorgeous and are easier to make than you think. The cupcakes are made with a modified boxed cake mix recipe, so that cuts down a bit on prep time. They’re topped with a buttercream frosting, brown sugar “sand,” nonpareils, and mermaid tails and shells made out of fondant. | Baking Beauty
Here’s a mermaid cake made with a store-bought ice cream cake topped with lots of seafoam green whipped cream and decorated with chocolate seashells, pretty mermaid tails, sprinkles, and “sand” made out of graham cracker crumbs. | Courtney’s Sweets
Can you believe this easy mermaid cake was made with boxed cake mix, buttercream frosting, and edible slime? Use any cake mix you like and use the tutorial to make a pretty mermaid cake from start to finish in under 2 hours. The edible slime is used to create the blue swirl effect in the frosting. | Simplify Create Inspire
Learn how to make a mermaid scales cake for the party. This frosting technique is easy to do if you follow the tutorial, and it works for a mermaid party, ocean party, fish-themed party, and lots of other themes. | Sugar, Spice, and Glitter
This was my favorite way to eat cake growing up and mermaid ice cream cone cupcakes are so much fun! They look like a mermaid diving into the water and are so super easy to put together. Just mix up your favorite boxed cake mix, bake them in the cones, top with blue icing, and decorate with sprinkles and mermaid tails. | Eat Move Make
Mermaid Party Food Ideas
These easy-to-make clam cookies are perfect for a mermaid party. Made with only three ingredients (plus food coloring), you can whip these up in no time. | Frugal Coupon Living
Make a big splash with this mermaid honey lime fruit salad. It’s a great healthy option to offer. Use cookie cutters to cut the watermelon into mermaid tails, sharks, clamshells, etc., and fill in around it with cantaloupe, grapes, and blueberries. The honey lime drizzle right before serving really brings it up a notch. | Finding Zest
Drink up! This tropical mermaid punch is a beautiful blue color, like ocean water. It’s made with non-alcoholic pina colada mix, pineapple juice, lemonade, and a few other ingredients for a yummy tropical drink that’s perfect for any little mermaid. | Finding Zest
This mermaid water mocktail is another great drink option for the kids. It’s made with pineapple juice and Gatorade and looks beautiful layered in a clear glass. | Hawaii Travel with Kids
Make some mermaid popcorn for the party or to put in favor bags. Made with popcorn, candy melts, Skittles, sugar, and gumballs, it’s a sweet and salty combo that will really hit the spot. | Ruffles and Rain Boots
We’re in love with these mermaid donuts. You’ll love that they’re made with store-bought donuts that are just jazzed up with mermaid-colored frosting and décor. How genius is that? | Savvy Saving Couple
Mermaid Party Games and Activities for Kids
What’s your mermaid name? Set up this printable in a frame at the party, and let kids find out their mermaid names before the fun begins. They can call each other their mermaid names for the duration of the party! You could even get or make some mermaid-themed name tags for them to write their new names on. | Kiddy Charts
Kids love making slime, and this mermaid slime is sure to be a big hit. It doubles as a fun party craft and a beautiful favor for the kids to take home. Just provide some clear cups, cellophane bags, and ribbon to tie them up into a nice little package before the kids go home. | Crafts by Amanda
Let the kids make mermaid headbands to wear for the party. There’s a colorable version if you want to make it quick and easy or a template version that you can make by tracing and cutting the pieces from colored paper. Either way looks cute. | Simple Everyday Mom
Print out the templates so the kids can make mermaid tail bookmarks to save their place in their favorite mermaid stories. This is a fun craft that only takes a few minutes and would pair nicely with an inexpensive mermaid book as a favor. | Artsy Craftsy Mom
Mermaid Party Favors and Gift Ideas
Pamper yourself with these colorful mermaid bath bombs for kids. Use essential oils of your choosing for the scent. These are made with orange, lemon, grapefruit, and lime. Coconut essential oil is another great choice for mermaid-themed bath products. The mermaid sprinkles make the bath bombs look so pretty! | Buggy and Buddy
Make these fabulous mermaid wands for the kids to play with at the party and take home with them. They’ll pair beautifully with the mermaid headbands mentioned above! | Finding Zest
Did you know you can make confetti with your Cricut? This mermaid confetti will make a beautiful table scatter or a fun addition to your mermaid favors, such as the slime or the bath bombs. | Printable Crush
These mermaid soap tails are pretty, shimmery, and super easy to make. They’ll make great gifts for your party guests. Pair them with a bath bomb, like the ones mentioned above, for a cute little spa day gift. | Everyday Best
Turn Jolly Rancher candies into candy mermaid lollipops! It’s super simple to do with a mermaid tail mold and some lollipop sticks. | Big Family Blessings
This mermaid sugar scrub is so beautiful. Put it in small jars for the kiddos to take home and enjoy. This is great for a tween party with a mermaid theme, but it’s safe for kids of all ages. | The Soccer Mom Blog
Have you ever tried bath sprinkles? They fizz and dissolve much faster than bath bombs but still have the same pretty effect. Make a batch of these mermaid bath sprinkles to put in little jars. | Creative Green Living
Pair these gorgeous mermaid crayons with a coloring book for little ones. This is a fun way to reuse all those old broken crayons, and you get lots of shimmer and color in each one. | Nerdy Mamma
More Mermaid Birthday Party Ideas
Instead of mermaid hair, the birthday girl needs a tiara to make her feel extra-special. This DIY mermaid tiara is stunning. It’s made with starfish, seashells, sparkly pipe cleaners, and few other materials all added to a plastic tiara from the Dollar Store to create a beautiful DIY shell headband. | Creative Green Living
If you need a gift to take to a mermaid party, pair it with this cute free printable birthday card. | Kenarry
We hope you’ve enjoyed these mermaid birthday party ideas and that your little one’s big day is a splashing success!
More Party Ideas
I’ve not learned how to get my kids to stop growing. Because of this, it feels as though I am planning birthday parties all the time. Looking for more Birthday Party Ideas. We have them – parties for toddlers, for boys, for girls, for teens and more!
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Cheers to another year!
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