Mermaid Party Ideas: 50+ Ways to Make a Splash

This Splish Splash Mermaid Bash birthday party invitation is perfect for your little one's special day. Printable and instant download, it's easy to customize and send out to all of your friends and family.

This invitation for an under the sea themed mermaid party is girly, whimsical, and perfect for a girl all things pink and purple.

This is such a beautiful birthday party invitation for your little mermaid. It features a fun blue and pink color scheme with mermaid tails, pink seahorses, seashells, and more.

This invitation is perfect for a mermaid themed baby shower. I love the adorable sleeping baby mermaid, and glitter accents. Plus, it matches perfectly with many of the decoration ideas below.

A Little Mermaid is on the way! Get ready for a baby shower that's fit for a little princess with this adorable mermaid party invitation.

A crown for the guest of honor! This is a really fun and easy DIY project that is sure to make the guest of honor feel extra special. So grab some shells and get started.

Add a touch of glam to your party with these adorable DIY table numbers. I love how the tutorial shows how to simplify a detailed design to create an elegant, personal touch to your party tables.

Looking for a sweet and sparkly DIY project that's perfect for a mermaid party? This simple backdrop uses easy to find supplies and only costs a few dollars.

This decorating kit comes with everything you need to create a cute and sparkly table runner - including a fish net and the most adorable glitter cutouts.

Make your little one's birthday party extra special with a customized mermaid birthday banner. Made with durable vinyl, you can hang it up pretty much anywhere you want an extra pop of color.

Want a stunning decoration for your event? This balloon arch kit comes with all the balloons you need to create a giant centerpiece that is sure to impress everyone.

Intimidated by the idea of creating a balloon arch? Check out my DIY balloon arch tips for beginners!

This party garland is so much fun! The simple design makes it super versatile, too. Hang yours up behind your selfie station or buffet table, turn them into doorway curtains, or even use them as table runners. The possibilities are nearly endless.

Make your party decorations POP with this Mermaid tissue Pom Pom decorating kit. It includes everything you need to make beautiful tissue pom pops in mermaid colors.

Thinking about making your own? Learn everything you need to know about how to make tissue pom poms (and when to buy instead).

Tired of mermaid tail overload in your decorations? Keep things simple with this adorable "Under the Sea" glitter banner. Customize your own banner, or order the whole kit with the balloons and fishnet.

These beautiful blue and purple seashells can be used for centerpieces or scattered around the room for a small touch with big impact.

These cute sea creature fruit cup toppers are just what you need for an easy way to add style and pizzazz to your next party buffet.

The bright blue background and pink floral accents of this printable set make them a pretty and unique choice for your mermaid party.

Full of aquas, purples, and a little bit of pinks, this art print would be a special addition to a mermaid themed baby shower that can be framed as nursery decor when the party is over.

This printable mermaid sign is perfect for hanging above the dessert table or anywhere you want to add some extra mermaid magic. (Also, who can resist an adorable pun like that?)

These are just the cutest chip bags! And they're not just for chips. You can fill them with small toys, candies or even homemade cookies.

This printable watercolor banner is perfect for adding some fun and whimsy to your celebration. It's easy to download and print at home and makes any birthday party instantly special.

How cute is this “take a shellfie” sign? The glittery letters and coordinating mermaid tail are perfect for any party under the sea.

Attach these bright and colorful tags to your party favors or goodie bags for a cute way to say "Thank You."

These printable watercolor mermaid food labels perfectly coordinate with the banner above, and are an adorable way to dress up your buffet.

Mermaid munch popcorn mix combines sweet and salty ingredients for the perfect 10-minute treat that feeds a whole crowd of kids.

The gorgeous green color of the Tipsy Mermaid drink isn't the only reason this cocktail is perfect for mermaid parties. This easy party drink is a light and fizzy rum punch that is full of tropical flavors, making it a refreshing summer sipper.

Swap out the rainbow sprinkles for a mermaid mix and this giant stacked layer cake becomes a sweet, gooey way to celebrate a special birthday.

Mermaid Puppy Chow Recipe is so pretty. I love all the different colors, and the sparkle from the sprinkles on top.

With that gorgeous ombre frosting and plenty of chocolate mermaid tails, this DIY Mermaid Tail cake is sure to make a splash at your party. Step up your next birthday party with this do-it-yourself Mermaid Tail Cake!

Fruit salad is a healthy and colorful addition to any party menu, and the addition of adorable watermelon slices cut into mermaid tails, dolphins, and other beach shapes will definitely make a splash.

Marbled in mermaid pinks, blues, and greens these macarons will be a delicious addition to your dessert table. And you can even make your own with this step by step video tutorial.

We checked out a LOT of mermaid cupcake recipes, and it was so hard to choose a favorite. But these cupcakes won our hearts with their simple but gorgeous curved mermaid tails and seashell accents. You could even use the candy making technique to spruce up store bought cupcakes.

These beautiful jello mousse cups are a fantastic choice for elegant baby showers and whimsical birthday parties. Best of all, they're super easy to make!

This simple, but stunning treat is made with swirls of raspberry fudge in mermaid colors and topped with the cutest mermaid sprinkles. How could you go wrong?

How can you resist these sparkly treats? Make these boozy grape-flavored jello shots for an adults-only party, or adapt it without booze for the kids.

Your guests will be so impressed when they find out you made these gorgeous starfish cookies.

WOW!! This stunning Mermaid Freakshake is for my over-the-top mamas out there.

Learn how to turn store bought cookies into the cutest little clam shells for your dessert buffet.

Chocolate dipped Rice Krispie treats are taken to a whole new level with these sparkly Mermaid Tail Krispie Treats.

If you're looking for a grab-and-go option for your baby shower, this set of mermaid themed games cards will be fun for everyone. The set comes with 25 sets of 4 different games, making your plans super simple.

Sparkly blue mermaid is a hit with all the kids. And with a slime making station at your party, you can double up a party activity with a party favor.

Don't forget to add your slime station sign and tags, too.

Keep the messy fun going with these cute DIY painted seashells. They're a great activity for the start of the party while guests arrive. Then you can let them dry while enjoying more mermaid fun.

I'm a big fan of having a quiet space or reading nook at parties...especially parties with toddlers. You can raid your own book collection, or keep the theme going with these mermaid themed books.

Let all the little mermaids have swimmingly good craft time while making a cute fun toilet paper tube mermaid craft.

This collection of free printable mermaid coloring pages is a cute and fun way to offer a quiet activity for all your mermaid fans.

Treasure hunts are such a fun activity to do with kids. And with these cute mermaid themed cards, you can even customize your clues and riddles.

Let the kids channel their inner mermaid princess and create their very own mermaid wand.

Send your guests home with fizzing mermaid bath bombs so they can enjoy a little bit of the ocean in their next bath.

Little girls that love Ariel and Disney's Little Mermaid are going to go gaga over these adorable mermaid crowns. And with the printable file, they're so easy to make, too.

There's nothing more adorable than sending kids home with their very own mermaid tail. This tutorial shows how to make a simple version that the kids can even wear over their clothes during the party.

I've never met a little kid that didn't love bubbles, which makes these easy bubble wand favors the perfect choice for them.

Adding a touch of mermaid magic to your party is easy with these glittery crayons in the shape of mermaid tails. These fun favors are a great way to keep the mermaid fun going even after the party is over.

Scented mermaid soap are so pretty, and smell amazing. Best of all, these favors are completely done for you. All you have to do is put them out on the tables.

If you're looking for a way to send your guests home with some sparkle, look no further than these glittery mermaid lollipops. Each lollipop is decorated with sparkly ocean themed decorations, making them perfect for any mermaid celebration. Plus, they come in a variety of delicious flavors, so everyone is sure to love them.

Planning a last minute mermaid birthday party? I pulled this simple party together while 8 months pregnant and in just a few short weeks. It’s full of easy ideas for mermaid centerpieces, snacks and food for kids. I also share 5 of my best tips for planning a party when you're crunched for time.

If you have a daughter that loves Ariel, this is the party for you. The decorations and party food have just enough of Ariel to make everyone happy without being overdone.

This is such a fun theme when you know you'll have both boys and girls present. I love that she included fun games like "walk the plank" and Pirate Hoopla.

This is the perfect mermaid party for a baby shower or for a little girl who loves everything soft and sparkly. I love how inexpensive balloons were used to create and over-the-top look to this party without breaking the bank.