Find the best mermaid birthday party ideas here! I have scoured the internet to find fun and unique mermaid party must-haves. Find the best mermaid birthday outfit, mermaid birthday invitations, mermaid birthday decorations and so much more. Leave me a comment with your favorite mermaid birthday theme ideas.
Mermaid Birthday Party Ideas
If you love our mermaid birthday party ideas, check out these party themes!
Mermaid Party Favors
These adorable clamshell lollipops come in a variety of colors and flavors. Each lollipop comes with a faux pearl stick to make it truly beautiful.
I am in love with these stunning mermaid bookmarks. They would be perfect for a mermaid birthday gift or sent home as a party favor.
Description is required.Make up a bunch of these magic mermaid necklaces before the party, and guests can each take one home with them.
Make bathtime fun by sending guests home with some DIY mermaid bath bombs. The teal and glitter in these bombs are sure to go with your other mermaid birthday party ideas.
Send these fun mermaid scare bracelet tattoos home in a mermaid goody bag. It's a party gift any child would love to receive.
Mermaid Birthday Theme Desserts
This fun and colorful cake can be made at home! Customize the colors of the cake to match your color theme.
These mermaid jello cups can be made alcoholic for an adult party, or scroll down on the post and find the non-alcoholic alternative!
Nothing is better on a hot party day than a nice cold treat to cool down with. These mermaid pudding pops are so fun and colorful, and refreshing at the same time!
Learn how to make these cute mermaid tail cookies! They would look adorable with your other mermaid birthday party ideas.
All the kids will go crazy over how cute these mermaid tail cupcakes are! Sprinkles, frosting, and a colorful mermaid tail make these cupcakes shine.
.Learn how to make mermaid tails from fondant or chocolate with a mermaid tail tutorial.
If you want an Ariel mermaid party, you may want to try out these fun dinglehopper cupcakes! Sea shells and a fork are the focus of the color-filled cupcakes.
If baking isn't your thing, try out this easy mermaid cake! This colorful cake is cute but still an easy alternative to the more complex alternatives
Mermaid Birthday Outfit Ideas
This cute shirt has so many customizations available! Choose from a variety of shirt sizes, and add a custom number, name, and design on the back of the shirt.
This stunning mermaid tutu dress comes in sizes 9 months to girls size 6. Since it is made to order, you can make changes to colors and style options.
How cute is this first birthday mermaid outfit! This seller also has additional mermaid outfits for other ages as well. I just love all the glitter and shimmer. Plus you can purchase each piece separately if you don't want the whole outfit.
This mermaid crown will look so adorable in your party photos. This stone-looking crown is made from ribbon and film so it is not overly heavy.
Heads will turn when your little one wears this mermaid tail dress. This over-the-top dress has a gold seashell applique and a holographic fishtail tutu.
Select from a variety of mermaid shirt styles and customize the back of this cute shirt with your child's name and age.
Mermaid Birthday Invitations & Thank You Cards
Let everyone know where the party is at, with this mermaid scale custom birthday invitation! Choose from 1-10 for this invitation, and then you can edit your child's name on the download.
Edit this splish splash invitation at home, and then print it off! Customize the invite with your mermaid birthday theme details.
After you have had the best-ever mermaid party, you will want to thank all the party guests with this free printable mermaid thank you card.
Leave the hassle to the professionals and get these rose gold foil mermaid birthday invitations.
Planning a budget-friendly birthday party? Then you need free mermaid birthday invitations. This invite is free to print, there is a space at the bottom of the invite to write all your party information.
Mermaid Birthday Decorations
I think a cake is the best part of any party! Make it a show-stopper with the perfect cake topper. I am in love with this glittery mermaid birthday theme cake topper.
This free printable doubles as both straw toppers and cupcake toppers! Simply add to a straw with some tape or add to a toothpick for a cupcake topper.
This bubble garland makes you feel like you are swimming in the ocean with the mermaids! Hang it up over your dessert table or as a photo backdrop.
Print out this free happy birthday banner or write a custom message using the alphabet banner pieces that come with the download.
Say happy birthday with pastel mermaid birthday decorations! This banner is easy to set up and looks stunning at your party.
Simply print and tape this free water bottle label around your favorite water bottles. And kids love those water flavor squeeze bottles, for a little flavor in their water.
I love the glittery pastel vibes of these plates, napkins, and cups.
Get our entire set of mermaid birthday party printables all in one place! This set includes decorations, games, invites, thank you cards, activities, and more!
Mermaid Birthday Theme Activities & Games
Escape rooms are in to stay! Bring a whole lot of fun to your mermaid birthday theme party with this escape room game.
Pin the smile on the mermaid is a twist of pin the tail on the donkey. This free printable game comes with a full-sized poster or a computer printer version that you can print and assemble at home!
For everyone out there looking for mermaid birthday party ideas, you will want to check out this mermaid make-up station. Kids (or adults) can use the make-up provided to make themselves into a mermaid for the day!
This under the sea bingo game has enough bingo cards for 20 players. Use candies or bingo chips to mark your bingo card.
I am in love with how adorable the mermaid coloring pages are! This free download includes 5 mermaid coloring pages. Plus you can also receive free unicorn coloring pages.
Kids love slime! So why not make it into a mermaid birthday theme activity? Each kid can make up a batch of slime and then take it home as a party favor.
A free printable template allows you to create a cheap party activity. Each child can create a stunning mermaid crown and it is easy enough to plan ahead and have the supplies sitting out on a table.
Print up a bunch of these mermaid word searches and have kids race to see who can finish first, or have them as a calming activity on a table, for those kids that need a break from all the excitement.
.Get 10 free printable mermaid coloring pages! Set out a table at the party with some crayons, markers, and these coloring sheets!
Let the party guests get a little creative while making some ariel paper dolls! Or make up a bunch of these and use them as a party banner
I can't get over how cute these little mermaids are! You will want to save up some of your empty toilet paper rolls for this craft.
Mermaid Food & Drink Ideas
These fish sandwiches with mermaid mayo are a truly unique mermaid experience! This MerMayo can also be used on other foods if fish isn't a favorite of the birthday child.
Bring in the ocean theme to your mermaid party with this fun fruit bowl. You could also get a mermaid cookie cutter and add mermaid melons to your fruit.
Ditch with store-bought treats for some homemade goldfish crackers. These allergy-free fish treats will look adorable on your mermaid-themed food table.
This twist on the classic puppy chow will bring some color to your mermaid treat table. It even includes some chocolate pearls.
Dip fruit, crackers, cookies, and more into the mermaid dip. It's fun and colorful and who doesn't love all the sprinkles?
This sweet and fruity non-alcoholic drink is sure to quest party guest thirst. Garnish this blue drink with lemon and maraschino cherries.
If you Loved These Mermaid Party Ideas, Check Out These Posts!
**WANT TO PIN THE MERMAID BIRTHDAY PARTY IDEAS FOR LATER? CLICK ON THE PIN BELOW TO SAVE THESE MERMAID BIRTHDAY OUTFIT, MERMAID BIRTHDAY DECORATIONS & MERMAID BIRTHDAY INVITATIONS TO YOUR FAVORITE KID’S BIRTHDAY PARTY BOARD ON PINTEREST. ***

JOIN THE DISCUSSION! WHAT IS YOUR BEST CHILDHOOD MEMORY?
If you loved the mermaid birthday theme ideas, I’d love for you to leave a comment and review!
Don’t miss a post! Subscribe today and receive updates on new posts, and bonus party ideas and recipes! Follow along on Instagram, Facebook, for party inspiration and mom tips, or see what I’m loving on Pinterest! Want to connect with a great group of moms? Join our Facebook Group.