We’ve rounded up the 21 best mermaid party games and activities for your upcoming mermaid or under the sea party. If you want fantastic entertainment for your little guests, don’t miss this!

We’ve got ideas for crafts, party activities, games, entertainment ideas, photo opportunities, and more!
And we’ve also got gorgeous mermaid party food ideas, like mermaid cakes, cupcakes, and cookies, and amazing mermaid party ideas.
Plus, if you’re looking to style your party without spending a lot of money, download our free mermaid birthday printables and free vintage mermaid birthday printables. Download, print, cut out, and style.
Below, you’ll find inspiration for mermaid face painting, mermaid jewelry kits, a mermaid treasure hunt, mermaid photo booth props to name just a few.
21 Amazing Mermaid Party Games and Activities!
1: Mermaid Sleepover
Let’s start off with the ultimate mermaid party activity every single girl dreams of… a mermaid-themed sleepover!
There’s nothing more exciting than having your closest friends over for a night filled with late-night chats, pampering, dancing, snacks, bubbles, a movie, and lots and lots of laughs.
Kids are yearning to get back together with their friends so a sleepover will be a dream come true!

2: Mermaid Painting Activity
Kids are going to have so much fun with this art activity!
Create an art station with mermaid canvases, paints, and brushes.
This gives your guests a great party activity and wonderful party favors that they will get to go home with them.

3: Pin the Tail on the Mermaid
Here’s one of our favorite fun mermaid party games. How about a go at the classic ‘”Pin the Tail”?
Kids are going to have a blast trying to pin the mermaid tail in the right spot.
Place a blindfold on the child, and have them pin (or tape) the tails onto the mermaid.
Whoever gets closest wins a prize

4: Mermaid Jewelry Kit
These mermaid jewelry kits are perfect for young ladies that love some bling!
The kit comes with glass pearls, crystals, and tiny seed beads. It also comes with some easy to clip on (and swap around) charms, such as a silver mermaid charm, a mermaid scales charm, a silver starfish, and shell charms.
The kit makes three different types of bracelets – an adjustable friendship one, a stretchy one, and a festival-style ribbon wristband. It also includes a ribbon necklace.

5: Mermaid Peg Doll
Check out this awesome treasure hunt-style challenge. Kids search for the mermaid tail, overlay, and seashell accessories.
Once they have been found them, they can then use the glue dots to turn their wooden peg doll into a mermaid.

6: Mermaid Entertainer
Kids will be blown away by a visit of a “real life” mermaid, which is why an entertainer is always a safe bet.
Younger children will be in awe, spending an afternoon with a mermaid who will do fun activities with them, and tell them all about her under the sea adventures.

7: Mermaid Embroidery Kit
You don’t want to miss this next gorgeous mermaid craft that will keep your party guests entertained and that that doubles as an awesome mermiad party favor.
A mermaid embroidery kit is a wonderful DIY craft that will keep your guests busy while they work on a stunning piece of art to hang on their walls.
All they need to do is follow the stitching & color guides to easily create a beautiful embroidery piece of art!

8: Mermaid Bingo
A simple game of bingo is such a fun mermaid party activity.
Hand out the cards to each player with markers (shells would be a fun marker for a mermaid party) and have them place one each time a square is called.
The first child to make a line of 5 items (diagonal, horizontal, or vertical) yells out BINGO and wins the game!

9: Mermaid Face Painting
Make each one of your guests feel like a little mermaid with a gorgeous mermaid face painting.
You can either paint your guests yourself with some face paints if you have the skills. If not, hire a face painter to come over and magically transform each little girl into a beautiful mermaid.

10: Mermaid Photo Booth Backdrop
Balloon garlands and pretty backdrops not only look amazing as a party decoration, but they are also a fabulous backdrop for a mermaid photo booth.
Have children pose in front of the coral reef backdrop, while you snap away and take a bunch of photos.

11: Mermaid Treasure Hunt
A mermaid treasure hunt is a fun party activity that is great to keep your guests busy.
You can set it up either in or outdoors, and have your guests frantically search for under the sea items off their lists.

12: What’s Your Mermaid Name?
Place a ‘What’s Your Mermaid Name?’ poster on the wall or in a frame at your party, and have your guests try and figure out what their mermaid name is.
It’s a magical activity that will make the girls feel special.

13: Color Your Own Doll-Mermaid
Treat your guests to a mermaid doll that they can color in themselves and take home.
Have them color their doll with some washable markers so they can be washed and used again and again.

14: Mermaid Painting Kit
Another fantastic mermaid craft is this painting kit that will entertain kids for hours.
This mermaid painting kit includes 5 fun wooden under the sea shapes to paint.
The kit also includes 6 paint pots filled with washable paint and 2 paintbrushes.

15: DIY Jewelry Treasure Chests
Have your guests decorate their very own treasure chests with stick-on rhinestones gems.
The treasure chests are wonderful for storing a bunch of little treasures like pretty bracelets or hair clips.

16: Aquarium on Wheels
How about offering your guests an awesome dream experience of an aquarium truck that comes to your house?
Aquarium on Wheels allows everyone to experience some ocean-themed games, an interactive lesson about ocean animals, and/or animal artifact exploration.
Kids are going to love it and remember it forever!

17: Sand Art
Sand art is such a fun activity for a mermaid party.
Set out jars of colored sand for your guests to layer into empty jars to create colorful patterns.
These make wonderful keepsakes for your guests to take home.

18: Mermaid Pool Party
Throwing a pool party is the ultimate mermaid party activity, don’t you think?
The girls are going to love splashing around and cooling off.
Decorate your pool with a bunch of mermaid inflatables, and let your little mermaids swim away to their hearts’ content.

19: Mermaid Photo Booth Props
We all know that girls have a natural talent to pose, and love having their photos taken.
Get a fabulous set of mermaid photo booth props and let them fool around while you take a bunch of snaps.

20: Octopus Bean Bag Toss
Kids, have so much fun tossing a bean bag so how about treating all your little kids to a fun game of octopus bean bag toss?
Paint an octopus (or any other sea creature) onto a cardboard box and cut a hole in the mouth. Make some bean bag shells out of felt and let each child have a go at tossing one into the octopuses mouth.

21: DIY Under the Sea Dream Catcher Kit
To finish off our list, we have this creative DIY under the sea dream catcher kit.
Your guests are so going to enjoy creating gorgeous dream catchers that they can take home with them and place on their wall.

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Our 5 Most Beautiful Mermaid Birthday Party Ideas
Now that you have a bunch of fun ideas for mermaid games and party activities check out our 45 Ideas for Throwing the Ultimate Mermaid Under the Sea Birthday Party!
1: Penelope’s Under The Sea
Take a look at this dazzling dessert table that takes you deep into the ocean.
The gorgeous sparkly sequin backdrop is so girly, as is the beautiful balloon garland, and under the sea party decorations.

2: First Birthday Mermaid
If you’re looking for something a little different from the previous suggestion, take a look at this next mermaid party.
It has the most amazing, almost transparent white balloon party decorations that give you the feeling that you’re at the bottom of the ocean.
Love the Illustrated mermaid backdrop and the pretty pastel colors.

3: Kaylee’s Pastel Mermaid Birthday Party
This next birthday celebration is so exquisite. The balloon garland framing the dessert table it’s so beautiful.
Love the delicate blue tulle table skirt and floral decorations.

4: Chloe Mermaid Sleepover Party
Who can resist a wonderful sleepover with close friends? It’s a lovely way to celebrate a birthday and make treasured memories.
The seashell cushions are so pretty and make a fabulous mermaid-themed party favor!

5: Boho Mermaid Birthday Party
Boho picnics are popping up all over the place and are definitely a trend!
So how about mixing both trends and throwing a boho picnic mermaid-themed party!
The mermaid tail balloon decorations will blow you away.

Need more mermaid party ideas?
- 13 Gorgeous Mermaid Party Food Ideas
- Mermaid Baby Shower Ideas and Party Supplies
- Mermaid Party Desserts
- 10 Amazing Mermaid Party Ideas
Need mermaid party printables?
For more inspiration, check out all the awesome mermaid parties on our site!
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