20 Splashy Under The Sea Crafts for Kids to Make

However, pulling all the details together can be a little stressful. Check out my DIY coral reef and under the sea decorations to pull off a beautiful ocean theme with less guesswork.

I have a tutorial for making a large coral reef to serve as a backdrop or fill a corner of a room or a tabletop coral reef that matches my mermaid party printable set.

My printable mermaid party set, which also works for the more general under the sea theme, has cupcake liners, invitations, banners, and more!

If you are just here for the craft ideas, you are in luck! I’ve collected some really fun and easy ocean-themed projects.

Help kids get a jump on ocean exploration with these under the sea crafts for kids this summer!

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20 Under the Sea Crafts

1- Printable Fish Template by Press Print Party

This one is so easy. Make a school of fish with little time and effort with my printable fish template. Your kids will love cutting out the fish and decorating your home with a Technicolor school of fish.

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2- Free Printable Blue Whale Craft by Mama Likes This

This free printable blue whale craft is super simple and great for younger kids. You can give them an opportunity to practice fine motor skills by cutting out the whale or you can cut ahead of time. Then, they can customize an ocean-colored background to make this fun activity their own.

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3- Paper Plate Fish Craft by Honey & Lime

This paper plate fish craft is a fun activity for teaching elementary students about different types of fish! Honey & Lime provides step-by-step instructions so you can ace this fish pattern without a template.

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4- Foam Ocean Animal Pencil Toppers  by Homan at Home

This is such a fun little idea! Use colorful foam and the free printable templates provided to make cute sea creature foam pencil toppers. This would be a cool craft for summer camps.

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5- Jellyfish Salt Painting by Taming Little Monsters

Salt painting is an interesting method of making art. The flowing colors are perfect for this jellyfish, and the free template makes this under-the-sea craft a snap to set up. You won’t even need a special craft glue for this project! It’s so simple and turns out great.

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6- Paper Plate Whale by In the Playroom

This paper plate whale serves as a great activity and fodder for those little imaginations. Is your little ocean explorer ready for a sea adventure with a giant whale?

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7- Flexible Paper Fish by Crafts and Printables

These moving fish are such a neat little idea. Using different-colored construction paper means that the design possibilities are nearly endless. Crafts and Printables provides an easy tutorial for building your own flexible fish.

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8- Chompin’ Foam Shark Puppet by The Soccer Mom Blog

Your kids are going to love this shark puppet. Craft sticks allow kids to easily move the shark’s mouth. Your kids will spend hours pretending to gobble up everything and everyone.

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9- Paper Fan Pufferfish Craft by Kids Craft Room

What’s better than paper plate pufferfish crafts? These fan pufferfish! This craft is best suited for older kids who can follow instructions for folding and gluing construction paper.

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10- Octopus Handprint Craft by Simple Everyday Mom

Looking for an easy paper octopus craft? These handprint octopi are so cute. The free template can help you craft the adorable eyes and the face.

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11- Sea Animal Coffee Filter Suncatcher by A Little Pinch of Perfect

This is the perfect craft for kids of all ages. Kids will love making these multicolored suncatchers, and adding the free printable sea creatures to the middle is the perfect touch.

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12- Puffer Fish Craft by The Best Ideas for Kids

Looking for easy ocean crafts? Check out this adorable pufferfish that requires super simple supplies. Who would have thought that an old toilet paper roll could produce such a cute fish?! You can easily change the mouth design to make several expressions. Both younger and older children will enjoy this craft.

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13- Ocean Paper Craft by Messy Little Monster

Cute. Cute. Cute. This under the sea craft lets kids design their own deep-blue ocean scene. The free template means only easy steps are needed for this project. This would be a lot of fun for littles who need cutting practice.

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14- Paper Plate Fish Craft – Rainbow Paper Circles by Easy Peasy and Fun

Kids love punching out shapes, so preparing the circles will be easy. You can also add some tin foil circles to create Rainbow Fish from the children’s book by Marcus Pfister.

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15- Starfish Texture Art by Fireflies & Mud Pies

The free template and simple tutorial make these fun ocean crafts super easy. Kids will love coloring over different textures to see the results.

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16- Paper Plate Octopus Streamer Craft by Our Kid Things

This easy paper octopus craft is great for doing inside when it’s too hot to go out, or for doing outside in the cool mornings. This is a great project for letting your kids experiment with paint colors and practice brushstrokes.

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17- 3D Swimming Paper Shark Craft by Arty Crafty Kids

Kids tend to love sharks, especially if they haven’t been taught to be afraid of them yet. And this 3D swimming shark will be a favorite decoration when it’s done. Is it just me or do you hear, “The name’s Bruce,” when you look at this craft?

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18- Paper Bag Jellyfish Craft by Two Kids and a Coupon

This jellyfish craft invites kids to explore watercolor painting on white paper bags. Black Sharpie or any black marker will help you make the perfect little smile.

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19- Rainbow Fish Craft by Little Ladoo

The beloved children’s story “The Rainbow Fish” is the perfect subject for an under the sea craft idea. This brightly colored cutie will not disappoint.

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20- Toilet Paper Shark by Artsy Crafty Mom

Use a toilet paper roll and the printable template to make this adorable shark. The little fish that you can reel into the shark’s mouth are too funny! The Shark Week enthusiast in your house would love this craft.

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Did you find any DIY ocean crafts you want to do with your kids? Let me know in the comment section how they turn out!