Play Ideas

Where play and imagination meet!

  • Home
  • About
  • Kid’s Activities
    • Science
    • Math
    • Social Studies
  • Kid’s Crafts
  • Food and Drink
  • Printables
  • Holidays
    • Valentine’s Day
    • Easter
    • Mother’s Day
    • Fourth of July
    • Halloween
    • Christmas

25 Under The Sea Crafts for Kids

April 13, 2022 Mary Malcolm

15.2K shares

Kids love exploring the ocean – the waves, the fish, the sand, the whales, the mermaids! That’s why these under the sea crafts are perfect for making memories with your little ones this summer! The best part: you can pin and make these all in your home!

25 Under the Sea Crafts for Kids
Explore the sea with these fun crafts!

Whether you go to the beach this summer or not, these under-the-sea crafts are sure to please your kiddos!

Super Cool Under The Sea Crafts for Kids

1. Adorable Starfish Made Out of Baking Soda

Kids of all ages are always amazed by starfish. Help your little one create to make in the comfort of your home! This starfish craft by Hometalk is pretty enough to frame, and believe it or not – it’s made using baking soda. Easy peasy!

baking soda star fish, Under the Sea Crafts for Kids
This beautiful starfish is made out of baking soda! Awesome!

2. Make Mermaids from Clothes Peg

Does your kiddo love mermaids? This craft by Red Ted Art is perfect to make with them! How adorable are these clothes peg mermaid templates? Your littles will love playing with them for hours!

clothes peg mermaids, Under the Sea Crafts for Kids
Your little one can make these super easy mermaid crafts!

3. Cute and Easy to Make Coffee Filter Jellyfish

If you have lots of coffee filters in the house, you and your kiddo can make an awesome under the sea craft out of them! This coffee filter jellyfish craft ideas by Happy Hooligans is floaty, colorful fun, and so easy to make!

coffee filter jelly fish, Under the Sea Crafts for Kids
Make this super easy jellyfish craft and let the fun begin!

4. Adorable Paper Plate Octopus

Grab some paper plates and ribbons and let your kiddo make this adorable octopus craft by Reading Confetti! Another great thing with this under the sea craft is that you can homeschool your little one by practicing how to count with its curly little tentacles!

counting octopus, Under the Sea Crafts for Kids
Make sure your octopus has 8 curly tentacles!

5. Colorful and Lovely Cup Cake Liners Fish

Your kiddo knows the fishes under the sea come in different colors. If you have cupcake liners, you can make this colorfully sweet fish craft or other sea creatures by 4 Crazy Kings! Your kids will surely have fun crafting this!

cupcake paper fish, Under the Sea Crafts for Kids
What other colors can you add to this fish?

6. Fabulous DIY Aquarium for Kids

Your little one will love having their very own “sea” at home. Help them build their own fantastical aquarium using this DYI sea sand idea from Paging Fun Mums! It would be fun to see a submarine inside, shh…

diy aqua sand, Under the Sea Crafts for Kids
Your kiddo will have a blast making their own aquarium!

7. Create Floating Turtles from Old Plastic Bottles

This floating turtle craft by Krokatak is super adorable! Help your kids make this from old plastic bottles! Don’t forget that secret slot on the turtle’s belly for storing all your children’s summer finds!

floating turtle
This super cute turtle can store stuff in its belly!

8. Awesome Footprints Made of Plaster and Sand

Make memories to last a lifetime with these footprints (unavailable) best ideas from Balancing Beauty and Bedlam! These sweeties are made out of plaster and sand, your kids will love making them with you!

footprints in the sand, Under the Sea Crafts for Kids
Capture those lovely little footprints with plaster and sand!

9. Paint a Pufferfish Using Fork

Pufferfish is one of the magical creatures under the sea! Toddlers can now paint one on their own! This pufferfish painting idea by Crafty Morning was made with a fork! How cool and easy is that?

fork puffer fish, Under the Sea Crafts for Kids
Let your kiddo paint his own pufferfish with a fork!

10. Precious Handprinted Mermaids

Some painting crafts are especially great for the younger ones, like this mermaid painting activity by Education. This fun handprint mermaid picture is a perfect way to save those precious little artsy craftsy kids handprints!

handprint mermaid, Under the Sea Crafts for Kids
Those little handprints make a beautiful mermaid!

11. Jumping Jellyfish Craft Idea Out of Styrofoam Balls

These jumping jellyfish crafts by Yesterday on Tuesday can’t wait to jump into your kiddo’s under-the-sea adventure! Guess what? All they’ll need are creativity, glue, cute ribbons, and styrofoam balls or egg carton!

jumping jellyfish, Under the Sea Crafts for Kids
These super cute jellyfishes are ready to swim!

12. Paint a Colorful Marbled Seahorse

A seahorse is one of the most magical creatures under the sea. Help your kiddo create one their own! This marbled seahorse craft by I Heart Crafty Things is exactly what your child needs in their imagination tree bedroom window this summer!

marbled seahorse, Under the Sea Crafts for Kids
A magical marbled seahorse is perfect for your kids!

13. A Cute Shark Puppet with Dual Purpose

Want a craft that’ll double as an activity? This cutie shark craft by Dollar Store Crafts is for your little one! Make this shark puppet using an oven mitt and have fun playing with it!

oven mitt shark, Under the Sea Crafts for Kids
This baby shark will go doo-doo-doo with awesome fun!

14. Colorful Seashells Collection

Melted crayons are all your preschoolers will need to paint these seashells! Make your afternoon art time a blissful one with this arty crafty kids idea by The Artful Parent!

painted seashells, Under the Sea Crafts for Kids
Paint them all with melted crayon, little one!

15. Creative Paper Bag Jellyfish Crafts

Your kiddo might just love to save those lunch bags when you start to make these creative crafts by the Dollar Store Mom! Recycle leftover lunch bags into these floaty jellyfish and swim the fun away!

paper bag jelly fish, Under the Sea Crafts for Kids
Creative paper bag jellyfish craft is so easy for kids to make!

16. Realistic Starfish Art Project

Starfish is a very lovely under the sea creature! Your kiddo will love creating this super realistic art craft by Preschool Inspirations for sure! All you’ll need to make this sweet starfish is some plaster of paris and paint!

plaster sea star, Under the Sea Crafts for Kids
This cute starfish is so real your little one will love it!

17. Shiny Glittery Rainbow Fish

This shiny, happy rainbow fish art craft by Living Well Spending Less will look so lovely on your refrigerator this summer! Your kiddo will have a blast while adding shiny glitters to it!

rainbow fish, Under the Sea Crafts for Kids
This shining, shimmering, splendid rainbow fish will add fun to your day!

18. Awesome Sand Dough Sandcastles

If your family can’t go to the beach at the moment but your kids want to make sandcastles, this art idea by Meaningful Mama is for you! You don’t need a beach to make sandcastles, all you need is sand dough! Add bits of your little one’s seashells collection and voila! You’ll have the coolest sandcastle in town!

sand castle, Under the Sea Crafts for Kids
Make your own sandcastle even if you’re far from the beach!

19. Cute Seashell Crabs for Kids to Make

These cute little crab crafts by Yesterday on Tuesday will keep your kiddos busy and happy all afternoon! Grab some seashells, pipe cleaners, and glue, and let the crafting begin!

shell crabs, Under the Sea Crafts for Kids
These cute shell crabs are simply amazing!

20. Simple and Lovely Shell Necklace

Want some wearable art to remember your summertime fun? Your kiddo will fall in love with this shell necklace craft by Kids Activities Blog! Your little one can wear it any time of the year!

shell necklace, Under the Sea Crafts for Kids
This simple necklace holds many wonderful memories!

21. Colorful Paper Plate Fish

Creativity has no limits! This paper plate rainbow fish idea from Parenting Chaos is a fun open-ended activity! Take out all the art materials in the house and let your kiddos use them however they want! Kids will have a blast exploring colors and textures!

paper plate rainbow fish, Under the Sea Crafts for Kids
Help them create a fabulous under the sea creature!

22. Turn Styrofoam Cups into Fabulous Crabs

These styrofoam cup crabs are going to crab-walk into your children’s hearts! This is an art idea from Crafts by Amanda that shows recycling at its best!

styrofoam cup crabs, Under the Sea Crafts for Kids
Cute creepers made out of styrofoam cups and pipe cleaners!

23. No-Paint Rainbow Fish Art

Want to make crafty fish without the paint? Your little one will enjoy making this art craft from Homeschooling Mom 4 Two! The secret? Use tissue paper instead!

tissue paper fish, Under the Sea Crafts for Kids
These colorful fishes got their colors from tissue paper!

24. Cute Little Fishes from Toilet Paper Rolls

These toilet paper roll fish crafts by No Time For Flash Cards are a little bit of crazy, but a lot of fun to make! How many can your little one make?

toilet paper roll fish, Under the Sea Crafts for Kids
Make your afternoon more fun with these cute toilet paper roll fishes!

25. Creative Octopus Art Crafts

Recycled paper towel rolls are a great way to make these animated octopus crafts by Kids Activities Blog! Create and decorate them in your kiddo’s room!

toilet roll octopus, Under the Sea Crafts for Kids
These octopi say have a great day!

More Fun Under The Sea Crafts To Make from Play Ideas!

  • Build Spider Crafts, Sea Crafts – Make a sea shell, an octopus, an ocean plate, and more!
  • Making crafts with sea life is a fun way to explore the beauty and wildness of our nature. Take a look!
  • Prepare an autumn leaf craft with autumn leaves and a sea craft with seashells!
  • Learn and listen to the sea sound waves creating these wind chimes crafts for kids of all ages!
  • Learn how to make some fun crafts with rocks and seashells. Plus get creative with a craft that uses fish scales.
  • Sea fairies are featured in a variety of craft projects designed to help youngsters understand the ocean and its important functions in our planet’s ecosystem.
25 Under the Sea Crafts for Kids

Which under the sea craft is your kid’s favorite to create?

Kid's Crafts, summer crafts, ocean, summerc, under the sea

Search the site

25 Awesomely Red Crafts for Preschoolers

25 Whimsical Winter Snacks For Kids

14 Best Games To Play on FaceTime for Your Kids

totally tubular tmnt ideas

25 Totally Tubular Teenage Mutant Ninja Turtle Ideas for Kids

super cool pool noodle activities

25 Super Cool Pool Noodle Activities

13 Easy Art Activities For 3-Year-Olds

25 Brilliant Recycled CD Kid Crafts

pinecone crafts for kids

25 Pretty Pinecone Crafts for Preschoolers



Search

Categories

Copyright © 2025 · Privacy Policy