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19 SpongeBob SquarePants Birthday Party Ideas

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These SpongeBob SquarePants birthday party ideas will make your house more happening than Bikini Bottom

Everyone knows who lives in a pineapple under the sea. But could you throw a party themed after this SquarePants character? Sure!

SpongeBob Birthday party Ideas

 See Also

  • This Colorful Boy’s Under the Sea Bash is full of great ideas and inspiration for your next under the sea party.
  • You don’t want to miss this Under the Sea Baby Shower.

Party supplies and decorating ideas are abudant in this post. Serve up Patrick Star watermelon or Plankton Jell-O cups. DIY your own Plankton piñata or SpongeBob party bags.

And don’t forget to make your own pin the tie on SpongeBob game. There is so much inspiration to be found in the deep blue sea.

Patrick Starr Cookies

1. Patrick Star Cookies

From Heidi K., as seen on Catch My Party

Our first SpongeBob SquarePants party idea is a bit of a challenge, but only if you DIY it. If you’re not in the mood to get out your piping bag, why not take the design to your local bakery?

DIY Cupcake Hamburgers (Crabby Patties)

2. DIY Cupcake Hamburgers (Krabby Patties)

From Nerdy Nummies, as seen on Yahoo

These are technically Cupcake Hamburgers, but you definitely won’t have any crabby kids with these Krabby Patties on the table.

3. DIY Tissue Pineapples

From Frog Prince Paperie

These DIY Tissue Pineapples are a fun, easy way to bring the SpongeBob theme to life, and they’re really simple to make.

A cake made to look like a cup, with Party and Birthday

4. Plankton Jell-O Cups

From Aiden’s SpongeBob Party; as seen on Catch my Party

Aren’t these Plankton Jell-O Cups a fantastic idea? This grumpy little green character is a fun addition to your birthday spread, and the Jell-O cups are great to make ahead.

DIY Plankton Watermelon Fruit Bowl

5. DIY Plankton Watermelon Fruit Bowl

From SpongeBob

This DIY Plankton Watermelon Fruit Bowl is an awesome way to bring something a little bit healthier to the party.

Spongebob Cake

6. SpongeBob Cake

From Cake for Thought

If you have a little bit of extra time on your hands, then this intricate SpongeBob Cake is a great challenge. If not, it’s time to hit the bakery, photo in hand!

Pineapple Shaped Pizza

7. Pineapple Shaped Pizza

From Meowchie’s Hideout

This is a delicious DIY, and a tasty way to bring your SpongeBob theme into the food. It should be pretty easy to put together, and looks really impressive. Decorate with ham and pineapple if you dare.

DIY Spongebob Square Pants Napkin

8. DIY SpongeBob SquarePants Napkin

From Zolee’s Boutique, as seen on Catch My Party

This is a super cute way to add a little bit of SpongeBob flare to your table settings, and it’s a great DIY to do ahead of time.

9. Patrick Star Watermelon

From 9Gag

These Patrick Star Watermelon pieces are another great way to sneak some fruit into the party without anyone noticing.

A group of colorful blocks

10. SpongeBob Rice Krispy Treats

From Aggies Do It Better

These SpongeBob Rice Krispy Treats are pretty darn cute, and are a cinch to put together.

Coconut Bowling Game

11. Coconut Bowling Game

From Words From Home

If you haven’t decided on your entertainment yet, why not give this Coconut Bowling Game a try? It’s an easy DIY that will keep kids well entertained, and it would work well for all kinds of different themes.

Green Seaweed Sugar Ribbons

12. Green Seaweed Sugar Ribbons

From Boksomdaais

These Green Seaweed Sugar Ribbons wouldn’t look at all out of place in Bikini Bottom, but they’d look even better on your SpongeBob Party snack table.

Spongebob Party Ideas

13. Giant Plankton Piñata

From Krazzy Kids

I love having pinatas at birthday parties — they’re really easy to DIY, whatever your theme. Don’t you just love how mad this Giant Plankton Pinata looks?

Pineapple Cake Pops

14. Pineapple Cake Pops

From Leo & Bella, as seen on HWTM

These Pineapple Cake Pops look great, bringing a fun pop of bright lemon yellow to the snack table.

DIY Spongebob Party Bags

15. DIY SpongeBob Party Bags

From Jenn Fukikawa, as seen on Fandango

I love how simple these DIY SpongeBob Party Bags would be to make ahead, making your life a little easier the day of the party. Aren’t those big googly eyes adorable?

Spongebob Birthday Party

16. SpongeBob Birthday Party

From Little Sunshine PR, as seen on Catch My Party

There are so many fantastic SpongeBob SquarePants birthday party ideas here, I don’t quite know where to start. I think that the banner might be my favorite idea, but there’s some stiff competition.

Chum Bucket Utensil Holder

17. Chum Bucket Utensil Holder

From My Daylights

This is a great way to carry over your theme, but it’s also a clever way to keep your utensils tidy and organized. Win-win!

Bikini Bottom Photo Booth

18. Bikini Bottom Photo Booth

From Meowchie’s Hideout

I think that this might be the most original SpongeBob party idea on the list. It’s a bit of a challenge, but would be a great DIY party activity if you had the time.

Pin the Tie on Spongebob

19. Pin the Tie on SpongeBob

From Zolee’s Boutique, as seen on Catch My Party

Seeing as there are no donkeys in Bikini Bottom, why not pin the tie on SpongeBob instead? This is a great game, and will keep kids entertained for ages.

Planing a SpongeBob themed birthday party? Check out these party supplies:

(Amazon Affiliate Links)

  • Spongebob Scene Setter
  • Spongebob SquarePants Dinner Plates
  • Birthday Banner
  • SpongeBob Table Decorating Kit
  • SpongeBob SquarePants Pull String Pinata
  • Balloon Bouquet
  • SpongeBob Cupcake Stand
  • SpongeBob Party Favor Stampers
  • SpongeBob Patrick Mylar Balloon
  • SpongeBob Table Cover
  • SpongeBob Party Game Poster
  • Cupcake Pix
  • SpongeBob Favor Boxes
  • Packaged Tissue Pineapples
  • Pineapple Plastic Cup

Check out more sea inspired party inspiration here:

Plus, don’t miss 23 Enchanting Under the Sea Party Ideas

Under the Sea Birthday Party Ideas

Proudly Prepared by the Spaceships Kitchen

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