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DIY Mermaid Party Decor!

By Brenda Ponnay

This is the last installment of our Mermaid-themed Party series.  Here are some DIY mermaid party decor ideas and how you can replicate it if you’re throwing your own at home.  We have also done posts on: 

To me, nothing says let’s party under-the-sea better than a dressed-up dessert table. Here, we show you how we created a simple decorative party backdrop and fake pool-noodle coral for our Mermaid-Themed Craft and Pool Party.DIY Mermaid Party Decor and Tablescape idea by Brenda Ponnay for Alphamom.com

How to Create your own Under-The-Sea Themed Party Backdrop

First we create your backdrop with a big piece of cardboard. Then spray-paint in three marbled colors of aqua and blue by overlapping three different shades of spray paint (please have an adult do this safely outside).  Double-handed spray-painting is not necessary– but it’s fun– you might want to try it!DIY Mermaid Party Decor and Tablescape idea (how-to) by Brenda Ponnay for Alphamom.com

After the paint dries, prop the painted cardboard up behind the buffet table and drape gauzy fabric over the top and below it on the table, making sure to let the fabric billow and fold naturally.

Then string more of the same bubbles we used for the party invitations along a length of fishing line and hung that along the top of the painted cardboard. You could easily hang these vertically too but our ceilings really high and we are height challenged. Either way they look cool.

DIY Mermaid Party Decor and Tablescape idea (making "coral reef noodles") by Brenda Ponnay for Alphamom.com

Then we created some fake coral, using leftover pool noodles. We stuffed them into empty cookie tins that we had spray-painted blue to match the backdrop but you could put them in vases too.

To create a pool noodle coral you will need:

  • pool noodles cut in half in different lengths
  • a serrated knife
  • a self-healing mat or cutting board

How to make a pool noodle coral:

First, lay your pool noodle length horizontally on your cutting board and cut into it diagonally with your serrated knife until you get to the hollow center. Turn the noodle and gently move your knife down the noodle in spiral like so.   Be really careful don’t cut all the way through. It’s easy to get a nice spiral cut by turning the noodle as you cut and cutting along at an angle. Do this twice. The second time cutting between your first cut and easing it down the noodle the same way.

Then gently pull the two pieces apart from each other. If your cuts don’t go all the way through, don’t worry you can gently loosen them with your hands. Pull your pieces apart, stuff them into a can or vase and there you have it, fake coral!DIY Mermaid Party Decor and Tablescape idea (photo backdrop) by Brenda Ponnay for Alphamom.com

Decorate your table with your desserts in pretty dishes and surround them with shells and clear marbles. Your dessert table will be pretty enough for any mermaid to dine from (or take a selfie in front of!).

Find all of our Mermaid Party ideas here.

Brenda Ponnay
About the Author

Brenda Ponnay

Brenda Ponnay is a stealthy secret agent who juggles parenthood to her adorable daughter by day and freelance graphic design/illustration by night. Whether it’s painting, baking, drawing, mak...

Brenda Ponnay is a stealthy secret agent who juggles parenthood to her adorable daughter by day and freelance graphic design/illustration by night. Whether it’s painting, baking, drawing, making castles out of cardboard boxes or just doing the laundry with flair, Brenda Ponnay has learned that what really makes her happy is being creative every single day.

You can read about all her crazy adventures on her personal blog: Secret Agent Josephine.

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