DIY Coral Party Centerpiece

2 min read September 13, 2026 Michelle Stewart
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Bring a bit of the sea to the party with this fun DIY Under the Sea DIY Coral Centerpiece. This easy project is sure to make a splash at your child's next birthday party!

Project Time
60 to 90 min
Difficulty
Intermediate
Step
1

Start by lining your workspace with wax paper. Using gloves, shake the spray foam well and spray a coral shape on to a Bamboo Skewer. Let the foam cure. Once dry to the touch, turn the skewer over and apply more foam to the back. Let cure.

DIY Coral Party Centerpiece step 1 part 1
DIY Coral Party Centerpiece step 1 part 2
Step
2

Once the foam has cured and it's dry to the touch, apply Acrylic Paint to the foam in your preferred colors. Let dry before painting the backside.

DIY Coral Party Centerpiece step 2
Step
3

While the coral dries, apply two coats of paint to the DIY Flower Box Centerpiece. Let dry.

DIY Coral Party Centerpiece step 3
Step
4

Next, spray paint the Ocean Sea Life Decorations in various colors to match your theme. Once dry, adhere them to both sides of the Flower Box with hot glue.

DIY Coral Party Centerpiece step 4 part 1
DIY Coral Party Centerpiece step 4 part 2
Step
5

Next, trim a piece of foam to fit the flower box. Cut the wave section of the Under the Sea Paper Tablecloth to cover the foam.

DIY Coral Party Centerpiece step 5
Step
6

Place the covered foam inside the flower box and insert the skewers of Coral into the foam.

DIY Coral Party Centerpiece step 6
Step
7

Next, proudly display your DIY Coral Centerpiece in the center of your Under The Sea party table!

Check out more fun Under the Sea Party ideas like this DIY Whale Tail Piñata and DIY Under the Sea Backdrop.

DIY Coral Party Centerpiece step 7

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