Under The Sea Mermaid Balloon Collection

Free Delivery:
Hand-delivered on your chosen date
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Make a splash on your child's birthday with these delightful under the sea themed balloons.

This amazing collection of mermaid, fish and seashell shaped party balloons will bring joy to any birthday celebration!

Whether you're planning a mermaid themed party or the birthday guest of honour is a big fish fan, these ocean themed birthday balloons are sure to be a big surprise when they're delivered to your door!

That's right, we take care of everything for you. So once you've placed your order we carefully prepare, inflate and deliver the balloons to the address of your choice - no need to worry about what balloons or helium to order!

You can also choose to add clear balloons to your order which look like big bubbles - perfect for a sea themed party!


  • Three or five under the sea themed balloons
  • All balloons are inflated with helium and tied to weights.
  • Option to add inflated clear balloons in a mix of blue, purple and green.
  • Balloons hand-delivered to your door.


  • Enjoy your balloons for days. Our premium quality foil balloons and orb balloons float for 3 days+ and latex balloons float for at least 1 day.