Under The Sea Balloon Collection

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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 paper tassel tails to your balloons.
  • Option to add inflated clear balloons in a mix of blue, purple and green.


  • No need to worry about float times - our premium quality balloons float for at least 3 days (often much longer if the balloons are looked after!)
  • Peace of mind that your party balloons are of the highest quality and carefully prepared by our team of balloon professionals to ensure they look fantastic for your special occasion (don't waste time hiring helium or buying too many balloon weights!)
  • Delivered by a certified balloon professional straight to your or a loved one's doorstep - sit back and relax knowing that your balloon delivery is in safe hands.


  • Let us add a handwritten gift note to let your loved one know you've sent them balloons for their special occasion. Just let us know the message you'd like us to include in the box above.
  • On rare occasions certain balloons may be unavailable due to supplier shortages and we may use an alternative balloon to complete your order. We can guarantee that we'll still deliver a beautiful bunch of balloons of the highest quality.


  • Delivery is free and available in the following locations: Surrey, Kent, Greater London, Sussex, Liverpool.
  • Please check that we deliver to your postcode by clicking here.
  • Once you've submitted your order we'll confirm the delivery date and time with you via email.



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