Under the Sea

Welcome to a little corner of party magic: our Under the Sea collection. It's all about fish, waves and ocean-blue wonder, curated to make an under-the-sea adventure that little bit more magical.

Browse below and let the party planning begin.

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Exclusive balloon designs

Birthdays, baby showers, weddings & more

Personalised touches

Custom banners & decorations

Under The Sea Dolphin Balloon Sculpture

Under The Sea Dolphin Balloon Sculpture

£22.95

Under The Sea Shark Balloon Sculpture

Under The Sea Shark Balloon Sculpture

£22.95

DIY Pink Baby Shark Balloon Sculpture

DIY Pink Baby Shark Balloon Sculpture

£19.95

DIY Baby Shark Balloon Sculpture

DIY Baby Shark Balloon Sculpture

£19.95

Under The Sea Balloon Sculpture

Under The Sea Balloon Sculpture

£15.95

Baby Shark Balloon Garland

Baby Shark Balloon Garland

£11.95

Everything Under the Sea, All in One Place

Some collections are all about one big statement piece; ours is about the details. Our Under the Sea range brings together fish, waves and ocean-blue wonder, giving you a proper toolkit for an under-the-sea adventure — from the showstoppers right down to the smallest table accent.

Mix and Match Your Under the Sea Look

If you're new to styling a theme yourself, keep it simple: matching balloons, banners and tableware from this collection are designed to do most of the work for you, so you don't need a long list of extra supplies to make the room feel finished.

This collection also works well beyond the obvious occasion — many customers mix pieces from our Under the Sea range into other celebrations too, whether that's a themed photo shoot, a school event or simply because they love the colour palette. Don't feel limited to using everything at once; sometimes a single statement piece is all it takes to set the tone for the whole room.

We love seeing how customers style our Under the Sea pieces for their own celebrations, and it genuinely shapes the way we build out future collections. If there's a product you'd love to see us stock, our customer service team is always happy to hear from you.

Ready to get started? Shop the full Under the Sea collection below and start building your celebration piece by piece.