Dive into an Enchanting Under the Sea Themed Balloon Range!

Transform your party venue into an enchanting underwater wonderland with our mesmerizing Under the Sea-themed balloon collection! Dive into a world of shimmering scales, sparkling seashells, and playful sea creatures that will ignite your child’s imagination and transport them to a magical underwater kingdom.

Whether your little mermaid dreams of twirling through the ocean depths with graceful dolphins, exploring vibrant coral reefs teeming with colorful fish, attending a majestic royal ball with her mermaid friends, or embarking on a daring pirate adventure with sunken treasure, our whimsical balloons will bring their dreams to life and create a truly unforgettable celebration.

Imagine their face lighting up with joy as they enter a room filled with magical mermaid figures, playful seahorses, and shimmering bubbles that seem to float right out of the ocean. Let our giant octopus balloons add a touch of whimsy and our vibrant coral reef balloons create a stunning backdrop for photos. And for a truly grand entrance, our expert team can craft a custom balloon archway that evokes the grandeur of a sunken pirate ship or the majesty of King Triton’s palace.

Let the enchanting spirit of the sea fill your party with wonder and delight as you create memories that will last a lifetime. With Sweethearts Party Boutique, your under-the-sea celebration will be an extraordinary experience, leaving your little one and their guests in awe of the underwater world’s beauty and mystery.

Sweethearts Party Boutique - Under the sea theme

Make a Splash with Our Enchanting Balloon Options

Mermaid Foil Balloons

Shimmering mermaid figures, available in various poses and sizes, perfect for adding a touch of elegance to your party space.

Sea Creature Balloons

Invite dolphins, turtles, starfish, and other delightful sea creatures to your celebration with our vibrant and playful balloons.

Seashell Balloons

Create a stunning backdrop with our shimmering seashell balloons in various sizes and colours, perfect for hanging from the ceiling or creating a balloon arch.

Giant Under the Sea Balloons

Make a splash at your under-the-sea party with our gigantic ocean-themed balloons! These larger-than-life inflatables will transport your guests to a magical underwater world, filled with vibrant colors and enchanting creatures. Imagine the excitement on your child’s face as they see their favorite sea creatures come to life in towering proportions!

Custom Balloon Arches and Garlands

Transform your party venue into an enchanting underwater paradise with our bespoke balloon arches and garlands! Our expert team will work closely with you to design a one-of-a-kind creation that captures the magic and wonder of the sea. Choose from a mesmerizing array of colors, from deep blues and greens to shimmering purples and pinks.

Surprise Inside! Under the Sea Themed Gift Balloons

Looking for a unique and enchanting way to present your under-the-sea themed gifts? Look no further than our magical gift balloons! These stunning clear balloons are the perfect way to surprise your little mermaid or ocean adventurer with their favourite treasures from the deep. Simply bring us your chosen gifts, and we’ll carefully arrange them inside the balloon with soft, fluffy stuffing, creating a visually stunning and captivating surprise.

The balloon itself can be customized with under-the-sea colours and characters, making it a truly personalized and memorable gift. Imagine the joy on your child’s face as they pop the balloon to reveal their favourite underwater goodies.

If you can't see what you are looking for, drop us a message so we can create the perfect display for you.

Sweethearts Party Boutique


We offer local delivery for your convenience. Let's us know if you need this as an option on ordering.

Sweethearts Party Boutique

Pop in Store

We have a lovely little party shop based in Hailsham East Sussex, where we can assist with all your party needs or collect orders.

Sweethearts Party Boutique

Huge range of partyware available

Ask us about our convenient link to browse all partyware from the comfort of your own home.

Sweethearts Party Boutique

Support local

We are a group of hard working mums who appreciate your support to our little, ever growing business!

Open chat
Scan the code
Hello 👋
Can we help you?