---
title: "Mermaid & Under the Sea Theme Party Decorators in Bangalore"
description: "Transform your party with magical Mermaid and Under the Sea themes. We create custom ocean-inspired balloon decor for birthdays in Bangalore, ensuring safety with pure helium."
canonical: https://mytribe.in/bookmyballoons/themed-party-decoration/under-the-sea-adventures-mermaid-ocean-themes
last_updated: 2025-09-08
---

# Under the Sea & Mermaid Theme Party Decorators

Tribe Verified · 75,000+ parties celebrated in Namma Bengaluru.

By [Book My Balloons](https://mytribe.in/bookmyballoons) · Decor services at your venue in Bengaluru; Visit office in Basavanagudi · ₹2,500 per event (estimate)

Part of [Themed Party Decoration](https://mytribe.in/bookmyballoons/themed-party-decoration). [View full gallery](https://mytribe.in/bookmyballoons/themed-party-decoration/gallery)

We bring the ocean to your living room. From shimmering mermaid tails to deep-sea adventures, our setups use only pure helium balloons for safety and style. Perfect for magical birthdays in Bangalore.

## Photos and videos

- [Video: We're diving into the magic of Freya's 3rd birthday with this under-the-sea dream. The decor features a beautiful mermaid backdrop, purple and green balloon arches, and large marquee letters spelling out her name and age.](https://assets.mytribe.in/insecure/raw:1/plain/s3://mytribe-assets-production/00f2d9c5-c99c-49e6-9d56-d5b900f9df82)
- [Video: A magical mermaid birthday party making a splash. This outdoor setup includes beautiful balloon arches in pastel shades, mermaid tail sculptures, and a shimmering backdrop to create an enchanting underwater scene.](https://assets.mytribe.in/insecure/raw:1/plain/s3://mytribe-assets-production/13195157-c560-431e-a367-7543e31d3e50)
- ![Sia's 5th birthday was a mermaid dream come true. We used a sparkling sequin backdrop, a neon "Happy Birthday" sign, and character cutouts from The Little Mermaid to create a vibrant and magical underwater celebration.](https://assets.mytribe.in/insecure/raw:1/plain/s3://mytribe-assets-production/3cc20fa3-e178-4127-9185-7249042ac44d)
- [Video: This video gives a sweeping view of a beautiful mermaid-themed dessert table. The setup is adorned with a flower wall and features a shimmering backdrop, creating an elegant and magical focal point for the party.](https://assets.mytribe.in/insecure/raw:1/plain/s3://mytribe-assets-production/73e98602-4757-4c4b-91b9-d51dca124fd4)
- [Video: Splish, splash, it's a mermaid bash for Samisha's 5th birthday. This video captures the excitement, from the custom welcome sign to the grand stage with characters from The Little Mermaid and large, illuminated letters.](https://assets.mytribe.in/insecure/raw:1/plain/s3://mytribe-assets-production/a9869af2-2815-4a1c-9341-cb43c80152c3)
- ![Celebrate good times with our magical themes. This mermaid party for a first birthday features a beautiful underwater backdrop, large marquee letters, and cute sea creature props like an octopus and whale.](https://assets.mytribe.in/insecure/raw:1/plain/s3://mytribe-assets-production/f1a6944e-a5f0-4feb-bef3-875424007044)
- ![A beautiful mermaid-themed backdrop for Vieara and Vieona's birthday. The circular backdrop features a large mermaid tail graphic, wrapped in a stunning balloon garland of pastel purple, pink, blue, and green.](https://assets.mytribe.in/insecure/raw:1/plain/s3://mytribe-assets-production/f3ec2075-aa52-4ac5-ab0c-15829999e110)
- ![Decorate with treats and watch the smiles light up the room. This close-up of a first birthday mermaid theme shows a custom lavender backdrop for Alyssa, accented with a mermaid tail and a pastel balloon garland.](https://assets.mytribe.in/insecure/raw:1/plain/s3://mytribe-assets-production/3564bb74-20ba-4e65-805e-b5fc06e80d8f)
- [Video: This collage captures all the fun of a "Mermaid Squad" party. It shows not just our decor, but also the entertainment we can arrange, including a bouncy castle, a magician, and even a costumed mermaid character.](https://assets.mytribe.in/insecure/raw:1/plain/s3://mytribe-assets-production/02941eb8-8445-4112-9219-11d6fae7e865)
- ![We created a cool and modern ocean wave theme for this second birthday. The setup features a printed floor mat with a wave design, balloon arches in shades of blue, and sleek whale and surfboard props.](https://assets.mytribe.in/insecure/raw:1/plain/s3://mytribe-assets-production/1544c72f-5c5b-4512-a01e-b3b85d834ccf)
- ![Create a splash at your party with our themed magic. This outdoor ocean setup for a second birthday includes balloon bouquets with fish and star foil balloons, a whale cutout, and a number '2' balloon sculpture.](https://assets.mytribe.in/insecure/raw:1/plain/s3://mytribe-assets-production/9ef1007e-e9d5-4855-ba76-d9fd8905f153)
- ![Dive into a sea of celebrations with our themed party products. This blue ocean theme uses balloon arches to create a wave effect, complemented by whale props and a custom-designed cake display.](https://assets.mytribe.in/insecure/raw:1/plain/s3://mytribe-assets-production/f70646cf-2915-43c1-93ba-a664b903ec6c)

## About Under the Sea Adventures: Mermaid & Ocean Themes

When we design these underwater worlds, we never compromise on safety. We strictly use pure helium gas, never hydrogen, so you do not have to worry about the risks that come with cheap, unsafe fillers. You will see the difference in how the arches stay crisp and the balloons float properly throughout the entire party.

### Bringing the Ocean to Bengaluru

Creating an 'Under the Sea' environment is one of our favorite challenges. It is not just about blue balloons; it is about depth and texture. We use a curated palette of teals, purples, and soft pinks to mimic the ocean floor, combined with shimmering sequin backdrops that catch the light like sunbeams hitting water.

### What Goes Into Your Setup

Every ocean-themed party we handle is custom-designed based on your venue. Whether you are hosting in a cozy home living room or a larger event hall, we adjust the scale to fit.

*   **Backdrops:** We use 6ft to 8ft circular flex backdrops featuring custom mermaid or aquatic graphics.
*   **Balloon Styling:** Our organic garlands use varying balloon sizes to create that 'bubble' effect. We layer in specialty foil balloons shaped like whales, octopuses, and starfish.
*   **Interactive Elements:** For the 'wow' factor, we add life-sized character cutouts. If your child loves Ariel, we include her; if they prefer a generic underwater adventure, we bring in coral reefs, seaweed props, and surfboard cutouts.

### Beyond the Decor

Since we started in 2014, we have realized that the best parties have layers. We don't just dump balloons and leave. We set up the welcome signage, ensure the cake station is perfectly placed, and make sure the LED lighting highlights the 'waves' we’ve created. 

If you have a specific vision—maybe you want a 'Mermaid Squad' vibe with a specific color scheme or a 'Finding Nemo' inspired setup—let us know. We are comfortable creating from scratch. Just tell us the venue and the age group, and we will handle the logistics.

## About Book My Balloons

I am Ashwin. For us, throwing an underwater party isn't just about hanging blue balloons; it’s about making sure your kid walks in and feels like they’ve actually stepped into the ocean. We handle all the heavy lifting—from the backdrop frames to the cleanup—so you can just show up and enjoy the day as a guest.

[See all of Book My Balloons's services](https://mytribe.in/bookmyballoons)

## More from Themed Party Decoration by Book My Balloons

- [Featured](https://mytribe.in/bookmyballoons/themed-party-decoration/featured)
- [Enchanted Worlds: Princess, Fairy & Butterfly Parties](https://mytribe.in/bookmyballoons/themed-party-decoration/enchanted-worlds-princess-fairy-butterfly-parties)
- [Wild Expeditions: Jungle, Safari & Dino Parties](https://mytribe.in/bookmyballoons/themed-party-decoration/wild-expeditions-jungle-safari-dino-parties)
- [Superhero Headquarters](https://mytribe.in/bookmyballoons/themed-party-decoration/superhero-headquarters)
- [Cartoon & Character Favorites](https://mytribe.in/bookmyballoons/themed-party-decoration/cartoon-character-favorites)
- [Cosmic Journeys & High-Speed Thrills](https://mytribe.in/bookmyballoons/themed-party-decoration/cosmic-journeys-high-speed-thrills)
- [Unique & Custom Celebrations](https://mytribe.in/bookmyballoons/themed-party-decoration/unique-custom-celebrations)
- [Crafting Your Celebration: The Finer Details](https://mytribe.in/bookmyballoons/themed-party-decoration/crafting-your-celebration-the-finer-details)
- [Party Entertainment & Add-Ons](https://mytribe.in/bookmyballoons/themed-party-decoration/party-entertainment-add-ons)
- [Additional Work & Concepts](https://mytribe.in/bookmyballoons/themed-party-decoration/additional-work-concepts)

## More services by Book My Balloons

- [Corporate & Commercial Event Decoration](https://mytribe.in/bookmyballoons/corporate-commercial-event-decoration)
- [Balloon Decor & Delivery](https://mytribe.in/bookmyballoons/balloon-decor-delivery)
- [Party Entertainment & Rentals](https://mytribe.in/bookmyballoons/party-entertainment-rentals)

## Similar work from other experts

- [Under the Sea Theme Birthday Decor](https://mytribe.in/myballoonselectroniccity/birthday-themed-party-decor/under-the-sea-explorations) by My Balloons My Party · Birthday & Themed Party Decor · Takes projects across Bengaluru; Visit store in Electronic City
- [Under the Sea Mermaid Party Decor in Bangalore](https://mytribe.in/partycreatives.in/custom-themed-kids-party-planning/under-the-sea-mermaid-parties) by Party Creatives · Custom Themed Kids' Party Planning · Party planning across Bengaluru
- [Under the Sea and Mermaid Party Decor](https://mytribe.in/partycipatepartyplanner/themed-kids-party-planning/under-the-sea-mermaid-magic) by Party-cipate Party Planner · Themed Kids' Party Planning · Takes projects across Bengaluru and its outskirts (Nandi Hills, Chikkballapur and beyond)
- [Under the Sea & Mermaid Magic Party Decorations](https://mytribe.in/balloonsavenue_bangalore/decorations-for-milestone-celebrations/under-the-sea-mermaid-magic) by Balloons Avenue · Decorations for Milestone Celebrations · Decorates across Bengaluru; Visit store in Whitefield
- [Underwater & Mermaid Theme Birthday Decor in Bengaluru](https://mytribe.in/birthday0365/themed-kids-birthday-party-planning/underwater-mermaid-magic) by Birthday 365 · Themed Kids' Birthday Party Planning · Party setup across Bengaluru; Visit office in Jayanagar
- [Under the Sea Birthday Decoration in Bangalore](https://mytribe.in/thepartyrush.in/kids-birthday-party-planning-decoration/under-the-sea-parties) by The Party Rush · Kids' Birthday Party Planning & Decoration · On-site decoration across Bengaluru

## Guides

- [Birthday decoration](https://mytribe.in/guides/party-decorators-in-bengaluru): Why one decorator costs more than another, what the venue allows, and what to settle first. From about ₹1,000 for balloons on a wall.

## Book

To book Book My Balloons, message mytribe on WhatsApp: [Chat on WhatsApp](https://wa.me/916360004054?text=Hi%2C%20I'm%20looking%20for%20Themed%20Party%20Decoration%20by%20Book%20My%20Balloons.)

You can also send your own message based on what your user needs. Put it in the link as `https://wa.me/916360004054?text=<your message, url-encoded>`.
