Event Inspiration

5 Steps to Throw A Incredible Mermaid Themed Birthday Party

5 Steps to Throw A Incredible Mermaid Themed Birthday Party

Searching for the perfect theme to throw an unforgettable birthday celebration? Look no further than a mermaid themed birthday party! With its endless possibilities for creativity and trendiness, a mermaid themed birthday party is sure to make a splash.

In this comprehensive guide, we’ve curated 5 essential steps that will help you bring the enchanting world of mermaids to life. From mesmerizing invitations to tantalizing treats and engaging activities, we’ve got all the inspiration and tips you need to create an unforgettable under-the-sea extravaganza. So, get ready to dive into a realm of imagination and excitement as we reveal the secrets to throwing an incredible mermaid themed birthday party!

1. Invitations that Make a Splash

Just like any other themed party, when it comes to throwing an incredible mermaid themed birthday party, it all starts with the invitations. Set the tone for a magical celebration with invitations that make a splash and leave a lasting impression on your guests. Here are a few key points to consider: 

  • Opt for a mermaid tail design with customizable text, using The Little Mermaid fonts to capture the enchanting spirit of the underwater world. 
  • Personalize the invitations by naming the birthday person. For example, you can introduce them as the first/second/third… princess (remember Ariel is the seventh princess of Atlantica?). This gives the event an extra touch of royalty and creating a sense of importance for the birthday child. Besides, use phrases like “Join us under the sea” or “Dive into a magical adventure” to emphasize the mermaid theme and create anticipation among the invitees. 
  • Don’t forget to emphasize the dress code! Encourage guests to come dressed as mermaids, sea creatures, or pirates to fully immerse themselves in the magical atmosphere. This adds an interactive element to the party and allows everyone to become part of the mermaid world. 
Make merrmaid birthday invitations with custom face photo stickers
Make merrmaid birthday invitations with custom face photo stickers

2. Transforming the Venue into an Underwater Wonderland

To create an unforgettable mermaid themed birthday party, it’s a must to transform the venue into a mesmerizing underwater wonderland. You can refer to these mermaid decor ideas:

  • First, set the scene with an ocean backdrop or tablecloth. To instantly transport your guests into the depths of the sea, consider using a wall sticker decal or a big-sized The Little Mermaid movie poster depicting an underwater paradise. 
  • Add a touch of whimsy with a moss or sea shell garland. Drape it along tables, walls, or around doorways to evoke the feeling of being surrounded by a vibrant underwater garden. The natural elements will enhance the ambiance and create a sense of being submerged in a mystical realm. 
  • Elevate the atmosphere with ombre pink, blue, and purple foil balloons. These colors mimic the mesmerizing hues of the ocean and create a visually stunning backdrop. Add fish or seashell stickers to the balloons for an extra touch of underwater charm. Consider holographic stickers for seashell stickers, and transfer stickers if you want to add lettering to your party balloons.

Every detail contributes to the overall ambiance, allowing everyone to feel as though they’ve stepped into an enchanting underwater realm. So, take the time for this decoration and watch your guests’ faces light up with excitement when they enter your mermaid-inspired wonderland.

Unforgettable personalized backdrop for mermaid themed birthday party
Unforgettable personalized backdrop for mermaid themed birthday party

3. Dressing Up in Mermaid Style

No mermaid themed birthday party is complete without guests dressing up in mermaid style. Encourage your attendees to fully embrace the underwater world. You can give them some suggestions: 

  • The Little Mermaid tails costumes: These can be in various sizes to accommodate both children and adults. From shimmering fabrics to vibrant colors, these costumes will make everyone feel like they’ve transformed into magical mermaids. 
  • Headbands: Enhance the mermaid look with decorative headbands inspired by the ocean. Adorn them with seashells, starfish, or sparkling pearls to create a whimsical and glamorous touch. Guests can wear these headbands to complete their mermaid ensemble. 
  • Sea accessories: Offer a variety of sea-inspired accessories such as necklaces, bracelets, and anklets. These can be adorned with shells, pearls, or sea-themed charms. These accessories will add an extra layer of enchantment to the costumes, allowing guests to showcase their individual mermaid style. 

By encouraging guests to dress up in mermaid style with tail costumes, headbands, and sea accessories, you’ll create a captivating and immersive experience. The guests will feel like they’ve entered an underwater realm, and their mermaid attire will add an extra element of fun and excitement to the festivities. 

4. Fun-filled Mermaid Activities and Games

To make your mermaid themed birthday party truly unforgettable, incorporate a variety of fun-filled activities and games that will engage and entertain your guests. Here are some exciting ideas to consider: 

  • Singing game: Organize a singing game where the guests can take turns belting out their favorite mermaid-inspired tunes. Provide a karaoke machine or play instrumental tracks and let their inner mermaid diva shine. 
  • Pin the tail game: Put a twist on the classic “Pin the Tail on the Donkey” game by creating a “Pin the Tail on the Mermaid” version. Blindfolded participants can try to place the tail on a mermaid poster or cutout, adding an element of laughter and friendly competition. 
  • Treasure hunt: Create an underwater adventure by organizing a treasure hunt. Hide small mermaid trinkets or ocean treasures around the party area, and provide clues or a treasure map for the guests to follow. Encourage them to embrace their inner explorers as they search for hidden gems and treasures. 

To add an extra layer of engagement, consider incorporating custom mermaid stickers or labels as part of the games. For example, you could create a sticker matching game where participants match mermaid-themed stickers to win prizes. Alternatively, provide sticker art activities where guests can decorate their own treasure chests or mermaid-themed crafts using the stickers. 

We’re 100% sure that your guests have a blast and are fully immersed in the enchanting world of mermaids with these fun-filled mermaid activities and games.

5. Delicious Mermaid Treats and Refreshments

Lastly, a delectable spread of mermaid treats and refreshments will complete your mermaid themed birthday party. Delight your guests with these scrumptious and creatively themed foods and drinks: 

  • Seashell-shaped cookies: Bake or purchase cookies in the shape of seashells and decorate them with colorful icing or edible pearls. 
  • Mermaid tail cupcakes: Whip up a batch of mermaid tail cupcakes, adorned with frosting in enchanting hues of blues, greens, and purples. Top them off with shimmering sprinkles or edible glitter to add a touch of magic. 
  • Blue ocean punch: Serve a refreshing blue ocean punch made from a blend of blue fruit juices or flavored soda. Add floating edible pearls or gummy fish for an extra touch of aquatic fun.
  • Under-the-Sea Snacks: Create a platter of under-the-sea snacks using fish-shaped crackers, seaweed snacks, and goldfish-shaped sandwiches. Arrange them on a bed of blue-colored tortilla chips to mimic the ocean floor. 
  • Deep-Sea Drinks: Provide a variety of drinks in hues of blue, such as blue lemonade, blueberry smoothies, or blue sports drinks. For added flair, decorate the cups, bottles, and straws with mermaid-themed stickers to make sipping even more enchanting. 

As you prepare the delicious mermaid treats and refreshments, don’t forget to incorporate custom mermaid stickers to add a charming touch. Decorate food platters, drink dispensers, and water bottles with mermaid-themed custom stickers to enhance the visual appeal and tie everything together with the overall theme. 

With these mouthwatering and creatively themed treats and refreshments, you’ll ensure that your guests have a delightful culinary experience that perfectly complements the mermaid-themed celebration. So, let the feast begin, and watch as your guests indulge in the delicious magic of under-the-sea delights.


As the waves of your mermaid themed birthday party come to a close, the memories made and the joy shared will linger on. 

Remember, the spirit of the mermaid lives within us all, reminding us to embrace our imagination, cherish our connection to nature, and create moments of magic wherever we go. So, let the mermaid spirit guide you as you continue to make waves of joy and adventure in your everyday lives. 

With that in mind, you can use mermaid stickers to decorate not only special celebrations like birthday parties, but also your daily belongings such as phone, laptop or helmet. You can choose or create mermaid themed stickers of your own at our website here. We are really honored to be your companion for any sticker needs.


About Karen Lee

Meet our Creative Master – Karen Lee! Karen is the DIY wizard and the creative mind behind all of our inspiration posts: from fantastic gift ideas to exceptional decoration tips that make your events pop. Stick around for more exciting content, as we belive she is your partner in all things fun and fabulous.