Last updated on May 25th, 2022
Every little girl loves mermaids, right? So treat her for her birthday with some mermaid birthday party decorations that will turn your home into an underwater paradise for her to explore. Your little one will swim freely with these amazing 20 mermaid birthday party decorations that we’ve found to help create the magical world she deserves!
Mermaid Magical Sparkle Happy Birthday Banner
Mermaids sprinkle magic wherever they go, and judging by the shimmering sparkle of this ‘Happy Birthday’ banner, they must have done here, too. Stretched across a mermaid as she swims, this banner will transport your daughter to an underwater world the moment she sees it. She’ll love hearing her friends wish her a happy birthday at the party, but she’ll love hearing it from this shimmering mermaid even more!
Hanging Honeycomb Paper Jellyfish
Everybody knows mermaids only have one problem under the sea – dodging jellyfish. These paper jellyfish, with their long tendrils swaying in the breeze, will take your daughter to an ocean wonderland like no other. Your mermaid princess and all her friends can swim through the party venue, dodging the stinging jellyfish above them and immersing themselves in their underwater paradise!
Under The Sea Birthday Backdrop
No need to hold your breath – mermaids can breathe underwater, and everybody at this party is a mermaid! Pick up an under the sea backdrop to help recreate an underwater world wherever you are. Featuring mermaids, shimmering scales, fish, and pearls in all your little mermaid’s favorite colors (pinks, purples, blues and greens), this backdrop adds another touch of mermaid magic to the party!
Mermaid-Inspired Paper Pom Poms
Mermaids love keeping everything in order, that’s why they’re called merMAIDS. Get it? OK, moving on… These mermaid-inspired pom poms are the perfect mermaid themed birthday party decorations because they add yet another splash of color to the party venue, and everybody knows mermaids love color. If you want to get your party in order, then these beautiful pom poms are the way to do it!
Rainbow Mermaid Balloon
Every birthday mermaid needs one thing above all else: fellow mermaids to celebrate with! A lonely mermaid is never a happy mermaid, and although you’ll be inviting all your daughters’ friends to celebrate under the sea, there’s one guest you can’t forget to bring: a rainbow mermaid in the form of a party balloon! You can try to leave her inflated in a corner for decoration, but it won’t be long until your daughter grabs her by the hand and takes her on a magical underwater adventure!
Mermaid Balloons Arch
Every mermaid princess needs to be welcomed to her ocean kingdom in style. The best way to do this at a mermaid themed party is with a balloon arch filled with sparkle, magic, and bright, bold colours. There’s even a mermaid tail balloon to catch everyone’s eye, so there’s no doubting what type of party this is! The kids will love them, but you will too because it comes with an arch making kit that’s easy to follow.
Metallic Tinsel Curtain
Shimmering purple colours are always a good sign that a mermaid is nearby, and these metallic tinsel curtains will help create that effect. Hang them on the door to your party venue, and watch as your little girl transforms from a human to a mermaid the moment she steps into the ocean inspired venue filled with mermaid birthday party decorations. There’s no better way to step inside a magical underwater kingdom than through these stunning, sparkling curtains!
Iridescent Mermaid Photo Banner
Mermaids love photos, because it reminds them of all the fun they’ve had splashing around in the ocean as they grew up. Now you can hang up your favourite memories in a mermaid photo banner showing your daughter’s journey from a little mermaid exploring the sea for the first time, to who she is now: a mermaid princess that rules the waves like she’s done it all her life!
Mermaid Hanging Swirl Decorations
Starfish, seashells, seahorses, jellyfish, mermaids – these are all things you can find under the sea, so these are all things you should find in your party venue, too! Well, with these mermaid hanging swirl decorations, you’ll be able to show off all of these and more. They’re bright and unforgettable, and your kids will love swimming amongst them as they explore the underwater world around them.
Under The Sea String Lights
Every mermaid needs under the sea lights, because it can get pretty dark beneath the waves if you swim down deep enough. Mermaid parties are all about fun, so keep things well lit with these amazing string lights that’ll help illuminate the wonders beneath the waves so your little ones don’t have to stop exploring when the sun goes down.
Mermaid Table Cover
Most mermaids need a snack after a long day swimming with dolphins and chasing fish, and they like to sit at a table that reminds them of themselves. Well, this mermaid table cover does exactly that because it’s filled with underwater plants and sea life, and, of course, a mermaid tail or two! Your little ones will love sitting down for party food at a table covered by this cloth!
Starfish And Seashell Paper Garland
Mermaids might not sell seashells by the seashore, but they sure love collecting them! So fill your underwater world with all the trinkets your little mermaid would love to collect as she explores her surroundings. A starfish and seashell paper garland is the perfect way to do that, because although it’s simple, it sure is beautiful!
Mermaid Party Tableware
It’s party table time! Every mermaid princess knows that a party isn’t a party without the proper tableware. Make sure you pick up some amazing mermaid party tableware with beautiful, brightly colored mermaid tails, and the pale blues of the sea! It’ll help tie your party theme together, and all the kids will love to see it when they sit down to eat.
Mermaid Party Table Ornaments
Just because you’re sitting down to eat doesn’t mean you should lose the under the sea theme. After all, mermaids eat underwater all the time. Use some table ornaments with coral, sea grass, starfish, and seahorses so it feels as though everyone is sitting at a table at the bottom of the ocean surrounded by sea creatures and sea plants!
Mermaid Cake Stand
You love cake. We love cake. And mermaids? They DEFINITELY love cake – but only if it’s presented beautifully. Well, a mermaid cake stand that’s full of beautiful mermaid scales and stunning colours is sure to impress even the most demanding mermaid! Serve cupcakes on this stand, and every mermaid at the party will come back for more!
Mermaid Tail Cake Topper
Mermaid tail cake toppers are the perfect way to decorate all those lovely cupcakes too, because they give even something as simple as a cupcake a magical mermaid twist! Every part of your mermaid themed birthday party should be thought out to help create an underwater world that’s as real and magical as mermaids themselves, and something as simple as a mermaid cake topper can help you there.
Mermaid Princess Drinking Straw
Why do mermaids need straws? Because otherwise the seawater would ruin their drink, of course! So make sure you pick up some mermaid princess drinking straws so the mermaids can all enjoy their drink in peace. They need to be bright and colourful, just like the mermaids, and a tonne of fun, so your little mermaids remember to stay hydrated after swimming around all day and tiring themselves out.
Mermaid Table Confetti
To finish off your underwater table, you’ll want to sprinkle it with some mermaid table confetti. None of us humans know what’s really at the bottom of the deep blue, but bright jewels, hidden treasures, and sparkling objects are a given, so make sure you sprinkle some bright and colourful table confetti across the party table so the mermaids at the party can see what treasures they can find!
Mermaid Photo Booth Props
What did the mermaid say to the merman as she left? Sea you later! And for our last suggestion, we’ll leave you with some amazing mermaid photo booth props. Every mermaid birthday party needs to be captured with photographic evidence. After all, not everybody believes mermaids exist (they’re crazy though, right?), so make sure you take lots of hilarious pictures with these stunning props so you never forget the day your house turned into an underwater kingdom filled with magical mermaids!
Mermaid dance in the sunlight, and so do these mermaid windsocks! They’ll dance around in the air as they hang from your ceiling, making it look as though there are even more mermaids in your underwater paradise. Did you just catch a glimpse of a mermaid tail? Was that one over there? Or there? These windsocks make it seem like there are mermaids EVERYWHERE, so they’re perfect for your party!
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