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Dive into a magical underwater world with Meri Meri’s Under the Sea collection. Featuring enchanting marine-themed decorations from shimmering mermaids and playful sea creatures to elegant marine-themed garlands and party essentials, each item brings the magic of the ocean to life.
Perfect for birthdays, parties or imaginative play, this collection offers beautifully crafted designs that will captivate kids. Create an unforgettable celebration with ocean-inspired details. Read our fun mermaid party ideas blog post and download our fun mermaid craft!
Under The Sea Party Ideas and Gifts
Throw the ultimate under-the-sea birthday party with our eye-catching garlands, colorful party plates, and tableware with various sea creature designs – whether your little one loves sharks, octopuses, or even turtles, we have party supplies for every interest.
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$ 665.00
This massive garland really has the wow-factor - it's a party-in-a-box! It features eye-catching embellishments, including glittery pennants and 3D honeycomb details. Hang all three strands on the wall, or...
$ 315.00
Under-the-sea is a great place to be - especially as a statement birthday party theme. This cupcake kit allows you to introduce sensational sea creatures to your party table for...
$ 184.00
These amazing red octopus paper plates are perfect for kids under-the-sea parties, or for adult cocktail parties. The foil details give a wonderful shiny effect.
Make your party table look dreamy with these summer sky blue paper plates. They're beautifully designed with the color on the front and back, and an octagonal shape for an...
$ 149.00
These napkins, in the shape of a beautiful seahorse, will look amazing at an under-the-sea or mermaid party. They are printed with ocean colors and brilliant shimmering blue foil detail....
$ 245.00
Thrill your guests by turning the party table into a sea of shimmering sharks with these sensational paper plates!
$ 123.00
The octagonal shape of these paper plates, teamed with a soft cornflower blue on the front and back, makes them a stunning choice for your party or special dinner. They're...
$ 88.00
Make a splash with this charming under-the-sea invitation, perfect for an ocean-themed birthday party, a beach celebration or any aquatic-inspired event. Simply add the details of your celebration, including the...
$ 3,150.00
Add a bite of excitement to your party with the Fierce Shark Piñata from Mama’s Piñatas. Bold, playful, and unforgettable, this handcrafted shark brings ocean adventure to birthdays, beach parties,...
$ 420.00
We just love these toothy shark hats, perfect for an under-the-sea party or shark party. Why wear plain party hats when you can wear a shark and put the wow...
$ 385.00
Who says disposable cutlery can't make a statement? Forget the ordinary, our wooden cutlery sets blend practicality with style. They are ideal for picnics, garden parties, BBQs, camping adventures, or...
$ 158.00
The octagonal shape of these paper plates, teamed with a soft blue color on the front and back, makes them a striking choice for your party or special dinner. They're...
$ 132.00
Make your party table look dreamy with these summer sky blue napkins. They're beautifully designed with a stylish scalloped edge. They're perfect for a baby shower, birthday parties or to...
$ 158.00
The color emerald green is associated with nature, new beginnings, health and wealth. So these gorgeous paper plates, with their eye-catching octagonal shapes, are perfect for a garden party, baby...
$ 123.00
If you're looking to add a pop of color to your party table then you'll love these dreamy sea foam green paper plates! The color is on both the front...
$ 105.00
The color emerald green is associated with nature, new beginnings, health and wealth. So these gorgeous cups are perfect for a garden party, baby shower, a new home get-together, or...
$ 149.00
These terrific turtle napkins are perfect for cocktail parties or under-the-sea parties. Ocean lovers will adore the attention to detail, and they'll certainly give your party table the wow factor!...
$ 149.00
Why have plain napkins when you can have them featuring an eye-catching octopus? This adorable fellow will brighten up any party table, whether it's a kids under-the-sea party or you're...
$ 149.00
Our lobster napkins make a stunning decoration on a party table or are ideal served with drinks. They are perfect for an under-the-sea party, a cocktail party, a BBQ or...
These beautiful cream plates are made from commercially compostable bamboo and sugarcane pulp, offering an alternative to the traditional paper party plate. The neutral cream color is perfect for all...
$ 15,733.00
Warning: Your kids will beg to play on Smol Splash every day. This water bounce house turns any backyard into a summer oasis — for cooling down, bouncing big, and...
