Under The Sea Party Ideas and Gifts

Throw the ultimate under-the-sea birthday party with our eye-catching garlands, colourful 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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Under The Sea Download & Print Invitation Image1

Under The Sea Download & Print Invitation

£3.00
Our colourful garland is perfect for under-the-sea party ideas. Image1

Under The Sea Garland Set

£27.00
Our hats in the shape of a shark make spectacular paper party hats. Image1

Shark Hats (x 8)

£16.50£14.00
Our cupcake kit features toppers to create shark cupcakes and other sea creatures. Image1

Octopus & Shark Cupcake Kit (x 24 toppers)

£13.50
Blue Honeycomb Garlands Image1

Blue Honeycomb Garland Set

£18.00
Shark Platters Image1

Shark Platters (x 4)

£10.00
Our octopus red plates are perfect for an under-the sea party or cocktail party. Image1

Octopus Plates (x 8)

£8.00
Our paper napkins are the perfect party napkins, featuring a delightful octopus. Image1

Octopus Napkins (x 16)

£6.75
Our special under the sea set includes a stunning sea garland, plates, napkins, cupcake kit and 3D shark cups. Image1

Under The Sea Octopus Set

£63.75£55.00
Coming Soon
Our paper plates are cut in the shape of a turtle and are perfect for under-the-sea themed parties. Image1

Turtle Plates (x 8)

£8.00
Make your under the sea birthday party look amazing with our sea creature garland, turtle plates, napkins, shark cups and a cupcake kit. Image1

Under The Sea Turtle Set

£63.75£55.00
Coming Soon
Our party napkins, in the shape of turtles, are perfect as cocktail napkins or for an under-the-sea birthday party. Image1

Turtle Napkins (x 16)

£6.75
Blue Balloons & Streamers Kit Image1

Blue Balloons & Streamers Kit (x 52 balloons)

£36.00
Our beautiful blue seahorse napkins are perfect for an under the sea party. Image1

Seahorse Napkins (x 16)

£6.75
Our red napkins, in the shape of a lobster, make lovely cocktail napkins or are perfect for an under-the-sea party decorations. Image1

Lobster Napkins (x 16)

£6.75
If you're looking for birthday cake candles and cupcake candles our large candle pack is perfect. Image1

Rainbow Twisted Mini Candles (x 50)

£13.50
Our Happy Birthday garland, made with bright paper letters with scalloped details, adds a stylish and colourful decoration. Image1

Scallop Bright Happy Birthday Garland

£15.00
Our colourful garland, create with tissue paper fringes, adds brightness and texture to party walls and tables. Image1

Bright Fringe Garland

£21.50
Our birthday garland set includes one that spells out Happy Birthday and another with flag pennants, in bright colours. Image1

Happy Birthday Mini Matchbox Garland Set

£10.00
Add our striped napkins to your birthday party supplies, the blue shade is perfect if you want party napkins for baby showers too. Image1

Blue Stripe Large Napkins (x 16)

£6.75£5.00
Spotty Paper Tablecloth Image1

Spotty Paper Tablecloth

£13.50
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Under The Sea Party Supplies

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!