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Mermaid Birthday Theme Party Ideas

Mermaid birthday party ideas, from Mermaid Shine and the Little Mermaid ranges to mermaid balloons, bunting and party bags.

  • Order by 1pm Mon–Fri for same-day despatch
  • Free delivery on qualifying orders
  • Next day delivery available at checkout

Kids balloons, inflated and delivered

Balloon displays and themed balloons in a box.

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Let our Mermaid party supplies help you create an epic Mermaid theme party!

If you want to make a splash at your Mermaid birthday party, then look no further than our Mermaid party ideas.

You can also enjoy free delivery on qualifying orders, but if you need your Mermaid themed party items in a hurry, we offer Next Day delivery too!

Mermaid Theme Birthday

The pearl of the sea, the mythical Mermaid is a great party theme for your little one, but getting the right Mermaid decorations for your party is equally as important. We have a great selection of Mermaid party themes and Mermaid party ideas for you to choose from.

Whatever Mermaid themed party you choose, you are in for a real treat.

Mermaid Themed Party

Our Mermaid themed party ranges have a style for everyone, whether you are looking for foiled Mermaid party supplies, cartoon mermaid party supplies or classic mermaid party supplies, we have the perfect themed mermaid decorations for your occasion, we even have Disney Mermaid party supplies!

Our range should help you come up with your perfect Mermaid birthday decorations and includes supplies such as filled party bags, party invitations, balloons, decorations and tableware, including cups, plates, napkins and tablecovers, as well as time saving ready to order party pack ideas. Why not make it even more special with one of our Mermaid Balloon in a Box gifts?

With Free and Next Day UK Delivery options available on all Mermaid party supplies and decorations, we are sure your party will become the stuff of legends.

Frequently asked questions

Which mermaid party ranges do you have?
Little Mermaid, mermaid friends, all mermaid and Mermaid Shine.
What else can I get?
Bunting, cake candles, cake toppers, napkins, party bags, balloons, banners, food boxes, decorations, party packs and more.
How do I plan a kids party?
Pick a theme, send invitations two to three weeks ahead, then choose tableware, decorations, games and party bags. Our guide on how to organise a birthday party for a child has a full checklist.
Can I get balloons delivered inflated?
How quickly can I get mermaid party supplies?
Orders placed before 1pm, Monday to Friday, are despatched the same day; choose a next day service at checkout if the party is soon. Delivery options.