Mermaid Birthday Party Supplies

222 products

222 products


Let us lend a fin and help you create a magical under the sea celebration! Choose from a variety of whimsical and delightful designs that are sure to make her mermaid themed birthday one for the books. From fun décor and balloons to plates, banners and other small accessories, we have everything you need to throw a dreamy underwater celebration.

🧜♀️ Mermaid Birthday Party Supplies | Pretty Day Canada

Make waves with Pretty Day’s whimsical Mermaid Birthday Party Supplies — your go-to in Canada for dreamy, under-the-sea birthday decor. Whether you're planning a magical celebration for a mermaid-loving child or curating an Insta-worthy birthday bash, this mermaid party delivers sparkle, shells, and sea-inspired charm.

✨ Dive into our curated collection, filled with:


🎈 Perfect for:


🎉 Why You'll Love It:

  • Aesthetic pastel hues with iridescent and glittery accents

  • Beautiful, coordinated designs like Meri Meri Mermaid party supplies in Canada

  • High-quality products shipped from within Canada — no duties, no delays

🛍️ Whether you're planning a full-blown under the sea birthday party or searching for a unique mermaid balloon garland, Pretty Day’s Mermaid collection brings your ocean fantasy to life.

💫 Shop now and throw a celebration your little mermaid will never forget!