Mermaid & Under the Sea Birthday Ideas
Dive into a magical under-the-sea celebration with these mermaid party ideas — sparkly cakes, ocean decorations, and more.
Mermaid and ocean themes are enchanting for birthdays. From shimmering scales to ocean blues, it's one of the most visually stunning party themes you can do.
The Mermaid Cake
An ombre blue and teal buttercream cake with our Mermaid Cake Topper personalised with your child's name and age. Add edible pearls and shell-shaped chocolates for extra magic.
Ocean Colours
Teal, aqua, purple, and touches of gold or iridescent shimmer. These colours are gorgeous together and create a dreamy underwater atmosphere.
Easy Decorations
- Blue and teal streamers twisted to look like waves
- Iridescent balloons
- Fishnet draped over the table
- Seashells and starfish scattered as decor
Party Activities
Treasure hunt for "pearls" (painted pebbles), seashell painting, pass the parcel with ocean-themed prizes, and musical islands (like musical chairs but with towels as islands).
Find more themed toppers in our personalised cake toppers collection.
