Having a mermaid party for your party girl? You’re gonna need a mer-mazing mermaid cake to feed all those hungry guests! We have the pick of the best to be seen, from the easy DIY cakes that still look so impressive to the ones that only a professional can get right.
Tail scales and coral
This impressive-looking cake is actually quite simple to do at home. All you need is different colour icing for the fish scales that are punched out with a circle cutter. Buy or make the coral shapes and then add on the mermaid figure.

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Ombre mermaid tail
This crisply finished ombre cake has loads of fun elements to make an overall mermaid showpiece splash. The three-layer sponge is ombre purple sponge, the sharp icing is an ombre seascape and the decorative elements look like shells from the sea.

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Sandcastle Cake
I love this sandcastle cake, it looks so real! Just use different sized round tins for the turrets and decorate the icing with crushed crackers/ cookies to get the sand effect.

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Letter seascape
This letter cake is such an impressive cake and would really suit a slightly older girl’s birthday party. The sophisticated colours and piping are perfect for a mermaid party. Add on a perfectly iced mermaid tail for a finishing touch.

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Mermaid x unicorn
Have a child who can’t decide if they want a unicorn or a mermaid cake? Then just go for both with this gorgeous sea-dwelling mermaid unicorn! Ombre icing is used to great effect to make a sea swirl and exquisitely decorated fondant shells and starfish finish the look.

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Two-tier mermaid
Another cute use of mermaid scales makes this two-tier cake pretty and delicate. Easy to do yourself, just use pink and gold icing circles for the bottom tier and then decorate with fondant coral shapes. A sparkly number and translucent mermaid tail finish the look.

Marble mermaid
This glorious marble mermaid cake is just right for an under the sea theme party. The simple cake is given a big wow factor with the marble effect icing and easily crowned with a personalised mermaid name topper.

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Multi-tiered treasure cake
This cake is probably a bit over the top for most amateur bakers, but if you have a lot of guests expected then get this gorgeous cake commissioned. The gold detail along with the pastel tones really makes the cake pop and the beautiful detail on the top two-tiers will be hard to cut into when time comes to eat!

Seashore Sophistication
Pile on the ocean delights with this gorgeous confection in pale pastels. The details are in the decorated seashells and mini meringues so your cake will hit the right sweet note. With matching cupcakes and iced cookies, your treat table will be a big mermaid party hit.

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