The Little Mermaid Mermaid Costume for Girls in blue and green, on a white background – perfect girls' gift from Little Pirates.
Mermaid Costume for Girls
29,90 € Select options
-10% Code SEPT10 valid until 16/10/2026

Mermaid Costume for Girls

20 reviews

29,90 €

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About
Customer reviews

Please note: be sure to read the size guide below carefully to choose the perfect size for you. Our products run small, so please choose one size larger than your usual size. (For example, if you usually wear a L, choose an XL).

Mon-Fri / 9AM-12PM, 2PM-5PM

Quality Product

Competitive prices

14-Day Satisfaction

If your daughter loves Disney’s The Little Mermaid, she’s sure to adore this mermaid costume for children. It’s the perfect girls’ fancy dress for Halloween parties. With this costume, your little girl can look just like Princess Ariel.

Matière

Polyester

Preparation and dispatchOur team prepares and dispatches your order within 24–48 hours, excluding weekends and public holidays.
Delivery and trackingMost orders arrive within 8–14 working days of dispatch. You’ll receive a tracking link so you can follow your parcel at any time. Unforeseen circumstances may occasionally cause delays.
ReturnsYou have 14 days from receiving your parcel to request a return. Contact us by email and we’ll explain the next steps.
Mermaid costume for girls

4 Years: Bust: 46 –50 cm, Waist: 48 cm, Length: 75 cm, Recommended height: 90 –100 cm

6 Age: Chest: 49-53 cm, Waist: 51 cm, Length: 82 cm, Recommended height: 100-110 cm

8 Age: Chest: 52-56 cm, Waist: 54 cm, Length: 89 cm, Recommended height: 110-120 cm

10 Age: Chest: 55-59 cm, Waist: 57 cm, Length: 96 cm, Recommended height: 120-130 cm

12 Age: Chest: 58-62 cm, Waist: 60 cm, Length: 103 cm, Recommended height: 130-140 cm

Mermaid Costume for Girls

The top is made from sparkling blue stretch fabric that imitates a mermaid’s scales, finished with a pretty purple bow, while the bottom perfectly recreates a mermaid’s tail with its frill and shimmering green fabric.

It will spark your child’s imagination and let them step into the fins of a magical and mysterious creature. With this costume, your little mermaid will be the most beautiful and original guest at any party!

Complete Fancy Dress Set

This mermaid costume for girls is absolutely stunning and will make the eyes of every little girl light up — especially those who love the magical world of mermaids. The costume is crafted from premium quality materials, ensuring excellent durability and outstanding comfort for your child.

The top features a bodice in shimmering fabric that perfectly mimics the texture of fish scales. The bottom consists of a long, flared skirt that echoes the iconic fish tail of a mermaid. The girls’ mermaid costume is available in several sizes, making it easy to find the perfect fit for your little one.

Detail view of the Mermaid Costume for Girls in blue and green, showing all available colours and features – Little Pirates Ireland.
Mermaid Costume for Girls in blue shown in a child's bedroom – stylish and cosy choice for girls from Little Pirates.

An Adorable Mermaid Costume

The mermaid costume for girls is a gorgeous fancy dress that will let your little princess transform into a legendary creature of the sea. The costume is made from premium quality materials that are soft and comfortable against your child’s delicate skin.

It’s also easy to put on and take off, thanks to a concealed zip at the back. This costume is perfect for birthday parties, costume nights, or simply for playing at home. Your child will be thrilled to slip into the role of a real mermaid and embark on magical adventures beneath the ocean waves.

Customer reviews
4.8

Based on 20 reviews

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4 years ago
Deadly cool item

Deadly cool item altogether

Patrice

4 years ago
Exactly like the photo

Exactly like the photo, delighted with it!

Philippe

4 years ago
Arrived quick, brilliant thanks :)

Arrived nice and quick, it's brilliant thanks :)

Mathilde

4 years ago
Class! Thanks :)

Class! Thanks :)

Monique

4 years ago
Thanks to the shop!! We love it

Thanks to the shop!! We love it

Marine

4 years ago
Brilliant item, shame about the box

Brilliant item, just the box packaging was a bit damaged, which is a shame

Nathalie