10 Mermaid Halloween Costumes For Kids
- Olivia Gilbert

- Sep 11
- 3 min read

With Halloween just around the corner, it's time to start thinking about those costumes!
Halloween isn't just a day where you get loads of free candy, it's a day to be anything or anyone you want! If it's a mythical sea creature your kid wants to be, consider one of these magical mermaid Halloween costumes.
Here are 10 mermaid Halloween costumes for girls and boys.
*This article includes affiliate links. If you shop from these links I get a small commission at no extra cost to you. This helps keep my website afloat.

Transform into mermaid royalty with this mermaid princess costume set.
For $24.99 you get this 9 piece mermaid set that comes with a gorgeous mermaid tail dress, a Little Mermaid Ariel wig, and a plethora of pretty mermaid princess accessories.

This mermaid costume set, for $19.97 comes complete with the necessities to be a pretty mermaid princess.
It has 3 different color options and is available for kids from 3-10 years old.

Rubie's Magical Mermaid Costume is a gorgeous flowwy mermaid costume that is available for $26.99.
This pretty blue dress is perfect for kids from 2-10 years of age.
The mermaid who dons this costume won't have to worry too much about being chilly while trick or treating because of its long sleeves.

For a frilly, sparkly mermaid costume with vibrant colors, consider this mermaid dress that comes with a tiara.
This one piece mermaid costume is made with comfortable, stretchy polyester material and is available for kids 3-10 years old.

To emulate Ariel's gorgeous mermaid tail in the live action Little Mermaid movie, try out this girl's mermaid costume.
This shimmering mermaid tail dress sells for $21.74 and is suitable for kids 3-12 years old.

Here's great dress to achieve a mermaid princess look. This set comes with a frilly, shiny, scaley mermaid dress and a handmade crown and mermaid scepter.
Bring some mermaid magic on Halloween with this soft polyester mermaid dress that sells for $21.97.

Light up a party with this exciting mermaid costume. This vibrant mermaid costume for girls lights up when things get dark, for a magical bioluminescent style mermaid look.
For $32.99, get this dress for your kid, as long as they are between the ages of 3 and 7.

For a spooky mermaid look, this dress is perfect. Be a zombie mermaid with this skeleton mermaid dress that comes in black with shiny hues of blue and silver accents.
For $32.99, Rubie's Girl's Zombie Mermaid Costume comes with everything you need to transform into a glamorous, yet dark and spooky, skeleton mermaid.

I didn't want to exclude the boys from this list of mermaid Halloween costumes. With this 5-piece set, a young boy can transform in to a merman king for $36.99.
Boys from age 3-12 can get that merman look with this boy's Halloween costume.

This one piece merman costume for boys comes with everything you need to become King Triton from The Little Mermaid.
Complete with a merman suit, arm pieces, a crown, and a wig/beard, young boys will get to feel magical and powerful for $89.99.
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I hope this article helped give you some mermaid Halloween inspo! If you can't dish out the sand dollars for one of these costumes, you can also use them for ideas on a home made mermaid costume.
Have a mermazing Halloween!
About the author

Shello! My name is Mermaid Liv, a professional mermaid and content creator. I share my love of mermaiding through this blog, along with my Youtube channel.
If you've never heard of it before, mermaiding is a hobby, profession, and sport that involves wearing mermaid tails made for swimming.
I began making tails in 2013 and have continued my mermaid journey, starting my Youtube channel, working at a mermaid festival, performing at gigs, and being featured in the Netflix Docu Series MerPeople.
Follow me on Instagram for mermaid photos and videos: @the_real_mermaid_liv and be *shore* to check out my Youtube channel.



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