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Updated October 2022
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BestReviews spends thousands of hours researching, analyzing, and testing products to recommend the best picks for most consumers. We only make money if you purchase a product through our links, and all opinions about the products are our own. Read more  
BestReviews spends thousands of hours researching, analyzing, and testing products to recommend the best picks for most consumers. We only make money if you purchase a product through our links, and all opinions about the products are our own. Read more  
BestReviews spends thousands of hours researching, analyzing, and testing products to recommend the best picks for most consumers. We buy all products with our own funds, and we never accept free products from manufacturers.Read more 
Bottom line
Pros
Cons
Best of the Best
Joy Join Little Girls Princess Mermaid Costume
Joy Join
Little Girls Princess Mermaid Costume
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Customer Favorite
Bottom Line

A stylish pick that comes with everything you need for the perfect Little Mermaid costume.

Pros

Includes a wig, costume, crown, and wand. The fabric is smooth and doesn't itch even for extended wear. The dress is fairly durable and the sequins are attached well.

Cons

The wig may get fairly frizzy and itchy over the course of a night.

Best Bang for the Buck
Spooktacular Creations Deluxe Mermaid Costume Set
Spooktacular Creations
Deluxe Mermaid Costume Set
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Budget-Friendly
Bottom Line

An affordable option that provides durability through well-made fabric and stitching.

Pros

The unique crown style stands out from other options. The included wig is comfortable, and the hair doesn't frizz up during use. The bottom completely flares out.

Cons

Some sequins may fall off during use.

Disney Ariel Costume for Girls
Disney
Ariel Costume for Girls
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Most Comprehensive
Bottom Line

High-quality material and fun design mix together to make a costume that will impress.

Pros

Has fun princess-inspired designs running throughout the material. Multi-tiered layers make for a quality look that is sure to impress. Easy to put on without additional help.

Cons

The bottom part of the dress may begin to fray after a while.

ALIZIWAY Little Girl Mermaid Princess Dress
ALIZIWAY
Little Girl Mermaid Princess Dress
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Simple Yet Solid
Bottom Line

With a scaled and lightweight design, this is a great pick for anyone to feel like a princess.

Pros

The fish-scale print adds a unique layer of fun to this dress. The material is soft and stretchy to fit comfortably. Has a shimmering and shiny look to it.

Cons

Many users noted that the sizing is a little large.

JerrisApparel Princess Mermaid Dress
JerrisApparel
Princess Mermaid Dress
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Exceptional Accessory
Bottom Line

A great dress mixed with a unique crown design makes this a great costume for consideration.

Pros

The purple and turquoise make for a standout look. The crown design is very pretty and its headband styling makes it comfortable to wear for an extended time.

Cons

The dress itself can get snagged and rip if you aren't careful.

HOW WE TESTED

We recommend these products based on an intensive research process that's designed to cut through the noise and find the top products in this space. Guided by experts, we spend hours looking into the factors that matter, to bring you these selections.

30
Models
Considered
60
Consumers
Consulted
22
Hours
Researched
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