---
title: "mermaid costume for women — Niche Verdict: Worth a look (66/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/clothing-shoes-jewelry/mermaid-costume-for-women"
last_updated: "2026-07-14T04:38:42.512Z"
locale: en
meta:
  description: "mermaid costume for women shows no brand lock-in (top 5 brands take 24% of clicks), but a failed launch gate (market size, growth, or returns) keeps it on the watch list."
  "og:description": "mermaid costume for women shows no brand lock-in (top 5 brands take 24% of clicks), but a failed launch gate (market size, growth, or returns) keeps it on the watch list."
  "og:title": "mermaid costume for women — Niche Verdict: Worth a look (66/100) | Amazon United States - Flapen"
---

Back to Flapen home

# **mermaid costume for women**

**Worth a look**

Shows no brand lock-in (top 5 brands take 24% of clicks), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 56Growth 68Conversion 9Competition 96Returns 28Price range 84Avg price 95Brand share 97Review moat 75Quality gap 73

**Brand share**

**Incredible****24%**

top-5 brand share — no brand owns this niche

**Competition**

**Incredible****18%**

top-5 click share — an open shelf

**Avg price**

**Incredible****$22.82**

avg listing price — sweet spot $15–$100

**Price range**

**Great****$5.54–$77.53**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Review moat**

**Great****493.97**

avg incumbent reviews — the moat a new listing must climb

**Quality gap**

**Good****4.3★**

avg incumbent rating — lower means beatable quality

**Growth**

**Good****+49.4%**

90-day search growth — must beat 0% to launch

**Market size**

**Good****$424K**

$424K/yr · 2.6M searches

**Returns**

**Okay****5.7%**

return rate — above 6% kills the launch gate

**Conversion**

**Bad****0.7%**

search→purchase rate — share of searches ending in a sale

## **Competition**

Clicks spread well past the top 5 (18% combined) — an open shelf where new products get seen.

**Brands**

**90 **▲rising

**Sellers**

**108**

**Top-5 brand share**

**24%**

**Open market**

**74%**

- Rannyfol7% - AOBUTE7% - color cosplayer5% - Nicute3% - BTFBM3% - VOTUGUBY2%

## **Product shelf**

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%2%$8K4%$17K6%$25K8%$34K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)2 products missing review or click data not plotted

All 122 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Stunning Mermaid Elf Ear Cuffs with Pearl Tassel Non Piercing Elven Wrap Clip on Earring for Anime Cosplay Costumes Halloween Mermaid Accessories Women Men (Light Blue One Size)](https://m.media-amazon.com/images/I/314SOPJB6jL.jpg)**Stunning Mermaid Elf Ear Cuffs with Pearl Tassel Non Piercing Elven Wrap Clip on Earring for Anime Cosplay Costumes Halloween Mermaid Accessories Women Men (Light Blue One Size)**Rannyfol**$13.89**4.5★17 rev](https://www.amazon.com/dp/B0FB9C56GL) [2![color cosplayer Mermaid Yoga Print Leggings for Women Plus Size Fish Scale High Waisted Pants Halloween Costume Tights Blue-Green](https://m.media-amazon.com/images/I/41xaMnDL7VL.jpg)**color cosplayer Mermaid Yoga Print Leggings for Women Plus Size Fish Scale High Waisted Pants Halloween Costume Tights Blue-Green**color cosplayer**$19.67**4.2★1,227 rev](https://www.amazon.com/dp/B09LHDS96F) [3![Nicute Big Sequin Skirt Short Mermaid Skirt Sparkly Metallic Belly Dance Rave Costume for Women (Pink)](https://m.media-amazon.com/images/I/517K4U0iUHL.jpg)**Nicute Big Sequin Skirt Short Mermaid Skirt Sparkly Metallic Belly Dance Rave Costume for Women (Pink)**Nicute**$13.41**4.0★71 rev](https://www.amazon.com/dp/B0BB2S8S45) [4![Womens Tennis Skirt Pleated Athletic Skirt with Shorts Pocket High Waisted Mermaid Golf Skort for Workout Pickleball L](https://m.media-amazon.com/images/I/51lcjtOJqeL.jpg)**Womens Tennis Skirt Pleated Athletic Skirt with Shorts Pocket High Waisted Mermaid Golf Skort for Workout Pickleball L**VOTUGUBY**$27.16**4.5★123 rev](https://www.amazon.com/dp/B0DZCT9W9J) [5![TWINKLEDE Sequin Mermaid Skirt Sparkly Blue Belly Dance Costume Mini Wrap Skirts for Women (D Light Blue)](https://m.media-amazon.com/images/I/5118W7R2W+L.jpg)**TWINKLEDE Sequin Mermaid Skirt Sparkly Blue Belly Dance Costume Mini Wrap Skirts for Women (D Light Blue)**TWINKLEDE**$15.01**4.1★190 rev](https://www.amazon.com/dp/B0B1D6CH52)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Women Crochet Cover-Up Skirt Triangle Shawl Mermaid Skirt Hollow Out Fishnet Shell Swimwear Bikini Cover up Khaki](https://m.media-amazon.com/images/I/41S5vcuuqfL.jpg)**Women Crochet Cover-Up Skirt Triangle Shawl Mermaid Skirt Hollow Out Fishnet Shell Swimwear Bikini Cover up Khaki**SWAKER**$16.64**9 rev3mo ago](https://www.amazon.com/dp/B0GVJS4M2D) [![Wehhbtye 7 Pcs Halloween Mermaid Costume for Women Adult Mermaid Tube Top Skirt Costume with Curly Wig and Sequin Purse Shell Necklace Bracelet Waist Chain for Halloween Cosplay Dress Up Theme Party](https://m.media-amazon.com/images/I/5161C3Z3HWL.jpg)**Wehhbtye 7 Pcs Halloween Mermaid Costume for Women Adult Mermaid Tube Top Skirt Costume with Curly Wig and Sequin Purse Shell Necklace Bracelet Waist Chain for Halloween Cosplay Dress Up Theme Party**Wehhbtye**$28.49**74 rev3mo ago](https://www.amazon.com/dp/B0GVHB6C9L) [![6pcs Mermaid Costume Accessories Set for Women Adjustable Halter Crop Top Bra Shell Crochet Siren Skirt for Adult Starfish Hair Clips Pearl Bracelet Body Glitter Gel for Halloween Beach Beige](https://m.media-amazon.com/images/I/51peK6T-muL.jpg)**6pcs Mermaid Costume Accessories Set for Women Adjustable Halter Crop Top Bra Shell Crochet Siren Skirt for Adult Starfish Hair Clips Pearl Bracelet Body Glitter Gel for Halloween Beach Beige**Vermeyen**$17.77**1 rev3mo ago](https://www.amazon.com/dp/B0GKZWYTNF) [![4PCS Mermaid Costume Accessories for Women Shell Crochet Fishnet Cover Up Skirt Starfish Hair Clips Seashell Necklace Summer Beach Vacation (Khaki-A)](https://m.media-amazon.com/images/I/517inpt2bwL.jpg)**4PCS Mermaid Costume Accessories for Women Shell Crochet Fishnet Cover Up Skirt Starfish Hair Clips Seashell Necklace Summer Beach Vacation (Khaki-A)**UHFYHH**$15.74**24 rev3mo ago](https://www.amazon.com/dp/B0GT4KM75F) [![4PCS Mermaid Costume Accessories for Women Shell Crochet Fishnet Cover Up Skirt Starfish Hair Clips Seashell Necklace Summer Beach Vacation (Pink-F)](https://m.media-amazon.com/images/I/51-u0UvhqnL.jpg)**4PCS Mermaid Costume Accessories for Women Shell Crochet Fishnet Cover Up Skirt Starfish Hair Clips Seashell Necklace Summer Beach Vacation (Pink-F)**UHFYHH**$16.51**24 rev3mo ago](https://www.amazon.com/dp/B0GT4B4D2D)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![DERAX Womens Satin Silk Midi Mermaid Skirt Bodycon High Waisted Flowy Ruffled Tiered Fishtail Skirts Lake Blue M](https://m.media-amazon.com/images/I/31wiqVH0lWL.jpg)**DERAX Womens Satin Silk Midi Mermaid Skirt Bodycon High Waisted Flowy Ruffled Tiered Fishtail Skirts Lake Blue M**DERAX**$27.65**4.6★**▲ 218%**](https://www.amazon.com/dp/B0GCZW69G4) [![Wehhbtye 7 Pcs Halloween Mermaid Costume for Women Adult Mermaid Tube Top Skirt Costume with Curly Wig and Sequin Purse Shell Necklace Bracelet Waist Chain for Halloween Cosplay Dress Up Theme Party](https://m.media-amazon.com/images/I/5161C3Z3HWL.jpg)**Wehhbtye 7 Pcs Halloween Mermaid Costume for Women Adult Mermaid Tube Top Skirt Costume with Curly Wig and Sequin Purse Shell Necklace Bracelet Waist Chain for Halloween Cosplay Dress Up Theme Party**Wehhbtye**$28.49**4.4★**▲ 213%**](https://www.amazon.com/dp/B0GVHB6C9L) [![Zoestar Light Up Mermaid Long Skirt LED Beach Fish Scale Skirts Glow Party Club Mermaid Costume for Women (Green)](https://m.media-amazon.com/images/I/41Dz5GtG13L.jpg)**Zoestar Light Up Mermaid Long Skirt LED Beach Fish Scale Skirts Glow Party Club Mermaid Costume for Women (Green)**Zoestar**$22.54**5.0★**▲ 212%**](https://www.amazon.com/dp/B0GFCV3H5R) [![BAISHENGGT Womens Floral Boho Maxi Skirts Elastic High Waisted Ruched Stretchy Elegant Mermaid Casual Long Skirt Solid Black S](https://m.media-amazon.com/images/I/31pnQormnnL.jpg)**BAISHENGGT Womens Floral Boho Maxi Skirts Elastic High Waisted Ruched Stretchy Elegant Mermaid Casual Long Skirt Solid Black S**BAISHENGGT**$24.76**4.4★**▲ 208%**](https://www.amazon.com/dp/B0G8GNGWML) [![Women Crochet Cover-Up Skirt Triangle Shawl Mermaid Skirt Hollow Out Fishnet Shell Swimwear Bikini Cover up Khaki](https://m.media-amazon.com/images/I/41S5vcuuqfL.jpg)**Women Crochet Cover-Up Skirt Triangle Shawl Mermaid Skirt Hollow Out Fishnet Shell Swimwear Bikini Cover up Khaki**SWAKER**$16.64**4.8★**▲ 207%**](https://www.amazon.com/dp/B0GVJS4M2D)

**~~View all trending →~~**

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — +49.4% search growth over the last 90 days.

200K150KSpike '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay

Peak months: Sep, Oct · busiest ÷ quietest = 27.7×

## **Reviews**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Quality-Overall**13%

*“The little barrettes are actually decent quality”*

**Size-Overall**10%

*“This is perfect length my daughter absolutely loves it”*

**Brightness/Shine/Glow**9%

*“Perfect sparkle”*

**Color**8%

*“Colors are accurate”*

**Value For Money**6%

*“Great Value For The Money”*

**Ease Of Use**4%

*“Easy to use”*

**Shape/Style**4%

*“Very stylish”*

**Comfort-Overall**4%

*“Super comfortable”*

**Advertised Vs Actual Product**4%

*“As described”*

**Design-Overall**3%

*“Its an elegant piece that feels thoughtfully made”*

### **What buyers complain about **

**Size-Overall**26%

*“Too big”*

**Color**10%

*“Color looked different”*

**Advertised Vs Actual Product**7%

*“Not as described”*

**Quality-Overall**5%

*“Poor quality control”*

**Durability**4%

*“Broke after a few uses”*

**Thickness**3%

*“also very chunky”*

**Material Quality**2%

*“Cheap material”*

**Allergies**2%

*“very itchy”*

**Brightness/Shine/Glow**1%

*“I will say that the white/metalic-ness of this is not as shiny as depicted on the picture so I am a little disappointed”*

**Strength**1%

*“though the material is delicate and can snag if handled roughly”*

### **Top return reasons **

**Size-Overall**31%

**Waist Fit**11%

**Length**7%

**Color**6%

**Material Quality**6%

**Advertised Vs Actual Product**5%

**Quality-Overall**3%

**Hip Fit**3%

**Transparency**3%

**Chest Fit**2%