---
title: "Mermaid Costume for Women — Amazon US Product Research"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/mermaid-costume-for-women"
last_updated: "2026-08-12T09:18:13.344Z"
locale: en
meta:
description: "Amazon product research for mermaid costume for women: $35K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:description": "Amazon product research for mermaid costume for women: $35K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:title": "Mermaid Costume for Women — Amazon US Product Research"
---
# **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 23Price 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**
**Bad****5.7%**
return rate — above 5% kills the launch gate
**Conversion**
**Bad****0.7%**
search→purchase rate — share of searches ending in a sale
**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%") [** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500") [** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%")
## **Is mermaid costume for women profitable on Amazon?**
According to Flapen's Amazon United States niche tracking, mermaid costume for women is a $424K/yr Amazon United States market (2.6M searches/yr). The top 5 brands hold 24% of demand. Demand peaks in Sep–Oct. Verdict: Worth a look — 66/100.
Data updated Jul 10, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **mermaid costume for women market size & sales**
Units sold, revenue, conversion and listing quality across the tracked shelf.
- **Units sold / yr**
- **30K–40K**
- avg 100–250/product
- **Revenue / yr**
- **$685K–$913K**
- units × avg price
- **Conversion rate**
- **0.7%**
- **Avg BSR**
- **#15,833**
- **Page quality**
- **0%**
- **Prime**
- **99%**
- **Sponsored**
- **80%**
- **Out of stock**
- **7.3%**
- **Avg brand age**
- **33 months**
- **Avg seller age**
- **166 days**
## **Competition: brands, sellers & click share**
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%**
Top 20: 51%
**Top-5 click share**
**18%**
Top 20: 41%
**Open market**
**74%**
- Rannyfol7% - AOBUTE7% - color cosplayer5% - Nicute3% - BTFBM3% - VOTUGUBY2%
## **mermaid costume for women 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×
[**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/mermaid-costume-for-women/trend)
## **Top mermaid costume for women search terms shoppers use**
The exact queries shoppers type, with yearly volume, growth and conversion.
- **mermaid accessories**385K/yr+62.3%1.2% conv. - **mermaid skirt**333K/yr+37.5%0.2% conv. - **mermaid costume**265K/yr+53.0%0.4% conv. - **mermaid costume women**787K/yr+12.5%0.4% conv. - **mermaid outfit women**94K/yr+114.9%0.3% conv. - **mermaid accessories women**149K/yr+88.5%1.0% conv. - **mermaid outfit**60K/yr+86.8%0.4% conv. - **mermaid skirt women**93K/yr+20.5%0.2% conv. - **adult mermaid costume**55K/yr+38.0%0.4% conv. - **mermaid costume adult**49K/yr+27.6%0.4% conv. [**All search terms **](https://flapen.com/research/us/clothing-shoes-jewelry/mermaid-costume-for-women/search-terms)
## **Top mermaid costume for women products & what they sell for**
Every tracked product — its share of the shelf, its review moat, and what it sells for.
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★)
All 24 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)**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**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)**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**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)**TWINKLEDE**$15.01**4.1★190 rev](https://www.amazon.com/dp/B0B1D6CH52)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Avanova Women Ruched Mermaid Maxi Skirt High Waisted Bodycon Black Medium**Avanova**$25.83**4 rev5mo ago](https://www.amazon.com/dp/B0GMPNGT7F) [**Womens Bikini Mermaid Shirts Funny Women 3D Fake Abs Body Sparkly Shirt with Skin Abs Shirts for Womens Fun Festival Shirts**Goodstoworld**$13.04**23 rev5mo ago](https://www.amazon.com/dp/B0GLFHKRJH) [**XZQTIVE Starfish Pearl Waist Chain Belts for Women Mermaids Seashell Pearl Belly Chain Gold Pirate Rave Festival Summer Bikini Beach Jewelry Accessories**XZQTIVE**$11.78**19 rev8mo ago](https://www.amazon.com/dp/B0FZ7MG2CL) [**RIOSO Mermaid Costume for Women Starfish Shell Crochet Cover Up Skirt Mermaid Jewelry Accessories**RIOSO**$21.65**24 rev1y ago](https://www.amazon.com/dp/B0FFMSZJLH) [**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**17 rev1y ago](https://www.amazon.com/dp/B0FB9C56GL)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Womens Bikini Mermaid Shirts Funny Women 3D Fake Abs Body Sparkly Shirt with Skin Abs Shirts for Womens Fun Festival Shirts**Goodstoworld**$13.04**4.7★**▲ 206%**](https://www.amazon.com/dp/B0GLFHKRJH) [**Avanova Women Ruched Mermaid Maxi Skirt High Waisted Bodycon Black Medium**Avanova**$25.83**4.6★**▲ 187%**](https://www.amazon.com/dp/B0GMPNGT7F) [**Womens Green Mermaid Costume Sparkly Maxi Tail Skirts Elastic Waist Fancy Role Play Long Skirts S**AOBUTE**$30.33**4.3★**▲ 176%**](https://www.amazon.com/dp/B0C5M2PZ3L) [**SHENHE Womens High Waisted Mesh Maxi Skirt Bodycon Elegant Going Out Long Fishtail Skirt Turquoise Small**SHENHE**$31.99**4.7★**▲ 176%**](https://www.amazon.com/dp/B0F4XCNDYF) [**Superband Mermaid Tail for Swimming for Women and Adults Without Monofin**Superband**$24.22**4.1★**▲ 160%**](https://www.amazon.com/dp/B0DX23WPFS)
**~~View all trending →~~**
## **What reviews say buyers love and hate about mermaid costume for women**
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%
## **Common mermaid costume for women questions**
- **Is mermaid costume for women profitable to sell on Amazon United States?**
- The niche generates $424K/yr across 122 tracked products. 5 of 31 products launched in the last 360 days are still selling. 90-day search growth is +49.4%. Flapen's verdict: Worth a look (66/100).
- **How competitive is the mermaid costume for women niche?**
- 90 brands and 108 sellers compete. The top 5 products take 18% of clicks and top 5 brands hold 24% of demand.
- **What do buyers complain about in mermaid costume for women?**
- Top complaints mined from reviews: Size-Overall, Color, Advertised Vs Actual Product. The return rate is 5.7% — above our launch gate.
- **When does demand for mermaid costume for women peak?**
- Demand peaks in Sep–Oct; the busiest month runs 27.7× the quietest.
- **What does it cost to enter the mermaid costume for women niche?**
- Listings span $5.54–$77.53; the average listing price is $22.82 (sweet spot $15–$100). The average incumbent carries 494 reviews — the moat a new listing must climb.
## **Related niches to research next**
Same-category niches scoring near this one — the next ones worth researching.
- 72 [**first communion gifts for boys**](https://flapen.com/research/us/clothing-shoes-jewelry/first-communion-gifts-for-boys)$398K/yr+223.5%**Worth a look**- 72 [**fifa world cup 2026 tshirt**](https://flapen.com/research/us/clothing-shoes-jewelry/fifa-world-cup-2026-tshirt)$177K/yr>1,000%**Worth a look**- 72 [**american flag hat**](https://flapen.com/research/us/clothing-shoes-jewelry/american-flag-hat)$764K/yr+428.8%**Worth a look**- 72 [**white socks men**](https://flapen.com/research/us/clothing-shoes-jewelry/white-socks-men)$3.0M/yr+13.3%**Launch it**- 72 [**american flag overalls**](https://flapen.com/research/us/clothing-shoes-jewelry/american-flag-overalls)$662K/yr>1,000%**Worth a look**- 73 [**white ankle socks for men**](https://flapen.com/research/us/clothing-shoes-jewelry/white-ankle-socks-for-men)$448K/yr+88.3%**Worth a look**[**All Clothing, Shoes & Jewelry niches **](https://flapen.com/research/us/clothing-shoes-jewelry)