---
title: "Mermaid Bathing Suit for Girls — Amazon US Product Research"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/mermaid-bathing-suit-for-girls"
last_updated: "2026-08-12T09:18:22.832Z"
locale: en
meta:
description: "Amazon product research for mermaid bathing suit for girls: demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:description": "Amazon product research for mermaid bathing suit for girls: demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:title": "Mermaid Bathing Suit for Girls — Amazon US Product Research"
---
# **Mermaid Bathing Suit for Girls**
**Worth a look**
Shows no brand lock-in (top 5 brands take 34% of clicks), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 16Growth 95Conversion 11Competition 95Returns 39Price range 76Avg price 84Brand share 96Review moat 70Quality gap 25
**Brand share**
**Incredible****34%**
top-5 brand share — no brand owns this niche
**Growth**
**Incredible****+111.8%**
90-day search growth — must beat 0% to launch
**Competition**
**Incredible****18%**
top-5 click share — an open shelf
**Avg price**
**Great****$18.48**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$9.43–$32.71**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Review moat**
**Good****708.85**
avg incumbent reviews — the moat a new listing must climb
**Returns**
**Okay****3.9%**
return rate — above 5% kills the launch gate
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Market size**
**Bad****$64K**
$64K/yr · 414K searches
**Conversion**
**Bad****0.8%**
search→purchase rate — share of searches ending in a sale
**Signals**[** Trending**](https://flapen.com/research/niches?market=us&signal=trending "Search growth > 100% (90d)") [** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%")
## **Is mermaid bathing suit for girls profitable on Amazon?**
According to Flapen's Amazon United States niche tracking, mermaid bathing suit for girls is a $64K/yr Amazon United States market (414K searches/yr). The top 5 brands hold 34% of demand. Demand peaks in May–Jun–Jul–Aug. Verdict: Worth a look — 59/100.
Data updated Jul 20, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **mermaid bathing suit for girls market size & sales**
Units sold, revenue, conversion and listing quality across the tracked shelf.
- **Units sold / yr**
- **3K–4K**
- avg 0–100/product
- **Revenue / yr**
- **$55K–$74K**
- units × avg price
- **Conversion rate**
- **0.8%**
- **Avg BSR**
- **#788**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **88%**
- **Out of stock**
- **1.3%**
- **Avg brand age**
- **32 months**
- **Avg seller age**
- **164 days**
## **Competition: brands, sellers & click share**
Clicks spread well past the top 5 (18% combined) — an open shelf where new products get seen.
**Brands**
**41 **▼falling
**Sellers**
**44**
**Top-5 brand share**
**34%**
Top 20: 83%
**Top-5 click share**
**18%**
Top 20: 49%
**Open market**
**61%**
- GALLDEALS8% - swimsobo7% - Wfundeals7% - HONISEN6% - ALISISTER5% - CHILDRENSTAR5%
## **mermaid bathing suit for girls demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +111.8% search growth over the last 90 days.
18K13KSpike '25Prime Day '25Black Friday '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: May, Jun, Jul, Aug · busiest ÷ quietest = 5.8×
[**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/mermaid-bathing-suit-for-girls/trend)
## **Top mermaid bathing suit for girls search terms shoppers use**
The exact queries shoppers type, with yearly volume, growth and conversion.
- **mermaid swimsuit for girls**95K/yr+123.9%0.5% conv. - **mermaid bathing suit for girls**69K/yr+94.0%0.5% conv. - **mermaid swimsuit**54K/yr+137.4%0.4% conv. - **mermaid bathing suit**36K/yr+155.4%0.4% conv. - **girls mermaid swimsuit**31K/yr+90.8%0.5% conv. - **toddler mermaid swimsuit**21K/yr+98.7%0.6% conv. - **mermaid swimsuit 4t**7K/yr+202.4%0.8% conv. - **mermaid swim suit**9K/yr+113.4%0.4% conv. - **mermaid swimsuit for girls 4-6**24K/yr-14.5%0.5% conv. - **mermaid toddler swimsuit**8K/yr+124.0%0.3% conv. [**All search terms **](https://flapen.com/research/us/clothing-shoes-jewelry/mermaid-bathing-suit-for-girls/search-terms)
## **Top mermaid bathing suit for girls 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%$1K4%$3K6%$4K8%$5K101001K10K 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**swimsobo Toddler Girls Swimsuits 3-4T 1 Piece Mermaid Bathing Suit Blue Cute Swimwear**swimsobo**$16.78**4.5★442 rev](https://www.amazon.com/dp/B0DG4XKGP5) [2**GALLDEALS Girls Swimsuit 3 Piece Bathing Suits Flounce Ruffle Tankini Set Beach Swimwear with Cover Ups Skirt for 3-10 Years**GALLDEALS**$22.31**4.8★183 rev](https://www.amazon.com/dp/B0F83KK8D1) [3**Wfundeals Little Girls Swimsuits 3Pcs Bathing Suits Princess Bikini Set with Cover Up Skirt for 5-6 Years Toddler Purple**Wfundeals**$24.53**4.8★80 rev](https://www.amazon.com/dp/B0FVSL25WM) [4**ALISISTER Girls Swimsuit Size 6 Mermaid Bathing Suits 3 Piece Little Fish Scales Animal Bikini Sets with Cover Up Skirt Summer Beach Swimwear 5 Year Old**ALISISTER**$20.53**4.7★553 rev](https://www.amazon.com/dp/B0DKJKYGXF) [5**Mermaid Swimsuit for Girls Bathing Suit Size 5-6 Years Old One Piece Sleeveless Swimwear for Birthday**Nokecina**$11.76**4.6★975 rev](https://www.amazon.com/dp/B0BYMWMMMH)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Wfundeals Little Girls Swimsuits 3Pcs Bathing Suits Princess Bikini Set with Cover Up Skirt for 5-6 Years Toddler Purple**Wfundeals**$24.53**80 rev9mo ago](https://www.amazon.com/dp/B0FVSL25WM) [**Wfundeals Little Girls Swimsuits 3Pcs Bathing Suits Princess Bikini Set with Cover Up Skirt for 5-6 Years Toddler Blue**Wfundeals**$24.34**80 rev9mo ago](https://www.amazon.com/dp/B0FVSL6K1H) [**knemmy Girls One Piece Swimsuit Colorful Mermaid Bathing Suits Cute Kids Princess Beach Swimwear 2-10 Years**knemmy**$12.66**236 rev1y ago](https://www.amazon.com/dp/B0F8VP453S) [**GALLDEALS Girls Swimsuit 3 Piece Bathing Suits Flounce Ruffle Tankini Set Beach Swimwear with Cover Ups Skirt for 3-10 Years**GALLDEALS**$22.31**183 rev1y ago](https://www.amazon.com/dp/B0F83KK8D1) [**GALLDEALS Girls Swimsuit 3 Piece Bathing Suits Flounce Ruffle Tankini Set Beach Swimwear with Cover Ups Skirt for 3-10 Years Purple Pink**GALLDEALS**$24.25**183 rev1y ago](https://www.amazon.com/dp/B0F83KJB7V)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**GALLDEALS Girls Swimsuit 3 Piece Bathing Suits Flounce Ruffle Tankini Set Beach Swimwear with Cover Ups Skirt for 3-10 Years Blue**GALLDEALS**$24.37**4.8★**▲ 18%**](https://www.amazon.com/dp/B0F83KG6S3) [**Wfundeals Little Girls Swimsuits 3Pcs Bathing Suits Princess Bikini Set with Cover Up Skirt for 5-6 Years Toddler Blue**Wfundeals**$24.34**4.8★**▲ 15%**](https://www.amazon.com/dp/B0FVSL6K1H) [**Wfundeals Little Girls Swimsuits 3Pcs Bathing Suits Princess Bikini Set with Cover Up Skirt for 5-6 Years Toddler Purple**Wfundeals**$24.53**4.8★**▲ 11%**](https://www.amazon.com/dp/B0FVSL25WM) [**LUOUSE Girls Sparkle Swimsuits One Piece Quick Dry Crossback Hawaiian Beach Swimwear Bathing Suit with Adjustable Strap 7t - 8t**LUOUSE**$9.43**4.3★**▲ 10%**](https://www.amazon.com/dp/B0BS3K3RNZ) [**Girls Bikin Swimsuit Mermaid Bathing Suits Adjustable Ruffle Summer Beach Two Piece Swimwear Size 6**LIFAky**$15.49**4.6★**— 9%**](https://www.amazon.com/dp/B0DP2F1MW6)
**~~View all trending →~~**
## **What reviews say buyers love and hate about mermaid bathing suit for girls**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**38%
*“Fits well”*
**Quality-Overall**16%
*“Seems well made”*
**Color**7%
*“Beautiful colors”*
**Advertised Vs Actual Product**5%
*“true to the picture”*
**Material Quality**4%
*“The material is comfortable”*
**Stretchability/Expandability/Elasticity**3%
*“The fabric is stretchy and soft”*
**Value For Money**3%
*“Decent value for the cost”*
**Strap/String Quality**3%
*“Straps are adjustable”*
**Soft Feel**2%
*“Perfect bathing suit soft and stretchy”*
**Comfort-Overall**2%
*“it fits comfortably”*
### **What buyers complain about **
**Size-Overall**38%
*“Runs large”*
**Material Quality**8%
*“Made cheaply with poor material”*
**Strap/String Quality**5%
*“Likely straps will get ruined in washing machine”*
**Brightness/Shine/Glow**4%
*“not as sparkly as advertised”*
**Lining Quality**4%
*“Lining in shorts won't cover sensitive areas”*
**Quality-Overall**3%
*“Poor Quality /Falls apart immediately”*
**Thin**2%
*“The material is somewhat thin”*
**Durability**2%
*“Fell apart after wearing for one day INDOOR”*
**Color**2%
*“Back of the shorts lost color”*
**Length**2%
*“it fits a smidge long on the torso”*
### **Top return reasons **
**Size-Overall**69%
**Length**5%
**Chest Fit**4%
**Waist Fit**4%
**Material Quality**3%
**Advertised Vs Actual Product**2%
**Hip Fit**2%
**Quality-Overall**2%
**Color**1%
**Strap/String Quality**1%
## **Common mermaid bathing suit for girls questions**
- **Is mermaid bathing suit for girls profitable to sell on Amazon United States?**
- The niche generates $64K/yr across 99 tracked products. 4 of 27 products launched in the last 360 days are still selling. 90-day search growth is +111.8%. Flapen's verdict: Worth a look (59/100).
- **How competitive is the mermaid bathing suit for girls niche?**
- 41 brands and 44 sellers compete. The top 5 products take 18% of clicks and top 5 brands hold 34% of demand.
- **What do buyers complain about in mermaid bathing suit for girls?**
- Top complaints mined from reviews: Size-Overall, Material Quality, Strap/String Quality. The return rate is 3.9%.
- **When does demand for mermaid bathing suit for girls peak?**
- Demand peaks in May–Jun–Jul–Aug; the busiest month runs 5.8× the quietest.
- **What does it cost to enter the mermaid bathing suit for girls niche?**
- Listings span $9.43–$32.71; the average listing price is $18.48 (sweet spot $15–$100). The average incumbent carries 709 reviews — the moat a new listing must climb.
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