---
title: "Baby Swimsuit Girl — $390K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/baby-swimsuit-girl"
last_updated: "2026-08-09T11:33:22.647Z"
locale: en
meta:
description: "Niche score 56/100 · $390K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 56/100 · $390K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Baby Swimsuit Girl — $390K/yr Amazon US Niche (2026) - Flapen"
---
# **baby swimsuit girl**
**Worth a look**
Shows a fragmented shelf (top 5 take 15% of clicks), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 55Growth 55Conversion 13Competition 96Returns 32Price range 81Avg price 82Brand share 81Review moat 50Quality gap 19
**Competition**
**Incredible****15%**
top-5 click share — an open shelf
**Avg price**
**Great****$17.62**
avg listing price — sweet spot $15–$100
**Brand share**
**Great****54%**
top-5 brand share — no brand owns this niche
**Price range**
**Great****$8.89–$43.99**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Good****$390K**
$390K/yr · 2.2M searches
**Growth**
**Good****+27.2%**
90-day search growth — must beat 0% to launch
**Review moat**
**Okay****1,534.11**
avg incumbent reviews — the moat a new listing must climb
**Returns**
**Okay****4.4%**
return rate — above 5% kills the launch gate
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Conversion**
**Bad****1.0%**
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%")
According to Flapen's Amazon United States niche tracking, baby swimsuit girl is a $390K/yr Amazon United States market (2.2M searches/yr). The top 5 brands hold 54% of demand. Demand peaks in Mar–Apr–May–Jun–Jul. Verdict: Worth a look — 56/100.
Data updated Jul 8, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **baby swimsuit girl market data**
- **Units sold / yr**
- **20K–25K**
- avg 100–250/product
- **Revenue / yr**
- **$352K–$441K**
- units × avg price
- **Conversion rate**
- **1.0%**
- **Avg BSR**
- **#39**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **91%**
- **Out of stock**
- **1.6%**
- **Avg brand age**
- **37 months**
- **Avg seller age**
- **166 days**
## **Competition & brand share**
Clicks spread well past the top 5 (15% combined) — an open shelf where new products get seen.
**Brands**
**35 **▼falling
**Sellers**
**47**
**Top-5 brand share**
**54%**
Top 20: 94%
**Top-5 click share**
**15%**
Top 20: 39%
**Open market**
**38%**
- UMELOK15% - RuffleButts14% - SODLON10% - Simple Joys by Carter's8% - Renotemy8% - Amazon Essentials7%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +27.2% search growth over the last 90 days.
90K70KBlack Friday '24Spike '25Black Friday '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Mar, Apr, May, Jun, Jul · busiest ÷ quietest = 6.3×
[**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/baby-swimsuit-girl/trend)
## **Top baby swimsuit girl search terms**
- **baby swimsuit girl**378K/yr+26.6%0.5% conv. - **baby girl swimsuit**353K/yr+15.8%0.4% conv. - **baby swimsuit**191K/yr+48.4%0.3% conv. - **2t swimsuit girl**165K/yr+31.5%1.2% conv. - **baby bathing suit girl**155K/yr+25.7%0.6% conv. - **baby girl bathing suit**133K/yr+11.8%0.4% conv. - **infant swimsuit girl**107K/yr+29.8%0.4% conv. - **toddler swim**99K/yr+34.6%0.0% conv. - **18 month swimsuit girl**74K/yr+51.8%1.2% conv. - **baby bathing suit**75K/yr+25.3%0.4% conv. [**All search terms **](https://flapen.com/research/us/clothing-shoes-jewelry/baby-swimsuit-girl/search-terms)
## **Top baby swimsuit girl products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%1%$4K2%$8K3%$12K4%$16K101001K10K 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**SODLON Baby Girl Swimsuit 6-12 Months Pink Strawberry Long Sleeve One-Piece Infant Bathing Suit Girl Beach Hat Swimwear**SODLON**$11.75**4.7★451 rev](https://www.amazon.com/dp/B0DR6174D2) [2**Baby Girl Swimsuit 6-9 Months Infant Baby Girl Bathing Suit 9-12 Months Long Sleeve Blue Daisy Floral Ruffle One-Piece Zipper Baby Rash Guard Swim Suit with Hat Summer Beach Essentials**Yhnslsf**$9.92**4.8★139 rev](https://www.amazon.com/dp/B0FZKQBVY1) [3**Infant Baby Girl Swimsuit One-Piece Long Sleeve Rash Guard with Hat Set Floral Zipper Bathing Suit Leopard Beach Wear (3-6 Months Flower#2)**YOUNGER TREE**$19.80**4.8★992 rev](https://www.amazon.com/dp/B0B3D6CL5Y) [4**RuffleButts Baby Girls UPF 50+ Sun Protection Novelty Print Long Sleeve One Piece Rash Guard Swimsuit with Zipper - Orange You The Sweetest 6-12m**RuffleButts**$28.11**4.9★7,321 rev](https://www.amazon.com/dp/B0CDCP3Y9V) [5**SODLON Baby Girl Swimsuit 6-12 Month Infant One-Piece Bathing Suit Cute Ruffle Cartoon Swimwear with Sunhat & Headband Summer Bow Tankini Bikini Baby Beach Essentials Blue Duck**SODLON**$12.00**4.7★155 rev](https://www.amazon.com/dp/B0FX44YPS6)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Amazon Essentials X Sofia Grainge Baby Girls Baby Girls and Toddler Two Piece Swim Suit Ivory Navy Even Stripe 4T**Amazon Essentials**$17.04**83 rev2mo ago](https://www.amazon.com/dp/B0FTZ5K2FB) [**Amazon Essentials X Sofia Grainge Baby Girls Baby Girls and Toddler Two Piece Swim Suit Ivory Lemon 2T**Amazon Essentials**$17.01**83 rev2mo ago](https://www.amazon.com/dp/B0FTZ59LZX) [**Simple Joys by Carters Baby and Toddler Girls 1-Piece Zip Rashguard**Simple Joys by Carter's**$15.87**7,463 rev2mo ago](https://www.amazon.com/dp/B09FTFWFNZ) [**Carters Girl 1-Piece Rashguard Blue 6M**Carter's**$14.76**50 rev5mo ago](https://www.amazon.com/dp/B0GHC8SXSM) [**HONGTEYA Baby Girl Swimsuit Toddler Bathing Suit Girl Summer Beach Bikini UPF 50+ Sun Protection Easy Dry Size 3M-5t (US Age 12 Months 18 Months Strawberry)**HONGTEYA**$11.38**79 rev6mo ago](https://www.amazon.com/dp/B0GC5R738P)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Amazon Essentials X Sofia Grainge Baby Girls Baby Girls and Toddler Two Piece Swim Suit Ivory Navy Even Stripe 4T**Amazon Essentials**$17.04**4.3★**▲ 30%**](https://www.amazon.com/dp/B0FTZ5K2FB) [**Amazon Essentials X Sofia Grainge Baby Girls Baby Girls and Toddler Two Piece Swim Suit Ivory Lemon 2T**Amazon Essentials**$17.01**4.3★**▲ 29%**](https://www.amazon.com/dp/B0FTZ59LZX) [**Carters Girl 1-Piece Rashguard Blue 6M**Carter's**$14.76**4.7★**▲ 28%**](https://www.amazon.com/dp/B0GHC8SXSM) [**UMELOK Baby Girls Swimwear Sets One Piece Rash Guard Swimsuit with Sun Hat (Pink Tropical jungle 9-12 months)**UMELOK**$15.94**4.6★**▲ 25%**](https://www.amazon.com/dp/B0BNH3W7FS) [**UMELOK Baby Girls Swimsuit One Piece Full Zip with Long Sleeve UPF 50+ Sun Protection Sunsuit Pink Flower 9M**UMELOK**$18.65**4.8★**▲ 24%**](https://www.amazon.com/dp/B0C1SC2QCK)
**~~View all trending →~~**
## **What buyers say about baby swimsuit girl**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**28%
*“Fits as expected”*
**Quality-Overall**17%
*“Good quality, easy to put on and take off”*
**Color**7%
*“The color is vibrant”*
**Material Quality**6%
*“the material is soft”*
**Value For Money**4%
*“Good deal”*
**Ease Of Use**3%
*“Plus its super convenient”*
**Stretchability/Expandability/Elasticity**3%
*“it stretches great”*
**Soft Feel**3%
*“I love that its gentle on her skin”*
**Design-Overall**2%
*“Cute design”*
**Water Resistance**2%
*“Great for pools”*
### **What buyers complain about **
**Size-Overall**46%
*“size down”*
**Zipper Quality**6%
*“Dumb zipper placement”*
**Quality-Overall**4%
*“cheap looking”*
**Durability**3%
*“not durable”*
**Material Quality**3%
*“the swimsuit material as a hat is odd to me”*
**Smell**3%
*“Smelled of chemicals”*
**Stretchability/Expandability/Elasticity**2%
*“the elastic on the hat”*
**Fastener Quality**1%
*“Snaps stopped working during first wear”*
**Pain Relief-Overall**1%
*“made my childs feet bleed while wearing it”*
**Sleeve Fit**1%
*“The sleeves are little long on her though”*
### **Top return reasons **
**Size-Overall**71%
**Length**9%
**Feet Fit**3%
**Waist Fit**2%
**Color**2%
**Advertised Vs Actual Product**2%
**Value For Money**1%
**Chest Fit**1%
**Hip Fit**1%
**Material Quality**1%
## **Common questions**
- **Is baby swimsuit girl profitable to sell on Amazon United States?**
- The niche generates $390K/yr across 161 tracked products. 28 of 81 products launched in the last 360 days are still selling. 90-day search growth is +27.2%. Flapen's verdict: Worth a look (56/100).
- **How competitive is the baby swimsuit girl niche?**
- 35 brands and 47 sellers compete. The top 5 products take 15% of clicks and top 5 brands hold 54% of demand.
- **What do buyers complain about in baby swimsuit girl?**
- Top complaints mined from reviews: Size-Overall, Zipper Quality, Quality-Overall. The return rate is 4.4%.
- **When does demand for baby swimsuit girl peak?**
- Demand peaks in Mar–Apr–May–Jun–Jul; the busiest month runs 6.3× the quietest.
- **What does it cost to enter the baby swimsuit girl niche?**
- Listings span $8.89–$43.99; the average listing price is $17.62 (sweet spot $15–$100). The average incumbent carries 1,534 reviews — the moat a new listing must climb.
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