---
title: "Maternity Swimsuit — $46K/mo Amazon US Product Research"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/maternity-swimsuit"
last_updated: "2026-08-12T11:47:31.232Z"
locale: en
meta:
description: "Amazon product research for maternity swimsuit: $46K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:description": "Amazon product research for maternity swimsuit: $46K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:title": "Maternity Swimsuit — $46K/mo Amazon US Product Research"
---
# **Maternity Swimsuit**
**Worth a look**
Shows a fragmented shelf (top 5 take 18% of clicks), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 62Growth 95Conversion 5Competition 96Returns 3Price range 76Avg price 95Brand share 33Review moat 71Quality gap 58
**Competition**
**Incredible****18%**
top-5 click share — an open shelf
**Growth**
**Incredible****+112.4%**
90-day search growth — must beat 0% to launch
**Avg price**
**Incredible****$32.82**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$6.43–$42.05**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Review moat**
**Good****678.02**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Good****$550K**
$550K/yr · 4.0M searches
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Okay****85%**
top-5 brand share — brands hold most of the demand
**Conversion**
**Bad****0.4%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Bad****11.3%**
return rate — above 5% kills the launch gate
**Signals**[** Trending**](https://flapen.com/research/niches?market=us&signal=trending "Search growth > 100% (90d)") [** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%")
## **Is maternity swimsuit profitable on Amazon?**
According to Flapen's Amazon United States niche tracking, maternity swimsuit is a $550K/yr Amazon United States market (4.0M searches/yr). The top 5 brands hold 85% of demand. Demand peaks in Apr–May–Jun–Jul. Verdict: Worth a look — 60/100.
Data updated Jul 14, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **maternity swimsuit market size & sales**
Units sold, revenue, conversion and listing quality across the tracked shelf.
- **Units sold / yr**
- **15K–20K**
- avg 100–250/product
- **Revenue / yr**
- **$492K–$656K**
- units × avg price
- **Conversion rate**
- **0.4%**
- **Avg BSR**
- **#6,216**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **96%**
- **Out of stock**
- **0.8%**
- **Avg brand age**
- **37 months**
- **Avg seller age**
- **167 days**
## **Competition: brands, sellers & click share**
Clicks spread well past the top 5 (18% combined) — an open shelf where new products get seen.
**Brands**
**17 **▼falling
**Sellers**
**26**
**Top-5 brand share**
**85%**
Top 20: 100%
**Top-5 click share**
**18%**
Top 20: 48%
**Open market**
**11%**
- Summer Mae49% - Charmo19% - SUMMERSUNSHINE7% - CUPSHE6% - Century Star5% - GINKANA4% - Open — no brand owns it (11 brands, 11%)
## **maternity swimsuit demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +112.4% search growth over the last 90 days.
225K175KSpike '25Black Friday '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Apr, May, Jun, Jul · busiest ÷ quietest = 10.0×
[**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/maternity-swimsuit/trend)
## **Top maternity swimsuit search terms shoppers use**
The exact queries shoppers type, with yearly volume, growth and conversion.
- **maternity swimsuit**2.2M/yr+143.0%0.3% conv. - **maternity bathing suit**416K/yr+35.4%0.3% conv. - **maternity bikini**160K/yr+71.2%0.1% conv. - **maternity swim**169K/yr+46.8%0.3% conv. - **maternity swimsuit two piece**122K/yr+135.6%0.1% conv. - **pregnancy swimsuits for women**86K/yr+74.0%0.3% conv. - **maternity swim dress**77K/yr+133.3%0.1% conv. - **maternity bathing suits for women**119K/yr+11.7%0.3% conv. - **plus size maternity swimsuit**79K/yr+128.0%0.1% conv. - **nursing swimsuit**70K/yr+119.3%0.1% conv. [**All search terms **](https://flapen.com/research/us/clothing-shoes-jewelry/maternity-swimsuit/search-terms)
## **Top maternity swimsuit 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%$11K4%$22K6%$33K8%$44K101001K10K 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**Summer Mae Maternity Swimsuit One Piece Bathing Suit Button Neck Cross Back Black M**Summer Mae**$35.70**4.4★3,072 rev](https://www.amazon.com/dp/B089Y5QZFL) [2**Summer Mae Maternity High Waist Bikini Swimsuit Two Piece Ruffled Hem Cute Bathing Suit Floral Pregnancy Swimwear Dewdrop Blooms Large**Summer Mae**$38.60**4.4★2,323 rev](https://www.amazon.com/dp/B0CR16CTNQ) [3**Summer Mae Maternity Swimsuit V-Neck One Piece Swimsuit Ruffled Lace Up Monokini Black M**Summer Mae**$35.83**4.6★1,861 rev](https://www.amazon.com/dp/B088GY89Q1) [4**Charmo Ruffle Maternity Swimwear Twist Front Cutout Pregnancy Swimsuits for Women Padded V Neck Maternity Swim Dress Black L**Charmo**$30.17**4.8★327 rev](https://www.amazon.com/dp/B0DNK14LXQ) [5**Summer Mae Maternity High Waist Swimsuit Ruffle Hem Bikini Bathing Suit Shirred Bandeau Two Piece Pregnancy Swimwear Black X-Large**Summer Mae**$42.05**4.5★996 rev](https://www.amazon.com/dp/B0D6XNJ9L9)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Summer Mae Ribbed Maternity One Piece Swimsuit Dress Wrap Bathing Suit with Built-in Pocket Short Swimwear Tie Knot Skirt Black 10**Summer Mae**$35.07**59 rev6mo ago](https://www.amazon.com/dp/B0GDXQ4Q97) [**Summer Mae Ribbed Maternity One Piece Swimsuit Dress Wrap Bathing Suit with Built-in Pocket Short Swimwear Tie Knot Skirt Black 12**Summer Mae**$35.55**59 rev6mo ago](https://www.amazon.com/dp/B0GDXLKLBG) [**Summer Mae Ribbed Maternity One Piece Swimsuit Ruffle Wood Ears Bathing Suit Scoop Neck Pregnancy Swimwear Black 14**Summer Mae**$36.01**31 rev10mo ago](https://www.amazon.com/dp/B0FQ58WHTN) [**Summer Mae Ribbed Maternity One Piece Swim Dress Pregnancy Swimsuit with Built-in Bottom Swimwear Tie Knot Skirt Bathing Suit Dark 16**Summer Mae**$37.25**170 rev1y ago](https://www.amazon.com/dp/B0F9VNYJGZ) [**GINKANA Maternity Tankinis Swimsuits Ruffle Hem Pregnancy Bathing Suits 2 Pieces Swimwear Flower Print Swim Suits Green Floral XL**GINKANA**$33.65**177 rev1y ago](https://www.amazon.com/dp/B0F1D1G5ML)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Summer Mae Maternity Swimsuit One Piece Bathing Suit Button Neck Cross Back Black XL**Summer Mae**$36.61**4.4★**▲ 15%**](https://www.amazon.com/dp/B09WY15L2Y) [**GINKANA Maternity Tankinis Swimsuits Ruffle Hem Pregnancy Bathing Suits 2 Pieces Swimwear Flower Print Swim Suits Green Floral XL**GINKANA**$33.65**4.2★**▲ 14%**](https://www.amazon.com/dp/B0F1D1G5ML) [**Summer Mae Maternity Two-Piece Swimsuit Tankini with Pocket Cross Back Pregnancy Bathing Suit Sporty Swimwear Solitary Silhouette Bloom 12**Summer Mae**$38.12**4.0★**▲ 13%**](https://www.amazon.com/dp/B0D9KB29KT) [**Maternity One Piece Swimsuits for Women - Ribbed Cutout High Waist Maternity Bathing Suits Tie Knot Pregnancy Swimwear 2026 Black L**Century Star**$23.72**4.4★**▲ 12%**](https://www.amazon.com/dp/B0DRBBBPHJ) [**Summer Mae Ribbed Maternity One Piece Swimsuit Dress Wrap Bathing Suit with Built-in Pocket Short Swimwear Tie Knot Skirt Black 12**Summer Mae**$35.55**4.5★**▲ 12%**](https://www.amazon.com/dp/B0GDXLKLBG)
**~~View all trending →~~**
## **What reviews say buyers love and hate about maternity swimsuit**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**27%
*“The fit is flattering”*
**Comfort-Overall**18%
*“So comfortable”*
**Stretchability/Expandability/Elasticity**9%
*“The stretchiness is great”*
**Shape/Style**6%
*“Very flattering”*
**Material Quality**5%
*“the material is comfortable”*
**Quality-Overall**5%
*“Good quality and great for the pool”*
**Color**3%
*“Color is cute”*
**Soft Feel**2%
*“Very soft and thick”*
**Strap/String Quality**1%
*“I like that it has adjustable straps”*
**Value For Money**1%
*“price was great”*
### **What buyers complain about **
**Size-Overall**19%
*“Too small”*
**Chest Fit**8%
*“Not for the large breasted women”*
**Color**4%
*“Not the right color”*
**Durability**3%
*“Broke after one wear”*
**Quality-Overall**3%
*“Trash”*
**Stitch/Finish/Polish**2%
*“Large seams hurt”*
**Material Quality**2%
*“I feel like the material is kind of heavy”*
**Strap/String Quality**2%
*“The straps are not adjustable”*
**Comfort-Overall**2%
*“So uncomfortable”*
**Advertised Vs Actual Product**2%
*“Did not fit as advertised in the size chart”*
### **Top return reasons **
**Size-Overall**56%
**Chest Fit**14%
**Waist Fit**6%
**Length**5%
**Shape/Style**4%
**Hip Fit**3%
**Material Quality**2%
**Color**2%
**Advertised Vs Actual Product**2%
**Strap/String Quality**1%
## **Common maternity swimsuit questions**
- **Is maternity swimsuit profitable to sell on Amazon United States?**
- The niche generates $550K/yr across 112 tracked products. 11 of 25 products launched in the last 360 days are still selling. 90-day search growth is +112.4%. Flapen's verdict: Worth a look (60/100).
- **How competitive is the maternity swimsuit niche?**
- 17 brands and 26 sellers compete. The top 5 products take 18% of clicks and top 5 brands hold 85% of demand.
- **What do buyers complain about in maternity swimsuit?**
- Top complaints mined from reviews: Size-Overall, Chest Fit, Color. The return rate is 11.3% — above our launch gate.
- **When does demand for maternity swimsuit peak?**
- Demand peaks in Apr–May–Jun–Jul; the busiest month runs 10.0× the quietest.
- **What does it cost to enter the maternity swimsuit niche?**
- Listings span $6.43–$42.05; the average listing price is $32.82 (sweet spot $15–$100). The average incumbent carries 678 reviews — the moat a new listing must climb.
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