---
title: "Plus Size Bathing Suit Bottoms — $22K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/plus-size-bathing-suit-bottoms"
last_updated: "2026-08-11T20:25:46.847Z"
locale: en
meta:
description: "Niche score 57/100 · $22K/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 57/100 · $22K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Plus Size Bathing Suit Bottoms — $22K/yr Amazon US Niche (2026) - Flapen"
---
# **plus size bathing suit bottoms**
**Worth a look**
Shows demand growing +154.4% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 6Growth 96Conversion 8Competition 96Returns 0Price range 82Avg price 89Brand share 95Review moat 53Quality gap 57
**Growth**
**Incredible****+154.4%**
90-day search growth — must beat 0% to launch
**Competition**
**Incredible****15%**
top-5 click share — an open shelf
**Brand share**
**Incredible****37%**
top-5 brand share — no brand owns this niche
**Avg price**
**Great****$20.41**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$9.38–$42.97**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Good****1,379.94**
avg incumbent reviews — the moat a new listing must climb
**Conversion**
**Bad****0.6%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Bad****$22K**
$22K/yr · 171K searches
**Returns**
**Bad****13.9%**
return rate — above 5% kills the launch gate
**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%") [** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%")
According to Flapen's Amazon United States niche tracking, plus size bathing suit bottoms is a $22K/yr Amazon United States market (171K searches/yr). The top 5 brands hold 37% of demand. Demand peaks in May–Jun–Jul. Verdict: Worth a look — 57/100.
Data updated Jul 14, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **plus size bathing suit bottoms market data**
- **Units sold / yr**
- **1K–1K**
- avg 0–100/product
- **Revenue / yr**
- **$20K–$26K**
- units × avg price
- **Conversion rate**
- **0.6%**
- **Avg BSR**
- **#266**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **94%**
- **Out of stock**
- **1.4%**
- **Avg brand age**
- **42 months**
- **Avg seller age**
- **171 days**
## **Competition & brand share**
Clicks spread well past the top 5 (15% combined) — an open shelf where new products get seen.
**Brands**
**50 **▼falling
**Sellers**
**57**
**Top-5 brand share**
**37%**
Top 20: 82%
**Top-5 click share**
**15%**
Top 20: 44%
**Open market**
**57%**
- Tournesol12% - Curvtide7% - G Gradual6% - Aderea6% - COCOPEAR6% - Holipick6%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +154.4% search growth over the last 90 days.
10K6KSpike '25Prime Day '25Spike '26Prime Day '26 seasonSepDecMarJunAugNovMarMay
Peak months: May, Jun, Jul · busiest ÷ quietest = 11.6×
[**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/plus-size-bathing-suit-bottoms/trend)
## **Top plus size bathing suit bottoms search terms**
- **plus size bathing suit bottoms**29K/yr+175.8%0.4% conv. - **plus size board shorts women**15K/yr+128.1%0.3% conv. - **plus size swimsuit bottoms**15K/yr+135.8%0.4% conv. - **plus size swimsuit bottoms for women**13K/yr+118.0%0.3% conv. - **plus size bathing suit shorts**10K/yr+131.8%0.4% conv. - **plus size high waisted swim shorts**8K/yr+283.7%0.4% conv. - **plus size swimsuit shorts**9K/yr+192.1%0.3% conv. - **womens plus size swim bottoms**8K/yr+148.9%0.5% conv. - **plus swim bottoms**7K/yr+236.4%0.3% conv. - **plus size swim short**7K/yr+137.5%0.5% conv. [**All search terms **](https://flapen.com/research/us/clothing-shoes-jewelry/plus-size-bathing-suit-bottoms/search-terms)
## **Top plus size bathing suit bottoms 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%$2202%$4413%$6614%$881101001K10K 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**WODECASA Womens Plus Size Swim Shorts High Waist Side Drawstring Full Coverage Swimsuit Bottoms with Pockets**WODECASA**$18.95**4.5★26 rev](https://www.amazon.com/dp/B0G3PKZBGM) [2**HODOSPORTS Plus Size Womens Swim Shorts with Pockets 6.5 UPF50+ High Waisted Board Shorts Tummy Control Swimsuit Bottoms Black 3X**HODOSPORTS**$19.65**4.6★377 rev](https://www.amazon.com/dp/B0CSN39J63) [3**COCOPEAR Womens Ruched High Waisted Bikini Bottom Retro Vintage Swim Short Tankinis Black L**COCOPEAR**$19.96**4.4★9,006 rev](https://www.amazon.com/dp/B078W2Z546) [4**Aderea Womens Plus Bathing Suit Bottoms Tummy Control Swim Board Shorts High Waisted Swimsuit Shorts Swimwear Tankini Bikini Trunks with Liner Black**Aderea**$17.93**4.5★1,445 rev](https://www.amazon.com/dp/B09QC52L1N) [5**Yonique Women Swim Shorts High Waisted Swimsuit Shorts Tummy Control Bathing Suit Bottom Plus Size Boyshorts Black XL**Yonique**$18.12**4.5★767 rev](https://www.amazon.com/dp/B0D2XY43YH)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Plus Size High Waisted Bikini Bottoms Black Tummy Control Swim BottomsRuched Full Coverage Vintage Swim Bottoms 16W**Arolina**$14.25**102 rev5mo ago](https://www.amazon.com/dp/B0GKMSD61Q) [**WODECASA Womens Plus Size Swim Shorts High Waist Side Drawstring Full Coverage Swimsuit Bottoms with Pockets**WODECASA**$18.95**26 rev7mo ago](https://www.amazon.com/dp/B0G3PKZBGM) [**Yonique Women Swim Shorts High Waisted Swimsuit Shorts Tummy Control Bathing Suit Bottom Plus Size Boyshorts Black XL**Yonique**$18.12**767 rev2y ago](https://www.amazon.com/dp/B0D2XY43YH) [**Curvtide Women Plus Size Ruched High Waisted Black Bikini Bottoms Full Coverage Swimsuit Bottom Tummy Control Swim Bottoms L(Mid Black 3XL)**Curvtide**$14.34**152 rev2y ago](https://www.amazon.com/dp/B0D44QZZFK) [**IUGA Womens 5 Swim Board Shorts Stretchy High Waisted Beach Shorts for Women Quick Dry UPF 50+ Swimsuit Bottoms with Liner Black**IUGA**$19.92**1,255 rev2y ago](https://www.amazon.com/dp/B0CS3MJ8HF)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Plus Size High Waisted Bikini Bottoms Black Tummy Control Swim BottomsRuched Full Coverage Vintage Swim Bottoms 16W**Arolina**$14.25**4.6★**▲ 18%**](https://www.amazon.com/dp/B0GKMSD61Q) [**WODECASA Womens Plus Size Swim Shorts High Waist Side Drawstring Full Coverage Swimsuit Bottoms with Pockets**WODECASA**$18.95**4.5★**▲ 15%**](https://www.amazon.com/dp/B0G3PKZBGM) [**Yonique Womens Swim Shorts Bathing Suits Bottoms Swimsuit Bottoms(Available in Plus) Black L**Yonique**$18.37**4.5★**▲ 11%**](https://www.amazon.com/dp/B0BPLZC9KK) [**FOREYOND Womens Plus Size Board Shorts Quick Dry Swim Shorts High Waisted Swim Pants with Pockets Liner Trunks Black**FOREYOND**$30.38**4.4★**— 10%**](https://www.amazon.com/dp/B0CSXWP974) [**Dipinon Womens Black High Waisted Bikini Bottom Full Coverage Bathing Suit Swim Bottoms Tummy Control Swimsuit Shorts L**Dipinon**$11.56**4.5★**— 9%**](https://www.amazon.com/dp/B0CS353V9C)
**~~View all trending →~~**
## **What buyers say about plus size bathing suit bottoms**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**40%
*“Fits as expected”*
**Comfort-Overall**14%
*“Extremely comfortable”*
**Quality-Overall**7%
*“It looks and feels well made”*
**Shape/Style**4%
*“Flattering style”*
**Material Quality**3%
*“good thick material”*
**Value For Money**2%
*“Great Value”*
**Exercise/Sports Suitability**2%
*“Athletic shorts”*
**Pockets/Compartments**2%
*“Pockets are deep”*
**Advertised Vs Actual Product**2%
*“As shown and advertised”*
**Color**2%
*“Accuracy of Color: Accurate compared to advertised color”*
### **What buyers complain about **
**Size-Overall**29%
*“Larger than expected”*
**Thigh Fit**4%
*“These for some weird reason have a VERY tight thigh band at the bottom of the leg”*
**Waist Fit**4%
*“The waistband features a small”*
**Durability**4%
*“did not hold up”*
**Stretchability/Expandability/Elasticity**4%
*“Thought it was be more stretchy”*
**Color**4%
*“faded terribly”*
**Comfort-Overall**2%
*“it turned out very awkward instead”*
**Shape/Style**2%
*“it has no shape”*
**Quality-Overall**2%
*“Not well made”*
**Advertised Vs Actual Product**2%
*“Dont fit or look anything like the picture”*
### **Top return reasons **
**Size-Overall**50%
**Waist Fit**15%
**Length**10%
**Hip Fit**7%
**Material Quality**3%
**Chest Fit**3%
**Shape/Style**3%
**Thigh Fit**2%
**Advertised Vs Actual Product**2%
**Waist High**1%
## **Common questions**
- **Is plus size bathing suit bottoms profitable to sell on Amazon United States?**
- The niche generates $22K/yr across 155 tracked products. 8 of 35 products launched in the last 360 days are still selling. 90-day search growth is +154.4%. Flapen's verdict: Worth a look (57/100).
- **How competitive is the plus size bathing suit bottoms niche?**
- 50 brands and 57 sellers compete. The top 5 products take 15% of clicks and top 5 brands hold 37% of demand.
- **What do buyers complain about in plus size bathing suit bottoms?**
- Top complaints mined from reviews: Size-Overall, Thigh Fit, Waist Fit. The return rate is 13.9% — above our launch gate.
- **When does demand for plus size bathing suit bottoms peak?**
- Demand peaks in May–Jun–Jul; the busiest month runs 11.6× the quietest.
- **What does it cost to enter the plus size bathing suit bottoms niche?**
- Listings span $9.38–$42.97; the average listing price is $20.41 (sweet spot $15–$100). The average incumbent carries 1,380 reviews — the moat a new listing must climb.
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