---
title: "Plus Size Bikini — $201K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/plus-size-bikini"
last_updated: "2026-08-11T17:01:27.253Z"
locale: en
meta:
description: "Niche score 61/100 · $201K/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 61/100 · $201K/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 Bikini — $201K/yr Amazon US Niche (2026) - Flapen"
---
# **plus size bikini**
**Worth a look**
Shows a fragmented shelf (top 5 take 4% of clicks), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 39Growth 95Conversion 4Competition 99Returns 0Price range 95Avg price 95Brand share 68Review moat 42Quality gap 68
**Competition**
**Incredible****4%**
top-5 click share — an open shelf
**Growth**
**Great****+109.4%**
90-day search growth — must beat 0% to launch
**Avg price**
**Incredible****$32.98**
avg listing price — sweet spot $15–$100
**Price range**
**Incredible****$16.39–$86.14**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Brand share**
**Good****64%**
top-5 brand share — brands hold most of the demand
**Quality gap**
**Good****4.3★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Okay****2,266.99**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Okay****$201K**
$201K/yr · 2.1M searches
**Conversion**
**Bad****0.3%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Bad****16.3%**
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%")
According to Flapen's Amazon United States niche tracking, plus size bikini is a $201K/yr Amazon United States market (2.1M searches/yr). The top 5 brands hold 64% of demand. Demand peaks in May–Jun–Jul. Verdict: Worth a look — 61/100.
Data updated Jul 14, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **plus size bikini market data**
- **Units sold / yr**
- **6K–8K**
- avg 0–100/product
- **Revenue / yr**
- **$198K–$264K**
- units × avg price
- **Conversion rate**
- **0.3%**
- **Avg BSR**
- **#248**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **95%**
- **Out of stock**
- **1.5%**
- **Avg brand age**
- **36 months**
- **Avg seller age**
- **160 days**
## **Competition & brand share**
Clicks spread well past the top 5 (4% combined) — an open shelf where new products get seen.
**Brands**
**79 **▲rising
**Sellers**
**92**
**Top-5 brand share**
**64%**
Top 20: 89%
**Top-5 click share**
**4%**
Top 20: 14%
**Open market**
**55%**
- CUPSHE19% - Eomenie10% - popvil8% - B2prity3% - Herseas3% - Holipick2%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +109.4% search growth over the last 90 days.
225K175KSpike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: May, Jun, Jul · busiest ÷ quietest = 9.6×
[**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/plus-size-bikini/trend)
## **Top plus size bikini search terms**
- **cupshe one piece swimsuits women**167K/yr>1,000%0.3% conv. - **neon swimsuit for women**230K/yr+187.9%0.1% conv. - **eomenie swimsuits for women**202K/yr+86.3%0.2% conv. - **high neck swimsuits for women**224K/yr+77.0%0.1% conv. - **plus size one piece swimsuit**169K/yr+91.4%0.1% conv. - **b2prity swimsuits for women**110K/yr+41.9%0.2% conv. - **womens plus size swimsuits**100K/yr+151.0%0.1% conv. - **cupshe high waisted bikini set**99K/yr+80.5%0.2% conv. - **plus size tankini swimwear**239K/yr-29.6%0.1% conv. - **popvil swimsuits**83K/yr-7.3%0.2% conv. [**All search terms **](https://flapen.com/research/us/clothing-shoes-jewelry/plus-size-bikini/search-terms)
## **Top plus size bikini 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%$2K2%$4K3%$6K4%$8K1001K10K100K 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**CUPSHE Womens One Piece Swimsuit Tummy Control Deep V Neck Double Straps Crisscross Back Tie Textured Bathing Suit L Purple Brown**CUPSHE**$39.40**4.4★1,826 rev](https://www.amazon.com/dp/B0D31FSFTY) [2**CUPSHE Women One Piece Swimsuit Bathing Suits Stripe Deep V Neck Tummy Control Low Back Adjustable Straps L**CUPSHE**$37.72**4.4★32,524 rev](https://www.amazon.com/dp/B0B9GGBLCD) [3**CUPSHE Womens One Piece Swimsuit Bathing Suit Tummy Control High Neck Cutout Back Hook Mesh Swimwear M Black**CUPSHE**$37.56**4.5★424 rev](https://www.amazon.com/dp/B0D5HDV5Y6) [4**popvil Women One Piece Swimsuit 2026 Tummy Control Sexy Cutout Neon Color Block Bathing Suit Slimming Adjustable Swimwear Black Large**popvil**$33.17**4.4★483 rev](https://www.amazon.com/dp/B0F6LK3TZD) [5**CUPSHE Womens One Piece Swimsuit Square Neck Cutout Back Tummy Control Adjustable Straps Striped Swimwear L Sage Green**CUPSHE**$37.26**4.4★2,734 rev](https://www.amazon.com/dp/B0CNCK7YBG)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**EVOCRCO One Piece Swimsuit for Women Tummy Control Mesh Bathing Suits Sexy Push Up Swimsuits Slimming Square Neck Swimwear Brown**EVOCRCO**$34.95**110 rev7mo ago](https://www.amazon.com/dp/B0FMR741BN) [**popvil Womens High Waisted Bikini Sets Neon Two Piece 2026 Swimsuit Sporty Adjustable Straps 2 piece Bathing Suit Ladies Beach Summer Black**popvil**$30.16**175 rev8mo ago](https://www.amazon.com/dp/B0FVFSS61Q) [**Eomenie Tankini Swimsuit for Women Tummy Control Two Piece Bathing Suit High Waisted Tank Top with Swim Skirt**Eomenie**$38.28**214 rev9mo ago](https://www.amazon.com/dp/B0FS1Z9FBP) [**CUPSHE Womens One Piece Swimsuit Deep V Wire Push Up Bathing Suit Tummy Control Retro Slimming Swimwear Ruched M Black**CUPSHE**$39.83**123 rev12mo ago](https://www.amazon.com/dp/B0FJ21KZDG) [**popvil Women One Piece Swimsuit 2026 Tummy Control Sexy Cutout Neon Color Block Bathing Suit Slimming Adjustable Swimwear Black Large**popvil**$33.17**483 rev1y ago](https://www.amazon.com/dp/B0F6LK3TZD)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Eomenie Tankini Swimsuit for Women Tummy Control Two Piece Bathing Suit High Waisted Tank Top with Swim Skirt**Eomenie**$38.28**4.3★**▲ 16%**](https://www.amazon.com/dp/B0FS1Z9FBP) [**CUPSHE Womens One Piece Swimsuit Square Neck Cutout Back Tummy Control Adjustable Straps Striped Swimwear L Sage Green**CUPSHE**$37.26**4.4★**▲ 16%**](https://www.amazon.com/dp/B0CNCK7YBG) [**CUPSHE Womens One Piece Swimsuit Tummy Control Deep V Neck Double Straps Crisscross Back Tie Textured Bathing Suit L Purple Brown**CUPSHE**$39.40**4.4★**▲ 16%**](https://www.amazon.com/dp/B0D31FSFTY) [**CUPSHE Women One Piece Swimsuit Bathing Suits Stripe Deep V Neck Tummy Control Low Back Adjustable Straps L**CUPSHE**$37.72**4.4★**▲ 16%**](https://www.amazon.com/dp/B0B9GGBLCD) [**CUPSHE One Piece Swimsuit for Women Deep V Neck Ruffle Tummy Control Back Tie Floral Print Bathing Suits**CUPSHE**$37.53**4.6★**▲ 15%**](https://www.amazon.com/dp/B0BM8V8ZGZ)
**~~View all trending →~~**
## **What buyers say about plus size bikini**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**35%
*“Fit as expected”*
**Comfort-Overall**10%
*“Nice and comfortable”*
**Color**9%
*“Color is pretty”*
**Shape/Style**9%
*“super flattering”*
**Quality-Overall**8%
*“Absolutely wonderful quality”*
**Material Quality**4%
*“Great material, comfortable”*
**Value For Money**2%
*“Excellent value for money”*
**Advertised Vs Actual Product**2%
*“Exactly as Pictured”*
**Soft Feel**2%
*“So soft”*
**Strap/String Quality**1%
*“THE STRAPS ARE SO PRETTY BUT SO COMFORTABLE”*
### **What buyers complain about **
**Size-Overall**30%
*“Did not fit”*
**Chest Fit**5%
*“larger chest be cautious”*
**Color**4%
*“Color was off”*
**Shape/Style**3%
*“Not flattering”*
**Strap/String Quality**3%
*“Poorly made strap”*
**Quality-Overall**2%
*“Not well made”*
**Comfort-Overall**2%
*“which made it uncomfortable to move around”*
**Stretchability/Expandability/Elasticity**2%
*“not as stretchy”*
**Material Quality**2%
*“not the best material”*
**Waist Fit**2%
*“Weird waist band”*
### **Top return reasons **
**Size-Overall**50%
**Chest Fit**17%
**Waist Fit**6%
**Length**6%
**Shape/Style**4%
**Hip Fit**4%
**Color**2%
**Advertised Vs Actual Product**2%
**Material Quality**1%
**Feet Fit**1%
## **Common questions**
- **Is plus size bikini profitable to sell on Amazon United States?**
- The niche generates $201K/yr across 721 tracked products. 105 of 224 products launched in the last 360 days are still selling. 90-day search growth is +109.4%. Flapen's verdict: Worth a look (61/100).
- **How competitive is the plus size bikini niche?**
- 79 brands and 92 sellers compete. The top 5 products take 4% of clicks and top 5 brands hold 64% of demand.
- **What do buyers complain about in plus size bikini?**
- Top complaints mined from reviews: Size-Overall, Chest Fit, Color. The return rate is 16.3% — above our launch gate.
- **When does demand for plus size bikini peak?**
- Demand peaks in May–Jun–Jul; the busiest month runs 9.6× the quietest.
- **What does it cost to enter the plus size bikini niche?**
- Listings span $16.39–$86.14; the average listing price is $32.98 (sweet spot $15–$100). The average incumbent carries 2,267 reviews — the moat a new listing must climb.
## **Related niches in Clothing, Shoes & Jewelry**
- 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)