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61

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

Incredible4%

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

Good64%

top-5 brand share — brands hold most of the demand

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Review moat

Okay2,266.99

avg incumbent reviews — the moat a new listing must climb

Market size

Okay$201K

$201K/yr · 2.1M searches

Conversion

Bad0.3%

search→purchase rate — share of searches ending in a sale

Returns

Bad16.3%

return rate — above 5% kills the launch gate

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

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 '26SepDecMarJunAugNovMarMay

Peak months: May, Jun, Jul · busiest ÷ quietest = 9.6×

Top plus size bikini search terms

  • cupshe one piece swimsuits women167K/yr
  • neon swimsuit for women230K/yr
  • eomenie swimsuits for women202K/yr
  • high neck swimsuits for women224K/yr
  • plus size one piece swimsuit169K/yr
  • b2prity swimsuits for women110K/yr
  • womens plus size swimsuits100K/yr
  • cupshe high waisted bikini set99K/yr
  • plus size tankini swimwear239K/yr
  • popvil swimsuits83K/yr
All 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 moat Market 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.

What buyers say about plus size bikini

What buyers praise and complain about, mined from review topics.

What buyers love

Size-Overall35%

“Fit as expected”

Comfort-Overall10%

“Nice and comfortable”

Color9%

“Color is pretty”

Shape/Style9%

“super flattering”

Quality-Overall8%

“Absolutely wonderful quality”

Material Quality4%

“Great material, comfortable”

Value For Money2%

“Excellent value for money”

Advertised Vs Actual Product2%

“Exactly as Pictured”

Soft Feel2%

“So soft”

Strap/String Quality1%

“THE STRAPS ARE SO PRETTY BUT SO COMFORTABLE”

What buyers complain about

Size-Overall30%

“Did not fit”

Chest Fit5%

“larger chest be cautious”

Color4%

“Color was off”

Shape/Style3%

“Not flattering”

Strap/String Quality3%

“Poorly made strap”

Quality-Overall2%

“Not well made”

Comfort-Overall2%

“which made it uncomfortable to move around”

Stretchability/Expandability/Elasticity2%

“not as stretchy”

Material Quality2%

“not the best material”

Waist Fit2%

“Weird waist band”

Top return reasons

Size-Overall50%
Chest Fit17%
Waist Fit6%
Length6%
Shape/Style4%
Hip Fit4%
Color2%
Advertised Vs Actual Product2%
Material Quality1%
Feet Fit1%

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.