Is one piece thong swimsuits for women profitable to sell on Amazon United States?

The niche generates $17K/yr across 120 tracked products. 10 of 60 products launched in the last 360 days are still selling. 90-day search growth is +49.7%. Flapen's verdict: Worth a look (52/100).

How competitive is the one piece thong swimsuits for women niche?

45 brands and 59 sellers compete. The top 5 products take 19% of clicks and top 5 brands hold 58% of demand.

What do buyers complain about in one piece thong swimsuits for women?

Top complaints mined from reviews: Size-Overall, Chest Fit, Quality-Overall. The return rate is 14.8% — above our launch gate.

When does demand for one piece thong swimsuits for women peak?

Demand peaks in May–Jun–Jul; the busiest month runs 3.6× the quietest.

What does it cost to enter the one piece thong swimsuits for women niche?

Listings span $7.21–$46.95; the average listing price is $30.27 (sweet spot $15–$100). The average incumbent carries 1,596 reviews — the moat a new listing must climb.

one piece thong swimsuits for women

Worth a look

Shows a fragmented shelf (top 5 take 19% of clicks), but high returns (14.8%) keeps it on the watch list.

Competition

Incredible19%

top-5 click share — an open shelf

Avg price

Incredible$30.27

avg listing price — sweet spot $15–$100

Quality gap

Great4.2★

avg incumbent rating — lower means beatable quality

Price range

Great$7.21–$46.95

cheapest to priciest tracked listing — scored on the share inside $15–$100

Brand share

Great58%

top-5 brand share — no brand owns this niche

Growth

Good+49.7%

90-day search growth — must beat 0% to launch

Review moat

Okay1,596.31

avg incumbent reviews — the moat a new listing must climb

Market size

Bad$17K

$17K/yr · 345K searches

Conversion

Bad0.2%

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

Returns

Bad14.8%

return rate — above 5% kills the launch gate

Signals High Returns

According to Flapen's Amazon United States niche tracking, one piece thong swimsuits for women is a $17K/yr Amazon United States market (345K searches/yr). The top 5 brands hold 58% of demand. Demand peaks in May–Jun–Jul. Verdict: Worth a look — 52/100.

Data updated Jul 14, 2026 · scored weekly · How we score niches

one piece thong swimsuits for women market data

Units sold / yr: 750–1K; avg 0–100/product
Revenue / yr: $23K–$30K; units × avg price
Conversion rate: 0.2%
Avg BSR: #795
Page quality: 0%
Prime: 100%
Sponsored: 90%
Out of stock: 1.6%
Avg brand age: 39 months
Avg seller age: 160 days

Competition & brand share

Clicks spread well past the top 5 (19% combined) — an open shelf where new products get seen.

Brands

45 falling

Sellers

Top-5 brand share

58%

Top 20: 89%

Top-5 click share

19%

Top 20: 54%

Open market

38%

Sexybody22%
HYTENSUN14%
RELLECIGA11%
Foxiny6%
Mulisky5%
SherryDC4%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +49.7% search growth over the last 90 days.

Peak months: May, Jun, Jul · busiest ÷ quietest = 3.6×

Open Trend

Top one piece thong swimsuits for women search terms

thong one piece swimsuit117K/yr +53.3%0.2% conv.
thong one piece swimsuits for women66K/yr +63.1%0.1% conv.
one piece thong swimsuit36K/yr +52.4%0.1% conv.
one piece swimsuit women thong23K/yr +52.1%0.2% conv.
one piece swimsuit thong15K/yr +57.0%0.1% conv.
thong one piece17K/yr +44.8%0.1% conv.
one piece thong bathing suit14K/yr +43.7%0.1% conv.
one piece thong14K/yr +13.1%0.1% conv.
thong monokini13K/yr +13.0%0.1% conv.
thong swimsuit one piece9K/yr +25.9%0.1% conv.

All search terms

Top one piece thong swimsuits for women 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.

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

Sexybody Women s One Piece Sexy Swimsuits Halter Tie Back V Neck Low Back Bathing Suit Ruched Butt High Cut Swimsuit Thong

Sexybody$35.114.3★186 rev

Foxiny Sexy Backless Cheeky High Cut Leg Thong V Neck One Piece Swimsuit Women Tummy Control Brazilian Open Back Bathing Suit Bikini Leopard Large

Foxiny$31.134.2★579 rev

Sexybody Women Sexy One Piece Swimsuit Cheeky Thong Ruched Bathing Suit Tummy Control High Cut Crisscross Swim Suits

Sexybody$28.374.7★21 rev

Sexybody Women Sexy Thong One Piece Swimsuits Cheeky V Neck Bathing Suit Slimming High Cut Backless Swim Suits

Sexybody$31.754.3★71 rev

RELLECIGA Womens Black High Cut Scoop Back One Piece Swimsuit Size Medium

RELLECIGA$23.374.4★4,495 rev

Newest

by launch date

SherryDC Womens Sexy Mesh Thong One Piece Swimsuit Plunge V Neck High Cut Slimming Bathing Suit Swimwear

SherryDC$29.46521 rev

3mo ago

HYTENSUN Sexy One Piece Swimsuit Women Tummy Control Deep V Swim Suits 2026 Cheeky Backless High Cut Thong Bottom Bathing Suit Cruise Outfit Black M

HYTENSUN$30.7513 rev

4mo ago

HYTENSUN One Piece Swimsuit for Women Tummy Control Deep V Swim Suits 2026 Backless Cheeky High Cut Thong Bottom Sexy Bathing Suit Cruise Outfit Black M

HYTENSUN$27.7717 rev

4mo ago

HYTENSUN Sexy One Piece Swimsuit for Women Halter Spaghetti Straps Backless Swimwear High Cut Thong Swim Suits 2026 Black XL

HYTENSUN$30.1148 rev

5mo ago

Leoparts Womens Sexy One Piece Swimsuit Ruched Tummy Control Bathing Suit Thong Crisscross Tie Back Swim Suit

Leoparts$28.3541 rev

5mo ago

What buyers say about one piece thong swimsuits for women

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

What buyers love

Size-Overall31%

“Not too tight”

Comfort-Overall12%

“Super comfortable”

Shape/Style12%

“Very flattering”

Material Quality6%

“The material feels comfortable”

Quality-Overall6%

“Beautiful quality”

Design-Overall3%

“the design is very flattering”

Color3%

“The color is also beautiful”

Stretchability/Expandability/Elasticity3%

“Good material, good stretch”

Value For Money3%

“Good Value”

Soft Feel2%

“The fabric feels smooth”

What buyers complain about

Size-Overall27%

“Very short”

Chest Fit7%

“Small in the chest”

Quality-Overall5%

“Poor quality bathing suit used”

Thickness4%

“thin with no control”

Comfort-Overall3%

“They do kind of dig into my skin”

Color2%

“It turned grey”

Durability2%

“ELASTICITY GONE AFTER ONE WEAR”

Strap/String Quality2%

“Poorly made strap”

Shape/Style2%

“Not flattering”

Material Quality2%

“The material is lower quality”

Top return reasons

Size-Overall56%

Chest Fit12%

Length8%

Waist Fit4%

Shape/Style4%

Hip Fit4%

Advertised Vs Actual Product3%