one shoulder bikini
Worth a lookShows a fragmented shelf (top 5 take 12% of clicks), but high returns (20.8%) keeps it on the watch list.
Competition
Incredible12%top-5 click share — an open shelf
Avg price
Incredible$28.75avg listing price — sweet spot $15–$100
Price range
Great$13.50–$39.66cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Great57%top-5 brand share — no brand owns this niche
Growth
Great+64.6%90-day search growth — must beat 0% to launch
Quality gap
Good4.3★avg incumbent rating — lower means beatable quality
Review moat
Good959.36avg incumbent reviews — the moat a new listing must climb
Market size
Bad$20K$20K/yr · 275K searches
Conversion
Bad0.3%search→purchase rate — share of searches ending in a sale
Returns
Bad20.8%return rate — above 5% kills the launch gate
According to Flapen's Amazon United States niche tracking, one shoulder bikini is a $20K/yr Amazon United States market (275K searches/yr). The top 5 brands hold 57% of demand. Demand peaks in May–Jun–Jul. Verdict: Worth a look — 55/100.
Data updated Jul 14, 2026 · scored weekly · How we score niches
one shoulder bikini market data
- Units sold / yr
- 750–1K
- avg 0–100/product
- Revenue / yr
- $22K–$29K
- units × avg price
- Conversion rate
- 0.3%
- Avg BSR
- #467
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 93%
- Out of stock
- 1.2%
- Avg brand age
- 27 months
- Avg seller age
- 166 days
Competition & brand share
Clicks spread well past the top 5 (12% combined) — an open shelf where new products get seen.Brands
36 rising
Sellers
41
Top-5 brand share
57%
Top 20: 93%
Top-5 click share
12%
Top 20: 32%
Open market
38%
- Holipick22%
- Tempt Me11%
- Talisea9%
- Yonique8%
- Herseas7%
- CUPSHE6%
Demand & seasonality
Weekly Amazon search volume, last 101 weeks — +64.6% search growth over the last 90 days.Peak months: May, Jun, Jul · busiest ÷ quietest = 8.1×
Top one shoulder bikini search terms
- one shoulder tankini27K/yr
- one shoulder bikini30K/yr
- one shoulder swimsuit30K/yr
- one shoulder bathing suits for women27K/yr
- one shoulder one piece swimsuit21K/yr
- one shoulder bikini top21K/yr
- one shoulder tankini swimsuits for women18K/yr
- womens one shoulder swimsuit16K/yr
- one shoulder swim top15K/yr
- one shoulder bathing suit16K/yr
Top one shoulder 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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Charmo One Piece Swimsuit One Shoulder Bathing Suit for Women Ribbed Swim Suit Scalloped Slimming Elder Swimwear Full Coverage Black L
Charmo$30.694.7★620 rev
Holipick One Shoulder One Piece Swimsuit for Women Tummy Control Bathing Suits Modest Full Coverage Keyhole Swimwear Leopard
Holipick$33.234.6★575 rev
Holipick Black Women One Shoulder High Waisted Bikini Sets Two Piece Swimsuit Tummy Control Bathing Suit Full Coverage Swimwear L
Holipick$29.234.5★566 rev
Holipick One Shoulder One Piece Swimsuit for Women Tummy Control Bathing Suits Modest Full Coverage Keyhole Swimwear Black
Holipick$33.104.6★1,242 rev
Herseas High Waisted Bikini Sets 2 Piece Swim Suits for Women One Shoulder Tie Swimsuit Wire Free Crocheted Trim Bathing Suit Blue Beach Vacation Essentails Large
Herseas$24.894.3★556 rev
Newest
by launch date
Zilcremo Women Cutout One Shoulder Bikini Set Mid Rise Bikini Swimsuit Two Piece Bathing Suit Black S
Zilcremo$18.59165 rev
Aidonger One Shoulder One Piece Swimsuit for Women Tummy Control Bathing Suits Color Block Ruched Swim Suit Slimming Swimwear
Aidonger$35.64202 rev
Tankini Tops for Women Swimwear - One Shoulder Swim Top Only Tummy Control Bathing Suit Top No Bottom 2025 Black Large
Talisea$24.57153 rev
Aqua Eve Women Mesh One Piece Swimsuit - Tummy Control One Shoulder Bathing Suit Cut Out Swimwear 2026 Black Large
Aqua Eve$30.22418 rev
Herseas Womens One Shoulder Sporty Bikini Sets High Waisted Tummy Control Swimsuits Trim Ruffle Hem Stretchy Full Lined Bathing Suits Blue Resort Wear Beach Essentials Small
Herseas$27.56305 rev
Trending
90-day click momentumHerseas Womens One Shoulder Sporty Bikini Sets High Waisted Tummy Control Swimsuits Trim Ruffle Hem Stretchy Full Lined Bathing Suits Blue Resort Wear Beach Essentials Small
Herseas$27.564.4★
Holipick One Shoulder One Piece Swimsuit for Women Tummy Control Bathing Suits Modest Full Coverage Keyhole Swimwear
Holipick$34.774.6★
Aidonger One Shoulder One Piece Swimsuit for Women Tummy Control Bathing Suits Color Block Ruched Swim Suit Slimming Swimwear
Aidonger$35.644.2★
CUPSHE Womens Bikini Sets Asymmetric Neck Bathing Suit Back Hook M
CUPSHE$32.933.9★
Holipick One Shoulder One Piece Swimsuit for Women Tummy Control Bathing Suits Modest Full Coverage Keyhole Swimwear Black
Holipick$33.174.6★
What buyers say about one shoulder bikini
What buyers praise and complain about, mined from review topics.What buyers love
“Flattering fit”
“Very flattering”
“Very comfortable”
“It is good quality and very flattering”
“The colors are amazing”
“Good quality material”
“Great value for the money”
“One strap is removable, and I felt secure with and without it”
“Exactly as pictured”
“Its stretches to give just the right comfort”
What buyers complain about
“Runs HUGE”
“The top isnt as supportive if you have a larger bust -”
“The off shoulder made me nervous at first”
“Not flattering at all”
“Looks cheap”
“Material feels very cheap”
“Needs some padding”
“No support when strap is removed”
“Did not feel good when I put it on”
“Unfortunately just too large/long”
Top return reasons
Common questions
- Is one shoulder bikini profitable to sell on Amazon United States?
- The niche generates $20K/yr across 191 tracked products. 11 of 60 products launched in the last 360 days are still selling. 90-day search growth is +64.6%. Flapen's verdict: Worth a look (55/100).
- How competitive is the one shoulder bikini niche?
- 36 brands and 41 sellers compete. The top 5 products take 12% of clicks and top 5 brands hold 57% of demand.
- What do buyers complain about in one shoulder bikini?
- Top complaints mined from reviews: Size-Overall, Chest Fit, Shoulder Fit. The return rate is 20.8% — above our launch gate.
- When does demand for one shoulder bikini peak?
- Demand peaks in May–Jun–Jul; the busiest month runs 8.1× the quietest.
- What does it cost to enter the one shoulder bikini niche?
- Listings span $13.50–$39.66; the average listing price is $28.75 (sweet spot $15–$100). The average incumbent carries 959 reviews — the moat a new listing must climb.