---
title: "Bikini Bottoms — £48K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/fashion/bikini-bottoms"
last_updated: "2026-07-31T08:50:06.214Z"
locale: en
meta:
  description: "Niche score 59/100 · £48K/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 59/100 · £48K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Bikini Bottoms — £48K/yr Amazon UK Niche (2026) - Flapen"
---

# **bikini bottoms**

**Worth a look**

Shows demand growing +147.3% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 12Growth 96Conversion 14Competition 96Returns 22Price range 51Avg price 39Brand share 86Review moat 81Quality gap 76

**Growth**

**Incredible****+147.3%**

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

**Competition**

**Incredible****18%**

top-5 click share — an open shelf

**Brand share**

**Great****49%**

top-5 brand share — no brand owns this niche

**Review moat**

**Great****384.44**

avg incumbent reviews — the moat a new listing must climb

**Quality gap**

**Great****4.3★**

avg incumbent rating — lower means beatable quality

**Price range**

**Good****£3.97–£26.55**

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

**Avg price**

**Okay****£10.65**

avg listing price — sweet spot $15–$100

**Returns**

**Bad****5.8%**

return rate — above 5% kills the launch gate

**Conversion**

**Bad****1.1%**

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

**Market size**

**Bad****£48K**

£48K/yr · 393K searches

**Signals**[** Trending**](https://flapen.com/research/niches?market=uk&signal=trending "Search growth > 100% (90d)") [** No Dominant Brand**](https://flapen.com/research/niches?market=uk&signal=no_dominant_brand "Top brand's click share < 20%") [** High Returns**](https://flapen.com/research/niches?market=uk&signal=high_returns "Return rate > 5%")

According to Flapen's Amazon United Kingdom niche tracking, bikini bottoms is a £48K/yr Amazon United Kingdom market (393K searches/yr). The top 5 brands hold 49% of demand. Demand peaks in Jun–Jul–Aug. Verdict: Worth a look — 59/100.

Data updated Jul 23, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **bikini bottoms market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**3K–4K**</dd><dd>avg 0–100/product</dd>

<dt>**Revenue / yr**</dt><dd>**£32K–£43K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**1.1%**</dd>

<dt>**Avg BSR**</dt><dd>**#98**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**99%**</dd>

<dt>**Sponsored**</dt><dd>**92%**</dd>

<dt>**Out of stock**</dt><dd>**5.7%**</dd>

<dt>**Avg brand age**</dt><dd>**37 months**</dd>

<dt>**Avg seller age**</dt><dd>**190 days**</dd>

</dl>

## **Competition & brand share**

Clicks spread well past the top 5 (18% combined) — an open shelf where new products get seen.

**Brands**

**33 **▼falling

**Sellers**

**44**

**Top-5 brand share**

**49%**

Top 20: 92%

**Top-5 click share**

**18%**

Top 20: 45%

**Open market**

**45%**

- Ocean Blues13% - Ekouaer11% - StreamSafe10% - SHEKINI8% - WUDEUI7% - CRZ YOGA6%

## **Demand & seasonality**

Weekly Amazon search volume, last 56 weeks — +147.3% search growth over the last 90 days.

18K13KPrime Day '25Spike '26Prime Day '26 seasonJulAugSepOctNovDecJanFebMarAprMayJunJul

Peak months: Jun, Jul, Aug · busiest ÷ quietest = 6.9×

[**Open Trend **](https://flapen.com/research/uk/fashion/bikini-bottoms/trend)

## **Top bikini bottoms search terms**

- **bikini bottoms**102K/yr+173.7%0.5% conv. - **black bikini bottoms**82K/yr+188.9%1.3% conv. - **high waisted bikini bottoms**51K/yr+181.0%0.5% conv. - **bikini bottoms for women uk**30K/yr+44.9%0.4% conv. - **navy bikini bottoms**19K/yr+128.0%0.4% conv. - **brown bikini bottoms**12K/yr+256.4%0.0% conv. - **womens bikini bottoms**20K/yr+65.5%0.3% conv. - **black high waisted bikini bottoms**9K/yr+279.8%0.9% conv. - **blue bikini bottoms**8K/yr+185.0%0.2% conv. - **bikini bottom**9K/yr+89.7%0.5% conv. [**All search terms **](https://flapen.com/research/uk/fashion/bikini-bottoms/search-terms)

## **Top bikini 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%2%£9624%£2K6%£3K8%£4K1101001K10K 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![StreamSafe Black High Waisted Bikini Bottoms Tummy Control for Women UK](https://m.media-amazon.com/images/I/411r-3NTY6L.jpg)**StreamSafe Black High Waisted Bikini Bottoms Tummy Control for Women UK**StreamSafe**£7.83**3.8★19 rev](https://www.amazon.co.uk/dp/B0GRZDMQGH) [2![WUDEUI Womens Black Bikini Bottoms High Waist Swim Briefs with Side Adjustable Drawstrings Full Coverage Bathing Suit Bottoms for Ladies Girls](https://m.media-amazon.com/images/I/41vMr21saFL.jpg)**WUDEUI Womens Black Bikini Bottoms High Waist Swim Briefs with Side Adjustable Drawstrings Full Coverage Bathing Suit Bottoms for Ladies Girls**WUDEUI**£8.15**4.1★22 rev](https://www.amazon.co.uk/dp/B0G2G4CB8F) [3![BOYSSPAA Womens Bikini Bottoms Adjustable Drawstring with Side Tie Swim Shorts Cheeky Summer Swimwear Soft Stretchy Fabric for Women Girls Teens (UK Alpha M Regular Regular Black)](https://m.media-amazon.com/images/I/41X+EFJpsZL.jpg)**BOYSSPAA Womens Bikini Bottoms Adjustable Drawstring with Side Tie Swim Shorts Cheeky Summer Swimwear Soft Stretchy Fabric for Women Girls Teens (UK Alpha M Regular Regular Black)**BOYSSPAA**£6.50**4.4★122 rev](https://www.amazon.co.uk/dp/B0DTNYRNY3) [4![Womens Low Rise Black Bikini Bottoms Full Coverage Ruched Sides Swimsuits Swimwear Bathing Suit BottomBlack S](https://m.media-amazon.com/images/I/31G4wzCy-HL.jpg)**Womens Low Rise Black Bikini Bottoms Full Coverage Ruched Sides Swimsuits Swimwear Bathing Suit BottomBlack S**SWIMLANCE**£10.49**4.4★11 rev](https://www.amazon.co.uk/dp/B0GFD926D7) [5![flintronic Womens Bikini Bottoms Tummy Control Swim Bottoms with Side Drawstrings High Waisted Swimsuits for Women L Black](https://m.media-amazon.com/images/I/41nX5890XoL.jpg)**flintronic Womens Bikini Bottoms Tummy Control Swim Bottoms with Side Drawstrings High Waisted Swimsuits for Women L Black**flintronic**£5.50**4.4★227 rev](https://www.amazon.co.uk/dp/B0D7CXLZK2)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![StreamSafe Black High Waisted Bikini Bottoms Tummy Control for Women UK](https://m.media-amazon.com/images/I/41iMjIYvq9L.jpg)**StreamSafe Black High Waisted Bikini Bottoms Tummy Control for Women UK**StreamSafe**£8.36**3 rev2mo ago](https://www.amazon.co.uk/dp/B0H21L4YG3) [![StreamSafe Black High Waisted Bikini Bottoms Tummy Control for Women UK](https://m.media-amazon.com/images/I/41iMjIYvq9L.jpg)**StreamSafe Black High Waisted Bikini Bottoms Tummy Control for Women UK**StreamSafe**£8.30**3 rev2mo ago](https://www.amazon.co.uk/dp/B0H21HFMDW) [![StreamSafe Black High Waisted Bikini Bottoms Tummy Control for Women UK](https://m.media-amazon.com/images/I/411r-3NTY6L.jpg)**StreamSafe Black High Waisted Bikini Bottoms Tummy Control for Women UK**StreamSafe**£7.83**19 rev4mo ago](https://www.amazon.co.uk/dp/B0GRZDMQGH) [![StreamSafe Black High Waisted Bikini Bottoms Tummy Control for Women UK](https://m.media-amazon.com/images/I/411r-3NTY6L.jpg)**StreamSafe Black High Waisted Bikini Bottoms Tummy Control for Women UK**StreamSafe**£7.77**19 rev4mo ago](https://www.amazon.co.uk/dp/B0GRZR51GC) [![BBXWANG Womens Bikini Bottoms Drawstring Black Bikini Bottoms for Women UK Tie Side Mid Rise Swimwear Bathing Suit (UK Alpha M Regular Regular Black)](https://m.media-amazon.com/images/I/41IGobpXc5L.jpg)**BBXWANG Womens Bikini Bottoms Drawstring Black Bikini Bottoms for Women UK Tie Side Mid Rise Swimwear Bathing Suit (UK Alpha M Regular Regular Black)**BBXWANG**£8.24**2 rev4mo ago](https://www.amazon.co.uk/dp/B0GQ3QZ2MX)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![StreamSafe Black High Waisted Bikini Bottoms Tummy Control for Women UK](https://m.media-amazon.com/images/I/41iMjIYvq9L.jpg)**StreamSafe Black High Waisted Bikini Bottoms Tummy Control for Women UK**StreamSafe**£8.36**4.2★**▲ 23%**](https://www.amazon.co.uk/dp/B0H21L4YG3) [![StreamSafe Black High Waisted Bikini Bottoms Tummy Control for Women UK](https://m.media-amazon.com/images/I/411r-3NTY6L.jpg)**StreamSafe Black High Waisted Bikini Bottoms Tummy Control for Women UK**StreamSafe**£7.83**3.8★**▲ 23%**](https://www.amazon.co.uk/dp/B0GRZDMQGH) [![StreamSafe Black High Waisted Bikini Bottoms Tummy Control for Women UK](https://m.media-amazon.com/images/I/41iMjIYvq9L.jpg)**StreamSafe Black High Waisted Bikini Bottoms Tummy Control for Women UK**StreamSafe**£8.30**4.2★**▲ 23%**](https://www.amazon.co.uk/dp/B0H21HFMDW) [![Amazon Essentials Womens High Waist High Leg Bikini Bottom Olive 10](https://m.media-amazon.com/images/I/4153yJhFDVL.jpg)**Amazon Essentials Womens High Waist High Leg Bikini Bottom Olive 10**Amazon Essentials**£13.07**4.3★**▲ 22%**](https://www.amazon.co.uk/dp/B0FJS7JXWQ) [![Qoibraze Period Pants for Swimming Low Waisted Black Bikini Bottoms Menstrual Leakproof Swim Shorts 4Ply Period Swimwear for Girls Teens Women (UK Alpha M Regular Regular)](https://m.media-amazon.com/images/I/4156T1gE84L.jpg)**Qoibraze Period Pants for Swimming Low Waisted Black Bikini Bottoms Menstrual Leakproof Swim Shorts 4Ply Period Swimwear for Girls Teens Women (UK Alpha M Regular Regular)**Qoibraze**£5.28**4.1★**▲ 22%**](https://www.amazon.co.uk/dp/B0G8W3VJPQ)

**~~View all trending →~~**

## **What buyers say about bikini bottoms**

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

### **What buyers love **

**Size-Overall**30%

*“this item fitted perfectly exactly as in photo”*

**Comfort-Overall**12%

*“Very comfortable”*

**Quality-Overall**12%

*“Great quality bikini that holds up well”*

**Shape/Style**6%

*“Super flattering”*

**Value For Money**5%

*“totally worth it”*

**Color**5%

*“Absolutely love the colour”*

**Material Quality**4%

*“The material is comfortable and fits well, and they stay in place during swimming without feeling bulky”*

**Advertised Vs Actual Product**4%

*“Do the job”*

**Waist Fit**4%

*“These high waisted bikini bottoms are true to size with a high waisted full brief fit”*

**Stretchability/Expandability/Elasticity**2%

*“comfortable stretch material”*

### **What buyers complain about **

**Size-Overall**22%

*“Small sizing”*

**Advertised Vs Actual Product**6%

*“Higher than shown in the photo”*

**Value For Money**5%

*“And found them bit expensive for what they are”*

**Durability**4%

*“Did not survive the purpose”*

**Adhesion/Stickiness**4%

*“you can't get the sticky stuff off”*

**Thigh Fit**4%

*“Unfortunately the ride up between my thighs”*

**Smell**4%

*“instantly hit with a horrid smell”*

**Waist High**4%

*“I returned the product because it looked less high waisted on the pics”*

**Weight Heavy**2%

*“Very Heavy Swimsuit Bottom”*

**Functionality-Overall**2%

*“Dont work”*

### **Top return reasons **

**Size-Overall**68%

**Waist Fit**5%

**Shape/Style**4%

**Quality-Overall**3%

**Length**3%

**Color**2%

**Thigh Fit**2%

**Advertised Vs Actual Product**2%

**Waist High**2%

**Material Quality**1%

## **Common questions**

<dl>

<dt>**Is bikini bottoms profitable to sell on Amazon United Kingdom?**</dt><dd>The niche generates £48K/yr across 131 tracked products. 0 of 65 products launched in the last 360 days are still selling. 90-day search growth is +147.3%. Flapen's verdict: Worth a look (59/100).</dd>

<dt>**How competitive is the bikini bottoms niche?**</dt><dd>33 brands and 44 sellers compete. The top 5 products take 18% of clicks and top 5 brands hold 49% of demand.</dd>

<dt>**What do buyers complain about in bikini bottoms?**</dt><dd>Top complaints mined from reviews: Size-Overall, Advertised Vs Actual Product, Value For Money. The return rate is 5.8% — above our launch gate.</dd>

<dt>**When does demand for bikini bottoms peak?**</dt><dd>Demand peaks in Jun–Jul–Aug; the busiest month runs 6.9× the quietest.</dd>

<dt>**What does it cost to enter the bikini bottoms niche?**</dt><dd>Listings span £3.97–£26.55; the average listing price is £10.65 (sweet spot $15–$100). The average incumbent carries 384 reviews — the moat a new listing must climb.</dd>

</dl>

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