---
title: "Waterfall Sink — $138K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/waterfall-sink"
last_updated: "2026-08-08T08:47:05.456Z"
locale: en
meta:
description: "Niche score 44/100 · $138K/yr market · 162K searches/yr · $426.04 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 44/100 · $138K/yr market · 162K searches/yr · $426.04 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Waterfall Sink — $138K/yr Amazon US Niche (2026) - Flapen"
---
# **waterfall sink**
**Skip it**
Prices mostly outside the sweet spot ($124.87–$1106.93) — this niche doesn't clear our bar today.
Market size 30Growth 22Conversion 3Competition 75Returns 26Price range 0Avg price 11Brand share 80Review moat 96Quality gap 86
**Review moat**
**Incredible****74.18**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Great****4.1★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Great****55%**
top-5 brand share — no brand owns this niche
**Competition**
**Great****40%**
top-5 click share — an open shelf
**Market size**
**Okay****$138K**
$138K/yr · 162K searches
**Returns**
**Okay****4.9%**
return rate — above 5% kills the launch gate
**Growth**
**Bad****-6.7%**
90-day search growth — must beat 0% to launch
**Avg price**
**Bad****$426.04**
avg listing price — sweet spot $15–$100
**Conversion**
**Bad****0.2%**
search→purchase rate — share of searches ending in a sale
**Price range**
**Bad****$124.87–$1106.93**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500") [** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
According to Flapen's Amazon United States niche tracking, waterfall sink is a $138K/yr Amazon United States market (162K searches/yr). The top 5 brands hold 55% of demand. Demand peaks in Nov–Dec. Verdict: Skip it — 44/100.
Data updated Jul 28, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **waterfall sink market data**
- **Units sold / yr**
- **250–500**
- avg 0–100/product
- **Revenue / yr**
- **$107K–$213K**
- units × avg price
- **Conversion rate**
- **0.2%**
- **Avg BSR**
- **#545**
- **Page quality**
- **0%**
- **Prime**
- **71%**
- **Sponsored**
- **93%**
- **Out of stock**
- **14.8%**
- **Avg brand age**
- **28 months**
- **Avg seller age**
- **175 days**
## **Competition & brand share**
Clicks spread well past the top 5 (40% combined) — an open shelf where new products get seen.
**Brands**
**23 **▲rising
**Sellers**
**24**
**Top-5 brand share**
**55%**
Top 20: 98%
**Top-5 click share**
**40%**
Top 20: 75%
**Open market**
**38%**
- Lefton21% - OROMVO10% - Cuixoc9% - FIVIXIL7% - Logmey7% - Kunoqi7%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -6.7% search growth over the last 90 days.
9K7KSpike '24Holiday '24Prime Day '25Spike '25Black Friday '25Spike '26Prime Day '26 seasonSepDecMarJunAugNovMarMay
Peak months: Nov, Dec · busiest ÷ quietest = 2.7×
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/waterfall-sink/trend)
## **Top waterfall sink search terms**
- **smart sink**34K/yr-2.0%0.2% conv. - **lefton kitchen sink**20K/yr+41.2%0.2% conv. - **smart kitchen sink**32K/yr-29.9%0.2% conv. - **smart sink kitchen**23K/yr-25.9%0.1% conv. - **lefton sink**11K/yr+15.0%0.2% conv. - **kitchen sink with cup washer**13K/yr-14.0%0.1% conv. - **sink with cup washer**9K/yr-1.0%0.0% conv. - **boelon luxury kitchen sink**10K/yr-12.3%0.1% conv. - **fancy kitchen sink**3K/yr+8.7%0.0% conv. - **multifunctional sink**3K/yr-25.7%0.2% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/waterfall-sink/search-terms)
## **Top waterfall sink 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%4%$6K8%$11K12%$17K16%$22K1101001K 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**Lefton 33x22 Stainless Steel Waterfall Kitchen Sink with Temperature Display in Fahrenheit KS2207L-PRO (Grey 33 x 22)**Lefton**$822.55**3.2★5 rev](https://www.amazon.com/dp/B0FQTZ86XL) [2**OROMVO Smart Waterfall Kitchen Sink 31.5x17.7 Drop In Stainless Steel**OROMVO**$176.51**3.8★25 rev](https://www.amazon.com/dp/B0GCMCVHS9) [3**FIVIXIL Kitchen sink double waterfall sink with LED display with cup washer soap dispenser waterfall mixer worktop controller etc. workstation kitchen sink (Gun grey 33.5 * 18.1 * 8.7 IN)**FIVIXIL**$338.30**3.6★97 rev](https://www.amazon.com/dp/B0D73N37WJ) [4**Kunoqi 33x22 Inch Smart Waterfal Kitchen Sink Workstation Gunmetal Black Drop-In Sink Handmade 16 Gauge Stainless Steel Single Bowl**Kunoqi**$464.31**4.1★31 rev](https://www.amazon.com/dp/B0FH5DC6ZD) [5**Cuixoc Stainless Steel Smart Sink With Digital Display 29 * 18 inch Waterfall Kitchen Sink Drop In Workstation Large Single Bowl with Pull-Out Faucet & Multiple Accessories**Cuixoc**$196.41**3.7★40 rev](https://www.amazon.com/dp/B0FC71NXZN)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**OROMVO Smart Waterfall Kitchen Sink 31.5x17.7 Drop In Stainless Steel**OROMVO**$176.51**25 rev5mo ago](https://www.amazon.com/dp/B0GCMCVHS9) [**33x22 Inch Drop In Workstation Kitchen Sink - Multifunction 16 Gauge Stainless Steel Kitchen Sinks Smart Digital Display Waterfall Chef Sinks with Pull-down Faucet & Multiple Accessories**Voriva**$372.32**27 rev9mo ago](https://www.amazon.com/dp/B0FHQ6QSNY) [**Cuixoc Stainless Steel Smart Sink With Digital Display 31.5 * 17.7 inch Waterfall Kitchen Sinks Drop In Workstation Large Single Bowl with Pull-Out Faucet & Multiple Accessories**Cuixoc**$206.76**40 rev9mo ago](https://www.amazon.com/dp/B0FVTD33MM) [**Lefton New 33x22 Stainless Steel Waterfall Kitchen Sink with Temperature Display in Fahrenheit KS2207L-PRO (Grey 33x22 (w/ 1 HP Garbage Disposal))**Lefton**$1106.93**3 rev10mo ago](https://www.amazon.com/dp/B0FS74DZC2) [**Lefton 33x22 Stainless Steel Waterfall Kitchen Sink with Temperature Display in Fahrenheit KS2207L-PRO (Grey 33 x 22)**Lefton**$822.55**5 rev10mo ago](https://www.amazon.com/dp/B0FQTZ86XL)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**33x22 Waterfall Kitchen Sink Circular Design Drop In Kitchen Sinks with Faucet Combo Modern Smart Single Bowl 16 Guage Stainless Steel Workstation Sink 33x22x10 Inch Gunmetal Black**Rossinia**$358.19**4.4★**▲ 196%**](https://www.amazon.com/dp/B0GNFF7ZM8) [**Logmey 33x19 Inch Black Drop In Kitchen Sink Waterfall Smart Sinks with Digital Display 16 Gauge Stainless Steel Handmade Basin wth 5 Functions Gunmetal Black Single Bowl**Logmey**$462.23**4.6★**▲ 190%**](https://www.amazon.com/dp/B0F9LD8P1L) [**33x22 Waterfall Kitchen Sink Circular Design Drop In Kitchen Sinks with Faucet Combo Modern Smart Single Bowl 16 Guage Stainless Steel Workstation Sink 33x22x10 Inch Brushed Nickle**Rossinia**$318.80**4.4★**▲ 146%**](https://www.amazon.com/dp/B0FJHLLXPL) [**FIVIXIL Kitchen sink double waterfall sink with LED display with cup washer soap dispenser waterfall mixer worktop controller etc. workstation kitchen sink (Gun grey 33.5 * 18.1 * 8.7 IN)**FIVIXIL**$338.30**3.6★**▲ 145%**](https://www.amazon.com/dp/B0D73N37WJ) [**33x22 Inch Drop In Workstation Kitchen Sink - Multifunction 16 Gauge Stainless Steel Kitchen Sinks Smart Digital Display Waterfall Chef Sinks with Pull-down Faucet & Multiple Accessories**Voriva**$372.32**4.3★**▲ 144%**](https://www.amazon.com/dp/B0FHQ6QSNY)
**~~View all trending →~~**
## **What buyers say about waterfall sink**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**16%
*“Great quality, easy to assemble”*
**Assembly/Installation**16%
*“Easy installation”*
**Value For Money**8%
*“Reasonable price”*
**Design-Overall**8%
*“Looks great”*
**Size-Overall**7%
*“Fits perfect”*
**Ease Of Cleaning**7%
*“easy to clean”*
**Ease Of Use**4%
*“easy to use”*
**Strength**3%
*“It looks and fell solid”*
**Durability**3%
*“durable”*
**Advertised Vs Actual Product**2%
*“Better than I thought”*
### **What buyers complain about **
**Leak-Proof**17%
*“Switches might leak”*
**Quality-Overall**12%
*“BAD QUALITY”*
**Assembly/Installation**8%
*“The installation instructions are TERRIBLE & very vague”*
**Instructions/User Manual/Troubleshooting**6%
*“Difficult instructions,”*
**Size-Overall**5%
*“Return it back, didn't fit”*
**Material Quality**4%
*“CHEAP MATERIALS”*
**Add-Ons/Attachments**2%
*“button with no way to attach it”*
**Drainage**2%
*“Terrible plumbing”*
**Value For Money**2%
*“Not worth the price tag -Disappointed”*
**Rusts/Corrodes**2%
*“Now Less than two months later the surfaces of those buttons have corroded”*
### **Top return reasons **
**Size-Overall**50%
**Defective Material/Parts**8%
**Leak-Proof**7%
**Advertised Vs Actual Product**6%
**Quality-Overall**4%
**Functionality-Overall**4%
**Compatibility-Overall**3%
**Color**3%
**Material Quality**2%
**Drainage**2%
## **Common questions**
- **Is waterfall sink profitable to sell on Amazon United States?**
- The niche generates $138K/yr across 45 tracked products. 4 of 10 products launched in the last 360 days are still selling. 90-day search growth is -6.7%. Flapen's verdict: Skip it (44/100).
- **How competitive is the waterfall sink niche?**
- 23 brands and 24 sellers compete. The top 5 products take 40% of clicks and top 5 brands hold 55% of demand.
- **What do buyers complain about in waterfall sink?**
- Top complaints mined from reviews: Leak-Proof, Quality-Overall, Assembly/Installation. The return rate is 4.9%.
- **When does demand for waterfall sink peak?**
- Demand peaks in Nov–Dec; the busiest month runs 2.7× the quietest.
- **What does it cost to enter the waterfall sink niche?**
- Listings span $124.87–$1106.93; the average listing price is $426.04 (sweet spot $15–$100). The average incumbent carries 74 reviews — the moat a new listing must climb.
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