---
title: "Scuppers for Boats — $36K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/sports-outdoors/scuppers-for-boats"
last_updated: "2026-08-07T11:06:43.523Z"
locale: en
meta:
  description: "Niche score 56/100 · $36K/yr market · 48K searches/yr. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 56/100 · $36K/yr market · 48K searches/yr. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Scuppers for Boats — $36K/yr Amazon US Niche (2026) - Flapen"
---

# **scuppers for boats**

**Worth a look**

Shows a thin review moat (128 avg reviews), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 9Growth 70Conversion 46Competition 55Returns 60Price range 85Avg price 89Brand share 67Review moat 94Quality gap 58

**Review moat**

**Great****127.76**

avg incumbent reviews — the moat a new listing must climb

**Avg price**

**Great****$20.61**

avg listing price — sweet spot $15–$100

**Price range**

**Great****$5.37–$80.39**

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

**Growth**

**Good****+51.4%**

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

**Brand share**

**Good****65%**

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

**Returns**

**Good****2.6%**

return rate — above 5% kills the launch gate

**Quality gap**

**Good****4.4★**

avg incumbent rating — lower means beatable quality

**Competition**

**Good****52%**

top-5 click share — leaders hold, buyers still browse

**Conversion**

**Okay****3.7%**

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

**Market size**

**Bad****$36K**

$36K/yr · 48K searches

**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500")

According to Flapen's Amazon United States niche tracking, scuppers for boats is a $36K/yr Amazon United States market (48K searches/yr). The top 5 brands hold 65% of demand. Demand peaks in Apr–May–Jun–Jul. Verdict: Worth a look — 56/100.

Data updated Jul 24, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **scuppers for boats market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**2K–3K**</dd><dd>avg 0–100/product</dd>

<dt>**Revenue / yr**</dt><dd>**$41K–$52K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**3.7%**</dd>

<dt>**Avg BSR**</dt><dd>**#790**</dd>

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

<dt>**Prime**</dt><dd>**96%**</dd>

<dt>**Sponsored**</dt><dd>**68%**</dd>

<dt>**Out of stock**</dt><dd>**3.3%**</dd>

<dt>**Avg brand age**</dt><dd>**54 months**</dd>

<dt>**Avg seller age**</dt><dd>**189 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products take 52% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**18 **▼falling

**Sellers**

**117**

**Top-5 brand share**

**65%**

Top 20: 100%

**Top-5 click share**

**52%**

Top 20: 94%

**Open market**

**30%**

- BBTO22% - T-H Marine15% - attwood12% - Ahuliao9% - ulapithi7% - Ulreon5%

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — +51.4% search growth over the last 90 days.

1K750Spike '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay

Peak months: Apr, May, Jun, Jul · busiest ÷ quietest = 3.2×

[**Open Trend **](https://flapen.com/research/us/sports-outdoors/scuppers-for-boats/trend)

## **Top scuppers for boats search terms**

- **scuppers for boats**14K/yr+43.9%3.9% conv. - **boat scuppers**10K/yr+79.8%4.2% conv. - **scupper**9K/yr+41.7%1.2% conv. - **scupper flapper**5K/yr+62.2%6.7% conv. - **scupper valve**4K/yr+33.0%3.0% conv. - **scupper drain**3K/yr+27.6%0.4% conv. - **scuppers**3K/yr+65.5%3.3% conv. [**All search terms **](https://flapen.com/research/us/sports-outdoors/scuppers-for-boats/search-terms)

## **Top scuppers for boats 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%10%$4K20%$7K30%$11K40%$15K1101001K 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![BBTO 4PCS Scupper Flappers Replacement Boats Scupper Drain Valves for Boat Repair Kit Compatible with TH Mar-ine FSRK-3-DP(1 1/2)](https://m.media-amazon.com/images/I/41mOruXoTNL.jpg)**BBTO 4PCS Scupper Flappers Replacement Boats Scupper Drain Valves for Boat Repair Kit Compatible with TH Mar-ine FSRK-3-DP(1 1/2)**BBTO**$15.55**4.3★32 rev](https://www.amazon.com/dp/B0F23RGHH8) [2![Attwood 3876-3 Boat Self-Bailing Cockpit Mounted Scupper Valve Kit](https://m.media-amazon.com/images/I/41Dzd687vnL.jpg)**Attwood 3876-3 Boat Self-Bailing Cockpit Mounted Scupper Valve Kit**attwood**$12.26**4.5★346 rev](https://www.amazon.com/dp/B002FVQ0WY) [3![Ahuliao Boat Scupper Drain Valve Self-Bailing Ball Fits 3/4 Inch to 1-1/2 Inch Boats Scuppers Openings - 2 Pack](https://m.media-amazon.com/images/I/315UmGb458L.jpg)**Ahuliao Boat Scupper Drain Valve Self-Bailing Ball Fits 3/4 Inch to 1-1/2 Inch Boats Scuppers Openings - 2 Pack**Ahuliao**$21.77**4.3★64 rev](https://www.amazon.com/dp/B0D6XWSQGX) [4![T-H Marine Flow-Max Boat Self-Bailing Ball Scupper Valve - Positive Sealing Ball Drain Replaces Old Flapper Scuppers - Fits Over 1-1/8 Motorwell Tubes](https://m.media-amazon.com/images/I/31C0dw0kCIL.jpg)**T-H Marine Flow-Max Boat Self-Bailing Ball Scupper Valve - Positive Sealing Ball Drain Replaces Old Flapper Scuppers - Fits Over 1-1/8 Motorwell Tubes**T-H Marine**$16.38**4.4★479 rev](https://www.amazon.com/dp/B000XBHNH4) [5![3876-3 Boat Self-Bailing Cockpit Mounted Scupper Valve Kit 2-7/8 inch Rubber Flapper Valve and Gasket Boat Scupper Flapper Self Bailing Valve Flush Mount Scupper Adapter with Retainer Ring and Screws](https://m.media-amazon.com/images/I/41zKHsPf6TL.jpg)**3876-3 Boat Self-Bailing Cockpit Mounted Scupper Valve Kit 2-7/8 inch Rubber Flapper Valve and Gasket Boat Scupper Flapper Self Bailing Valve Flush Mount Scupper Adapter with Retainer Ring and Screws**ulapithi**$17.25**4.2★13 rev](https://www.amazon.com/dp/B0FJL86X5C)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Ulreon 2 Set 1 1/2 & 1 3/4 Boat Scupper Flapper Repair Kit Heavy Duty Marine Scupper Flaps](https://m.media-amazon.com/images/I/31p81QKzqZL.jpg)**Ulreon 2 Set 1 1/2 & 1 3/4 Boat Scupper Flapper Repair Kit Heavy Duty Marine Scupper Flaps**Ulreon**$8.89**12 rev4mo ago](https://www.amazon.com/dp/B0GJ49MMK5) [![Pirjeco Boat Self Bailing Ball Scupper Valve Self-Bailing Scupper Valve Fits 3/4 inch to 1-1/2 inch Openings Replacement for Marine Flow-Max Ball Scuppers Fits 2 Pcs](https://m.media-amazon.com/images/I/41zvG2joZPL.jpg)**Pirjeco Boat Self Bailing Ball Scupper Valve Self-Bailing Scupper Valve Fits 3/4 inch to 1-1/2 inch Openings Replacement for Marine Flow-Max Ball Scuppers Fits 2 Pcs**Pirjeco**$19.09**12 rev5mo ago](https://www.amazon.com/dp/B0GLDTZB8B) [![GSGCFYRN Boat Scuppers 2 Pack Boat Self-Bailing Cockpit Mounted Scupper Valve Kit Includes 2-7/8 inch Rubber Flapper Valve Gasket Retainer Ring and Screws Suitable for Yachts Fishing Boats RVs](https://m.media-amazon.com/images/I/31tvOnPPcYL.jpg)**GSGCFYRN Boat Scuppers 2 Pack Boat Self-Bailing Cockpit Mounted Scupper Valve Kit Includes 2-7/8 inch Rubber Flapper Valve Gasket Retainer Ring and Screws Suitable for Yachts Fishing Boats RVs**GSGCFYRN**$16.84**2 rev5mo ago](https://www.amazon.com/dp/B0G6JSXQGS) [![ETZ 4 Pack 1-1/2 Scupper Flapper Replacement Kit Boats Scupper Drain Valves Fit for TH Mar-ine FSRK-3-DP 2 Overboard Boat Scupper for Boats Stainless Steel and Plastic Boat Hull Flapper Repair Kit](https://m.media-amazon.com/images/I/419CJtcot6L.jpg)**ETZ 4 Pack 1-1/2 Scupper Flapper Replacement Kit Boats Scupper Drain Valves Fit for TH Mar-ine FSRK-3-DP 2 Overboard Boat Scupper for Boats Stainless Steel and Plastic Boat Hull Flapper Repair Kit**ETZ**$12.65**16 rev6mo ago](https://www.amazon.com/dp/B0GHYLLT3W) [![Indulward 1-1/2 Boat Scupper Drain with Flapper Thru Hull Self-Bailing Valve Anti-Backflow Design Fits 1.6 Cutout 316 Stainless Trim Easy Install for Boats & Yachts (2 Pack)](https://m.media-amazon.com/images/I/31RVmhqG-RL.jpg)**Indulward 1-1/2 Boat Scupper Drain with Flapper Thru Hull Self-Bailing Valve Anti-Backflow Design Fits 1.6 Cutout 316 Stainless Trim Easy Install for Boats & Yachts (2 Pack)**Indulward**$24.25**8 rev10mo ago](https://www.amazon.com/dp/B0FS824YFK)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Pirjeco Boat Self Bailing Ball Scupper Valve Self-Bailing Scupper Valve Fits 3/4 inch to 1-1/2 inch Openings Replacement for Marine Flow-Max Ball Scuppers Fits 2 Pcs](https://m.media-amazon.com/images/I/41zvG2joZPL.jpg)**Pirjeco Boat Self Bailing Ball Scupper Valve Self-Bailing Scupper Valve Fits 3/4 inch to 1-1/2 inch Openings Replacement for Marine Flow-Max Ball Scuppers Fits 2 Pcs**Pirjeco**$19.09**4.4★**▲ 132%**](https://www.amazon.com/dp/B0GLDTZB8B) [![BBTO 4PCS Scupper Flappers Replacement Boats Scupper Drain Valves for Boat Repair Kit Compatible with TH Mar-ine FSRK-3-DP(1 1/2)](https://m.media-amazon.com/images/I/41mOruXoTNL.jpg)**BBTO 4PCS Scupper Flappers Replacement Boats Scupper Drain Valves for Boat Repair Kit Compatible with TH Mar-ine FSRK-3-DP(1 1/2)**BBTO**$15.55**4.3★**▲ 92%**](https://www.amazon.com/dp/B0F23RGHH8) [![3876-3 Boat Self-Bailing Cockpit Mounted Scupper Valve Kit 2-7/8 inch Rubber Flapper Valve and Gasket Boat Scupper Flapper Self Bailing Valve Flush Mount Scupper Adapter with Retainer Ring and Screws](https://m.media-amazon.com/images/I/41zKHsPf6TL.jpg)**3876-3 Boat Self-Bailing Cockpit Mounted Scupper Valve Kit 2-7/8 inch Rubber Flapper Valve and Gasket Boat Scupper Flapper Self Bailing Valve Flush Mount Scupper Adapter with Retainer Ring and Screws**ulapithi**$17.25**4.2★**▲ 74%**](https://www.amazon.com/dp/B0FJL86X5C) [![ETZ 4 Pack 1-1/2 Scupper Flapper Replacement Kit Boats Scupper Drain Valves Fit for TH Mar-ine FSRK-3-DP 2 Overboard Boat Scupper for Boats Stainless Steel and Plastic Boat Hull Flapper Repair Kit](https://m.media-amazon.com/images/I/419CJtcot6L.jpg)**ETZ 4 Pack 1-1/2 Scupper Flapper Replacement Kit Boats Scupper Drain Valves Fit for TH Mar-ine FSRK-3-DP 2 Overboard Boat Scupper for Boats Stainless Steel and Plastic Boat Hull Flapper Repair Kit**ETZ**$12.65**4.1★**▲ 71%**](https://www.amazon.com/dp/B0GHYLLT3W) [![Sthovd 3876-3 Boat Self-Bailing Cockpit Mounted Scupper Valve Kit 2-7/8 inch Rubber Flapper Valve and Gasket Boat Scuppers with Leak-Proof Cockpit Scupper Flapper with Repair Fixing Ring and Screws](https://m.media-amazon.com/images/I/31HMqJZU5sL.jpg)**Sthovd 3876-3 Boat Self-Bailing Cockpit Mounted Scupper Valve Kit 2-7/8 inch Rubber Flapper Valve and Gasket Boat Scuppers with Leak-Proof Cockpit Scupper Flapper with Repair Fixing Ring and Screws**Sthovd**$16.57**4.7★**▲ 65%**](https://www.amazon.com/dp/B0FJKL9MNN)

**~~View all trending →~~**

## **What buyers say about scuppers for boats**

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

### **What buyers love **

**Size-Overall**28%

*“They fit perfectly on my boat”*

**Quality-Overall**22%

*“I have zero complaints about these cupper valves”*

**Advertised Vs Actual Product**9%

*“Works as advertised”*

**Value For Money**6%

*“Good for the price”*

**Assembly/Installation**6%

*“Easy installation”*

**Material Quality**5%

*“They are made of what feels to be a very strong and durable plastic and then the black rubber”*

**Design-Overall**5%

*“Great effective design”*

**Durability**4%

*“They feel very durable and well made”*

**Instructions/User Manual/Troubleshooting**2%

*“These were great pay attention to the instructions when you install”*

**Ease Of Cleaning**2%

*“The polished finish adds a clean”*

### **What buyers complain about **

**Size-Overall**25%

*“they were slightly smaller than advertised”*

**Functionality-Overall**13%

*“Sink. Dont sync your boat like I did. Sink. Only for above waterline, Jouse”*

**Noise Level**7%

*“give the occupants farting sounds while underway”*

**Rubber Quality**7%

*“Poor quality rubber scupper”*

**Buoyancy**7%

*“It takes a while for the ball to not catch and freely float”*

**Water Resistance**7%

*“Water pours in”*

**Material Quality**3%

*“Plastic garbage”*

**Quality-Overall**3%

*“Total trash”*

**Storage Capacity**3%

*“was not strong enough to open the storage”*

**Flexibility**3%

*“hardened so lost flexibility”*

### **Top return reasons **

**Size-Overall**72%

**Advertised Vs Actual Product**5%

**Compatibility-Overall**4%

**Defective Material/Parts**4%

**Functionality-Overall**2%

**Mounting**2%

**Quality-Overall**2%

**Assembly/Installation**2%

**Value For Money**1%

**Leak-Proof**1%

## **Common questions**

<dl>

<dt>**Is scuppers for boats profitable to sell on Amazon United States?**</dt><dd>The niche generates $36K/yr across 25 tracked products. 0 of 6 products launched in the last 360 days are still selling. 90-day search growth is +51.4%. Flapen's verdict: Worth a look (56/100).</dd>

<dt>**How competitive is the scuppers for boats niche?**</dt><dd>18 brands and 117 sellers compete. The top 5 products take 52% of clicks and top 5 brands hold 65% of demand.</dd>

<dt>**What do buyers complain about in scuppers for boats?**</dt><dd>Top complaints mined from reviews: Size-Overall, Functionality-Overall, Noise Level. The return rate is 2.6%.</dd>

<dt>**When does demand for scuppers for boats peak?**</dt><dd>Demand peaks in Apr–May–Jun–Jul; the busiest month runs 3.2× the quietest.</dd>

<dt>**What does it cost to enter the scuppers for boats niche?**</dt><dd>Listings span $5.37–$80.39; the average listing price is $20.61 (sweet spot $15–$100). The average incumbent carries 128 reviews — the moat a new listing must climb.</dd>

</dl>

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