---
title: "Underwater Dock Light — $145K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/sports-outdoors/underwater-dock-light"
last_updated: "2026-08-06T02:13:11.421Z"
locale: en
meta:
description: "Niche score 53/100 · $145K/yr market. Prices mostly outside the sweet spot ($27.05–$1718.81) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 53/100 · $145K/yr market. Prices mostly outside the sweet spot ($27.05–$1718.81) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Underwater Dock Light — $145K/yr Amazon US Niche (2026) - Flapen"
---
# **underwater dock light**
**Worth a look**
Shows a thin review moat (134 avg reviews), but prices mostly outside the sweet spot ($27.05–$1718.81) keeps it on the watch list.
Market size 31Growth 58Conversion 27Competition 57Returns 78Price range 4Avg price 39Brand share 68Review moat 93Quality gap 67
**Review moat**
**Great****134**
avg incumbent reviews — the moat a new listing must climb
**Returns**
**Great****1.8%**
return rate — above 5% kills the launch gate
**Brand share**
**Good****64%**
top-5 brand share — brands hold most of the demand
**Quality gap**
**Good****4.3★**
avg incumbent rating — lower means beatable quality
**Growth**
**Good****+33.4%**
90-day search growth — must beat 0% to launch
**Competition**
**Good****51%**
top-5 click share — leaders hold, buyers still browse
**Avg price**
**Okay****$247.68**
avg listing price — sweet spot $15–$100
**Market size**
**Okay****$145K**
$145K/yr · 28K searches
**Conversion**
**Okay****2.1%**
search→purchase rate — share of searches ending in a sale
**Price range**
**Bad****$27.05–$1718.81**
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, underwater dock light is a $145K/yr Amazon United States market (28K searches/yr). The top 5 brands hold 64% of demand. Demand peaks in Jun–Jul. Verdict: Worth a look — 53/100.
Data updated Jul 22, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **underwater dock light market data**
- **Units sold / yr**
- **500–750**
- avg 0–100/product
- **Revenue / yr**
- **$124K–$186K**
- units × avg price
- **Conversion rate**
- **2.1%**
- **Avg BSR**
- **#1,242**
- **Page quality**
- **0%**
- **Prime**
- **68%**
- **Sponsored**
- **96%**
- **Out of stock**
- **3.5%**
- **Avg brand age**
- **43 months**
- **Avg seller age**
- **183 days**
## **Competition & brand share**
The top 5 products take 51% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**19 **▲rising
**Sellers**
**43**
**Top-5 brand share**
**64%**
Top 20: 100%
**Top-5 click share**
**51%**
Top 20: 91%
**Open market**
**30%**
- Tendelux24% - Goldlife15% - Green Blob Outdoors10% - Green Glow Dock Light7% - DEEP GLOW7% - LOSTCAT6%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +33.4% search growth over the last 90 days.
800600Spike '24Holiday '24Spike '25Black Friday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jun, Jul · busiest ÷ quietest = 2.0×
[**Open Trend **](https://flapen.com/research/us/sports-outdoors/underwater-dock-light/trend)
## **Top underwater dock light search terms**
- **underwater dock lights**10K/yr+70.8%1.4% conv. - **underwater dock light**6K/yr+49.5%2.1% conv. - **green dock light**6K/yr+47.9%1.6% conv. - **green blob underwater fishing light**6K/yr-78.8%0.9% conv. [**All search terms **](https://flapen.com/research/us/sports-outdoors/underwater-dock-light/search-terms)
## **Top underwater dock light 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%$15K20%$29K30%$44K40%$58K1101001K10K 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**Tendelux Underwater Fishing Light 110V & 12V Super Bright Green LED Submersible Light Attractants for Docks Boats or Kayaks IP68 Rated for Fresh & Salt Water (30ft Cable)**Tendelux**$77.72**4.6★279 rev](https://www.amazon.com/dp/B0B8JR1NS7) [2**Goldlife 400W LED Green Underwater Fishing Light 12Inch 100ft Cable110V GFCI Safety PlugIP69K Submersible Attractants Lightfor Docks/Boats/Kayaksfor Fresh & Salt Water Fishing**Goldlife**$159.00**4.3★71 rev](https://www.amazon.com/dp/B0GJK26B4M) [3**Green Underwater Dock Light - Brightest HID Submersible Light for Enhanced Fishing Dock Illumination Nighttime Safety Easy Installation - Easy Installation**DEEP GLOW**$472.77**4.5★79 rev](https://www.amazon.com/dp/B008EGCZEQ) [4**Green Blob Outdoors Underwater Fishing Light**Green Blob Outdoors**$188.04**4.0★27 rev](https://www.amazon.com/dp/B0DHXWSMHG) [5**LOSTCAT 18W DC 12V Green IP68 Waterproof Aluminum Super Bright LED Fish Bait Submersible Dock Underwater Fishing Light Attractants for at Night Snook Crappie with Battery Clamps**LOSTCAT**$29.19**4.4★211 rev](https://www.amazon.com/dp/B09PHFHJMC)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**JESLED 110V & 12V/24V Underwater Green Fishing Light 80W**JESLED**$140.17**6 rev3mo ago](https://www.amazon.com/dp/B0GTXKV3PC) [**Goldlife 110V Underwater Green Fishing Light with 100ft Cable 21Inch 800W 80000LM GFCI Safety Plug Brightness LED Light Attractants for Docks/Boats/Kayaks IP69K Rated for Fresh & Salt Water**Goldlife**$216.04**71 rev5mo ago](https://www.amazon.com/dp/B0GJJJBMWQ) [**CexnVerny 150W 20000LM Green Underwater Fishing Light Submersible LED Light with Tow Rope for Dock Boat Shore Night Fishing Fresh & Salt Water Fish Attractor Light 33ft Cable**CexnVerny**$95.13**21 rev6mo ago](https://www.amazon.com/dp/B0GJ5KKL8N) [**NS Green Underwater Fishing Light 120W 15 000LM 110V AC & 12V DC Dual Power LED Submersible Night Dock & Boat Light Waterproof Saltwater Night Fish Kit for Crappie Lake & Kayak**NS**$153.00**29 rev7mo ago](https://www.amazon.com/dp/B0G7ZBZ2M2) [**Underwater Fishing Light 25W 2700LM Green Fishing Light IP68 High Efficiency LED Fish Attractor Lamp UL Certified 32.8ft Cable Waterproof Submersible Lamp for Boat Dock Kayaks**HappyAlley**$49.43**25 rev10mo ago](https://www.amazon.com/dp/B0FP4QKDK5)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Goldlife Underwater Fishing Light 110V with 50ft Cable 400W 40000LM Foldable GFCI Safety Plug Brightness Green LED Light Attractants for Docks/Boats/Kayaks IP69K Rated for Fresh & Salt Water**Goldlife**$199.35**4.2★**▲ 206%**](https://www.amazon.com/dp/B0GZTH7N8C) [**CexnVerny 150W 20000LM Green Underwater Fishing Light Submersible LED Light with Tow Rope for Dock Boat Shore Night Fishing Fresh & Salt Water Fish Attractor Light 33ft Cable**CexnVerny**$95.13**4.6★**▲ 204%**](https://www.amazon.com/dp/B0GJ5KKL8N) [**JESLED 110V & 12V/24V Underwater Green Fishing Light 80W**JESLED**$140.17**5.0★**▲ 204%**](https://www.amazon.com/dp/B0GTXKV3PC) [**Goldlife 110V Underwater Green Fishing Light with 100ft Cable 21Inch 800W 80000LM GFCI Safety Plug Brightness LED Light Attractants for Docks/Boats/Kayaks IP69K Rated for Fresh & Salt Water**Goldlife**$216.04**4.3★**▲ 185%**](https://www.amazon.com/dp/B0GJJJBMWQ) [**Green Blob Outdoors Underwater Green LED Dock Fishing Light Attractor**Green Blob Outdoors**$169.98**3.7★**▲ 141%**](https://www.amazon.com/dp/B076QK4DTD)
**~~View all trending →~~**
## **What buyers say about underwater dock light**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Brightness/Shine/Glow**36%
*“Great lights”*
**Quality-Overall**11%
*“The build quality looks excellent”*
**Durability**7%
*“Very durable”*
**Water Resistance**5%
*“It is waterproof”*
**Advertised Vs Actual Product**5%
*“product as described”*
**Ease Of Use**5%
*“Easy to use”*
**Value For Money**4%
*“Good value”*
**Design-Overall**2%
*“Well constructed”*
**Efficiency**2%
*“This product is highly effective”*
**Assembly/Installation**2%
*“Setup was simple”*
### **What buyers complain about **
**Durability**32%
*“Broken”*
**Brightness/Shine/Glow**7%
*“would not light up”*
**Functionality-Overall**4%
*“it just does not work”*
**Value For Money**4%
*“Too expensive to last such a short time”*
**Leak-Proof**4%
*“It leaked water after the first use”*
**Water Resistance**3%
*“Perhaps Not For Saltwater Use”*
**Size-Overall**2%
*“Its small”*
**Weight Heavy**2%
*“Im not sure if I should remove that plastic or if it stays on its so heavy”*
**Flammable**2%
*“It burned out immediately”*
**Instructions/User Manual/Troubleshooting**2%
*“No directions”*
### **Top return reasons **
**Brightness/Shine/Glow**28%
**Functionality-Overall**16%
**Size-Overall**11%
**Advertised Vs Actual Product**6%
**Color**5%
**Defective Material/Parts**5%
**Bulb Flicker/Dimming/Color**4%
**Value For Money**4%
**Water Resistance**3%
**Durability**3%
## **Common questions**
- **Is underwater dock light profitable to sell on Amazon United States?**
- The niche generates $145K/yr across 28 tracked products. 7 of 8 products launched in the last 360 days are still selling. 90-day search growth is +33.4%. Flapen's verdict: Worth a look (53/100).
- **How competitive is the underwater dock light niche?**
- 19 brands and 43 sellers compete. The top 5 products take 51% of clicks and top 5 brands hold 64% of demand.
- **What do buyers complain about in underwater dock light?**
- Top complaints mined from reviews: Durability, Brightness/Shine/Glow, Functionality-Overall. The return rate is 1.8%.
- **When does demand for underwater dock light peak?**
- Demand peaks in Jun–Jul; the busiest month runs 2.0× the quietest.
- **What does it cost to enter the underwater dock light niche?**
- Listings span $27.05–$1718.81; the average listing price is $247.68 (sweet spot $15–$100). The average incumbent carries 134 reviews — the moat a new listing must climb.
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