underwater dock light
Worth a lookShows a thin review moat (134 avg reviews), but prices mostly outside the sweet spot ($27.05–$1718.81) keeps it on the watch list.
Review moat
Great134avg incumbent reviews — the moat a new listing must climb
Returns
Great1.8%return rate — above 5% kills the launch gate
Brand share
Good64%top-5 brand share — brands hold most of the demand
Quality gap
Good4.3★avg incumbent rating — lower means beatable quality
Growth
Good+33.4%90-day search growth — must beat 0% to launch
Competition
Good51%top-5 click share — leaders hold, buyers still browse
Avg price
Okay$247.68avg listing price — sweet spot $15–$100
Market size
Okay$145K$145K/yr · 28K searches
Conversion
Okay2.1%search→purchase rate — share of searches ending in a sale
Price range
Bad$27.05–$1718.81cheapest to priciest tracked listing — scored on the share inside $15–$100
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
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.Peak months: Jun, Jul · busiest ÷ quietest = 2.0×
Top underwater dock light search terms
- underwater dock lights10K/yr
- underwater dock light6K/yr
- green dock light6K/yr
- green blob underwater fishing light6K/yr
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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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$77.724.6★279 rev
Goldlife 400W LED Green Underwater Fishing Light 12Inch 100ft Cable110V GFCI Safety PlugIP69K Submersible Attractants Lightfor Docks/Boats/Kayaksfor Fresh & Salt Water Fishing
Goldlife$159.004.3★71 rev
Green Underwater Dock Light - Brightest HID Submersible Light for Enhanced Fishing Dock Illumination Nighttime Safety Easy Installation - Easy Installation
DEEP GLOW$472.774.5★79 rev
Green Blob Outdoors Underwater Fishing Light
Green Blob Outdoors$188.044.0★27 rev
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$29.194.4★211 rev
Newest
by launch date
JESLED 110V & 12V/24V Underwater Green Fishing Light 80W
JESLED$140.176 rev
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$216.0471 rev
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$95.1321 rev
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$153.0029 rev
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$49.4325 rev
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$199.354.2★
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$95.134.6★
JESLED 110V & 12V/24V Underwater Green Fishing Light 80W
JESLED$140.175.0★
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$216.044.3★
Green Blob Outdoors Underwater Green LED Dock Fishing Light Attractor
Green Blob Outdoors$169.983.7★
What buyers say about underwater dock light
What buyers praise and complain about, mined from review topics.What buyers love
“Great lights”
“The build quality looks excellent”
“Very durable”
“It is waterproof”
“product as described”
“Easy to use”
“Good value”
“Well constructed”
“This product is highly effective”
“Setup was simple”
What buyers complain about
“Broken”
“would not light up”
“it just does not work”
“Too expensive to last such a short time”
“It leaked water after the first use”
“Perhaps Not For Saltwater Use”
“Its small”
“Im not sure if I should remove that plastic or if it stays on its so heavy”
“It burned out immediately”
“No directions”
Top return reasons
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.