Is underwater light profitable to sell on Amazon United States?

The niche generates $129K/yr across 56 tracked products. 11 of 11 products launched in the last 360 days are still selling. 90-day search growth is +11.8%. Flapen's verdict: Worth a look (56/100).

How competitive is the underwater light niche?

40 brands and 100 sellers compete. The top 5 products take 34% of clicks and top 5 brands hold 36% of demand.

What do buyers complain about in underwater light?

Top complaints mined from reviews: Durability, Brightness/Shine/Glow, Quality-Overall. The return rate is 2.7%.

When does demand for underwater light peak?

Demand peaks in May–Jun–Jul–Aug; the busiest month runs 2.4× the quietest.

What does it cost to enter the underwater light niche?

Listings span $8.04–$383.54; the average listing price is $64.47 (sweet spot $15–$100). The average incumbent carries 918 reviews — the moat a new listing must climb.

underwater light

Worth a look

Shows no brand lock-in (top 5 brands take 36% of clicks), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Brand share

Incredible36%

top-5 brand share — no brand owns this niche

Avg price

Great$64.47

avg listing price — sweet spot $15–$100

Competition

Great34%

top-5 click share — an open shelf

Quality gap

Great4.3★

avg incumbent rating — lower means beatable quality

Review moat

Good917.5

avg incumbent reviews — the moat a new listing must climb

Returns

Good2.7%

return rate — above 5% kills the launch gate

Growth

Okay+11.8%

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

Market size

Okay$129K

$129K/yr · 114K searches

Price range

Bad$8.04–$383.54

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

Conversion

Bad1.8%

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

Signals No Dominant Brand High Price

According to Flapen's Amazon United States niche tracking, underwater light is a $129K/yr Amazon United States market (114K searches/yr). The top 5 brands hold 36% of demand. Demand peaks in May–Jun–Jul–Aug. Verdict: Worth a look — 56/100.

Data updated Jul 24, 2026 · scored weekly · How we score niches

underwater light market data

Units sold / yr: 2K–3K; avg 0–100/product
Revenue / yr: $129K–$161K; units × avg price
Conversion rate: 1.8%
Avg BSR: #36
Page quality: 0%
Prime: 96%
Sponsored: 96%
Out of stock: 3.1%
Avg brand age: 41 months
Avg seller age: 180 days

Competition & brand share

Clicks spread well past the top 5 (34% combined) — an open shelf where new products get seen.

Brands

40 falling

Sellers

100

Top-5 brand share

36%

Top 20: 78%

Top-5 click share

34%

Top 20: 68%

Open market

60%

YiaMia10%
Suptig8%
U UZOPI7%
Tendelux7%
CREPOW4%
Larlansz4%

Demand & seasonality

Weekly Amazon search volume, last 93 weeks — +11.8% search growth over the last 90 days.

Peak months: May, Jun, Jul, Aug · busiest ÷ quietest = 2.4×

Open Trend

Top underwater light search terms

underwater light53K/yr -24.0%1.7% conv.
underwater lights30K/yr +70.2%1.0% conv.
underwater led lights15K/yr +30.9%0.7% conv.
under water lights9K/yr +56.3%1.1% conv.
under water light7K/yr +62.2%0.9% conv.

All search terms

Top underwater 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.

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

YiaMia Hot Tub Lights - 2-Pack RGB Color Battery-Powered LED Pool Lights with Remote Control and Suction Cup for Ponds Decoration Parties Spas Aquariums

YiaMia$9.743.8★6,534 rev

U UZOPI Pool Lights Upgraded Rechargeable Submersible LED Lights with Remote IP68 Waterproof 16 Colors Hot Tub Underwater Pool Lights for Above Ground Inground Pool Bath Party Vase 2 Pack

U UZOPI$26.694.2★1,075 rev

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

Suptig Underwater Lights Dive Light 84 LED High Power Dimmable Waterproof LED Video Light Waterproof 164ft(50m) for Gopro Canon Nikon Pentax Panasonic Sony Samsung SLR Cameras Black

Suptig$36.154.4★1,492 rev

90led Boat Marine Led Underwater Lights Stainless Steel IP68 Waterproof Surface Mount for Stern Interior Navigation Deck Courtesy Night Fishing Cruise Ships Yachts Boats Sailboat Pontoon Transom

Larlansz$42.394.4★110 rev

Newest

by launch date

BITIWEND Pool Light LED

BITIWEND$8.9549 rev

1w ago

FISHOAKY Diving Flashlight Underwater LED Light 1500 Lumen & 3 Modes IPX8 Waterproof Flashlight Rechargeable Torch Scuba Dive Light Water Lights for Night Diving Snorkeling Outdoor Sports(Black)

FISHOAKY$16.8356 rev

3mo ago

POPOSOAP LED Underwater Pond Lights 6-Head IP68 Waterproof Pond Lights with 8H Timer Function 90 Rotatable Design & Gravity Base Fountain Lights for Pond Fountain Waterfall Aquarium Pool-P64H

POPOSOAP$39.6520 rev

4mo ago

Solar Pool Lights for Inground & Above Ground Pool 10-Color 4-Mode LED Pool Lights Underwater Swimming Pool Lights with Timer Submersible Pool Lights with Remote Waterproof Design (Black 1 Pack)

POOLHACKER$88.22347 rev

6mo ago

POLENTAT Submersible LED Lights with Remote 16 Colors 4 Modes Battery Powered Waterproof LED Pool Lights for Inground Pool Above Ground Pool Bathtub Decoration (4 Packs)

POLENTAT$18.40471 rev

6mo ago

What buyers say about underwater light

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

What buyers love

Brightness/Shine/Glow35%

“Bright and fun”

Quality-Overall9%

“Good quality lights”

Color9%

“Love the different colors”

Value For Money7%

“Great value”

Assembly/Installation5%

“Installation was quick”

Water Resistance4%

“Theyre fully waterproof”

Charging3%

“It holds a charge well”

Advertised Vs Actual Product3%

“works as expected”

Ease Of Use3%

“Easy to use”

Battery Life2%

“great battery life”

What buyers complain about

Durability22%

“Breaks easily”

Brightness/Shine/Glow10%

“Not super bright”

Quality-Overall9%

“Very poor quality and cheaply made”

Functionality-Overall6%

“no longer works”

Water Resistance6%

“NOT WATER RESISTANT”

Value For Money4%

“Not worth the cost”

Battery Life4%

“the batteries were completely dead”

Charging3%

“Even after charging it, it wont turn on”

Adhesion/Stickiness3%

“Glue doesnt work”

Rusts/Corrodes2%

“They also rust really bad”

Top return reasons

Brightness/Shine/Glow20%

Size-Overall14%

Functionality-Overall13%

Advertised Vs Actual Product10%

Defective Material/Parts6%

Charging4%

Adhesion/Stickiness4%

Value For Money3%

Color3%

Water Resistance2%

Common questions

Is underwater light profitable to sell on Amazon United States?: The niche generates $129K/yr across 56 tracked products. 11 of 11 products launched in the last 360 days are still selling. 90-day search growth is +11.8%. Flapen's verdict: Worth a look (56/100).
How competitive is the underwater light niche?: 40 brands and 100 sellers compete. The top 5 products take 34% of clicks and top 5 brands hold 36% of demand.
What do buyers complain about in underwater light?: Top complaints mined from reviews: Durability, Brightness/Shine/Glow, Quality-Overall. The return rate is 2.7%.
When does demand for underwater light peak?: Demand peaks in May–Jun–Jul–Aug; the busiest month runs 2.4× the quietest.
What does it cost to enter the underwater light niche?: Listings span $8.04–$383.54; the average listing price is $64.47 (sweet spot $15–$100). The average incumbent carries 918 reviews — the moat a new listing must climb.