---
title: "Underwater Light — $129K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/underwater-light"
last_updated: "2026-08-06T16:06:03.631Z"
locale: en
meta:
description: "Niche score 56/100 · $129K/yr market. 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 · $129K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Underwater Light — $129K/yr Amazon US Niche (2026) - Flapen"
---
# **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.
Market size 29Growth 40Conversion 22Competition 81Returns 57Price range 23Avg price 88Brand share 95Review moat 65Quality gap 77
**Brand share**
**Incredible****36%**
top-5 brand share — no brand owns this niche
**Avg price**
**Great****$64.47**
avg listing price — sweet spot $15–$100
**Competition**
**Great****34%**
top-5 click share — an open shelf
**Quality gap**
**Great****4.3★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Good****917.5**
avg incumbent reviews — the moat a new listing must climb
**Returns**
**Good****2.7%**
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**
**Bad****1.8%**
search→purchase rate — share of searches ending in a sale
**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%") [** 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 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 ~~](https://flapen.com/research/methodology)
## **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.
3K2KSpike '25Spike '26 seasonDecMarJunAugNovMarMay
Peak months: May, Jun, Jul, Aug · busiest ÷ quietest = 2.4×
[**Open Trend **](https://flapen.com/research/us/patio-lawn-garden/underwater-light/trend)
## **Top underwater light search terms**
- **underwater light**53K/yr-24.0%1.7% conv. - **underwater lights**30K/yr+70.2%1.0% conv. - **underwater led lights**15K/yr+30.9%0.7% conv. - **under water lights**9K/yr+56.3%1.1% conv. - **under water light**7K/yr+62.2%0.9% conv. [**All search terms **](https://flapen.com/research/us/patio-lawn-garden/underwater-light/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.
0%3%$4K6%$8K9%$12K12%$15K101001K10K 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**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**$9.74**3.8★6,534 rev](https://www.amazon.com/dp/B0C9TSYS8X) [2**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**$26.69**4.2★1,075 rev](https://www.amazon.com/dp/B0BR57JFCC) [3**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) [4**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**$36.15**4.4★1,492 rev](https://www.amazon.com/dp/B07BY7127G) [5**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**$42.39**4.4★110 rev](https://www.amazon.com/dp/B0D49D3G29)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**BITIWEND Pool Light LED**BITIWEND**$8.95**49 rev1w ago](https://www.amazon.com/dp/B0GCY9BF67) [**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**$16.83**56 rev3mo ago](https://www.amazon.com/dp/B0GSTKJVVW) [**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**$39.65**20 rev4mo ago](https://www.amazon.com/dp/B0GH16598K) [**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**$88.22**347 rev6mo ago](https://www.amazon.com/dp/B0GHQWR7BD) [**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**$18.40**471 rev6mo ago](https://www.amazon.com/dp/B0GHQ6H553)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**BITIWEND Pool Light LED**BITIWEND**$8.95**3.1★**▲ 198%**](https://www.amazon.com/dp/B0GCY9BF67) [**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**$16.83**4.4★**▲ 196%**](https://www.amazon.com/dp/B0GSTKJVVW) [**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**$39.65**4.8★**▲ 196%**](https://www.amazon.com/dp/B0GH16598K) [**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**$18.40**4.1★**▲ 174%**](https://www.amazon.com/dp/B0GHQ6H553) [**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**$88.22**4.3★**▲ 173%**](https://www.amazon.com/dp/B0GHQWR7BD)
**~~View all trending →~~**
## **What buyers say about underwater light**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Brightness/Shine/Glow**35%
*“Bright and fun”*
**Quality-Overall**9%
*“Good quality lights”*
**Color**9%
*“Love the different colors”*
**Value For Money**7%
*“Great value”*
**Assembly/Installation**5%
*“Installation was quick”*
**Water Resistance**4%
*“Theyre fully waterproof”*
**Charging**3%
*“It holds a charge well”*
**Advertised Vs Actual Product**3%
*“works as expected”*
**Ease Of Use**3%
*“Easy to use”*
**Battery Life**2%
*“great battery life”*
### **What buyers complain about **
**Durability**22%
*“Breaks easily”*
**Brightness/Shine/Glow**10%
*“Not super bright”*
**Quality-Overall**9%
*“Very poor quality and cheaply made”*
**Functionality-Overall**6%
*“no longer works”*
**Water Resistance**6%
*“NOT WATER RESISTANT”*
**Value For Money**4%
*“Not worth the cost”*
**Battery Life**4%
*“the batteries were completely dead”*
**Charging**3%
*“Even after charging it, it wont turn on”*
**Adhesion/Stickiness**3%
*“Glue doesnt work”*
**Rusts/Corrodes**2%
*“They also rust really bad”*
### **Top return reasons **
**Brightness/Shine/Glow**20%
**Size-Overall**14%
**Functionality-Overall**13%
**Advertised Vs Actual Product**10%
**Defective Material/Parts**6%
**Charging**4%
**Adhesion/Stickiness**4%
**Value For Money**3%
**Color**3%
**Water Resistance**2%
## **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.
## **Related niches in Patio, Lawn & Garden**
- 82 [**lawn aerator**](https://flapen.com/research/us/patio-lawn-garden/lawn-aerator)$6.2M/yr+90.1%**Launch it**- 82 [**shepherds hooks for outdoor**](https://flapen.com/research/us/patio-lawn-garden/shepherds-hooks-for-outdoor)$3.9M/yr+141.2%**Launch it**- 82 [**garden mesh**](https://flapen.com/research/us/patio-lawn-garden/garden-mesh)$716K/yr+152.7%**Worth a look**- 83 [**chicken waterer**](https://flapen.com/research/us/patio-lawn-garden/chicken-waterer)$3.4M/yr+70.1%**Launch it**- 83 [**75 foot garden hose**](https://flapen.com/research/us/patio-lawn-garden/75-foot-garden-hose)$1.8M/yr+117.6%**Launch it**- 83 [**bird deterrents for outside**](https://flapen.com/research/us/patio-lawn-garden/bird-deterrents-for-outside)$2.1M/yr+131.5%**Launch it**[**All Patio, Lawn & Garden niches **](https://flapen.com/research/us/patio-lawn-garden)