---
title: "Mermaid Night Light — $21K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/mermaid-night-light"
last_updated: "2026-08-07T17:13:09.490Z"
locale: en
meta:
description: "Niche score 57/100 · $21K/yr market · 56K 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 57/100 · $21K/yr market · 56K searches/yr. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Mermaid Night Light — $21K/yr Amazon US Niche (2026) - Flapen"
---
# **mermaid night light**
**Worth a look**
Shows no brand lock-in (top 5 brands take 31% of clicks), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 5Growth 35Conversion 28Competition 84Returns 73Price range 77Avg price 80Brand share 96Review moat 68Quality gap 78
**Brand share**
**Incredible****31%**
top-5 brand share — no brand owns this niche
**Competition**
**Great****31%**
top-5 click share — an open shelf
**Avg price**
**Great****$17.09**
avg listing price — sweet spot $15–$100
**Quality gap**
**Great****4.3★**
avg incumbent rating — lower means beatable quality
**Price range**
**Great****$8.56–$37.00**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Returns**
**Good****2.1%**
return rate — above 5% kills the launch gate
**Review moat**
**Good****775.9**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Okay****+8.2%**
90-day search growth — must beat 0% to launch
**Conversion**
**Okay****2.3%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Bad****$21K**
$21K/yr · 56K searches
**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%")
According to Flapen's Amazon United States niche tracking, mermaid night light is a $21K/yr Amazon United States market (56K searches/yr). The top 5 brands hold 31% of demand. Demand peaks in Dec. Verdict: Worth a look — 57/100.
Data updated Jul 28, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **mermaid night light market data**
- **Units sold / yr**
- **2K–2K**
- avg 0–100/product
- **Revenue / yr**
- **$26K–$34K**
- units × avg price
- **Conversion rate**
- **2.3%**
- **Avg BSR**
- **#1,758**
- **Page quality**
- **0%**
- **Prime**
- **90%**
- **Sponsored**
- **85%**
- **Out of stock**
- **11.7%**
- **Avg brand age**
- **34 months**
- **Avg seller age**
- **176 days**
## **Competition & brand share**
Clicks spread well past the top 5 (31% combined) — an open shelf where new products get seen.
**Brands**
**54 **▲rising
**Sellers**
**62**
**Top-5 brand share**
**31%**
Top 20: 73%
**Top-5 click share**
**31%**
Top 20: 69%
**Open market**
**64%**
- LKUA8% - i-CHONY7% - Axxitude6% - PIKOY6% - Generic5% - EFINLUKY4%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +8.2% search growth over the last 90 days.
2K1KHoliday '24Prime Day '25Spike '25Holiday '25Spike '26Prime Day '26 seasonSepDecMarJunAugNovMarMay
Peak months: Dec · busiest ÷ quietest = 1.8×
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/mermaid-night-light/trend)
## **Top mermaid night light search terms**
- **mermaid night light**25K/yr+9.1%2.9% conv. - **mermaid light**14K/yr-5.1%1.4% conv. - **mermaid lights**6K/yr+31.3%0.9% conv. - **mermaid nightlight**4K/yr+9.0%3.1% conv. - **little mermaid night light**3K/yr+5.8%2.7% conv. - **mermaid lights for girls room**2K/yr+28.2%1.8% conv. - **mermaid night light for girls**2K/yr+13.0%4.1% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/mermaid-night-light/search-terms)
## **Top mermaid night 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%2%$4274%$8546%$1K8%$2K1101001K10K 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**LKUA Shell Pearl Beach Themed Night Light RGB 8 Colors Changing Mood Shell Pearl Lamps Bedside LED Clamshell Portable Night Lights for Bar (White)**LKUA**$25.83**4.5★974 rev](https://www.amazon.com/dp/B089S6JCG2) [2**i-CHONY Mermaid Gifts Night Light for Girls 3D Illusion Lamp with Remote & Smart Touch 16 Colors Dimmable Bedroom Decorations Bedside Lamp Mermaid Toys for Kids Girls Teens Birthday Gift**i-CHONY**$13.89**4.4★112 rev](https://www.amazon.com/dp/B0B5VJHVTJ) [3![Little Mermaid Toys 15 Soothing Sounds+18 Films+378 Colors Kids Night Light Projector 360+Remote+Cordless+Pink Mermaid Birthday Gifts for Girls Princess Toys Princess Room Decor[Dreamy Packaging]](https://m.media-amazon.com/images/I/51uhR3xDvaL.jpg)**Little Mermaid Toys 15 Soothing Sounds+18 Films+378 Colors Kids Night Light Projector 360+Remote+Cordless+Pink Mermaid Birthday Gifts for Girls Princess Toys Princess Room Decor\[Dreamy Packaging\]**PIKOY**$37.00**4.4★61 rev](https://www.amazon.com/dp/B0G93FB5H5) [4**Axxitude Pink Mermaid Fish Scales Night Lights Plug into Wall for Girls Boys Room Night Light LED Lamp Dusk to Dawn Sensor Round Lamp for Bedroom Bathroom Hallway Home Wall Decor**Axxitude**$12.59**4.6★212 rev](https://www.amazon.com/dp/B0CJ4PBP4F) [5**Mermaid Wall Light Vintage Battery Powered Wireless Night Light Elegant Tail Design Soft Glow for Bedroom Hotel Restaurant Decor Fantasy Theme Christmas Gift**Generic**$16.01**3.1★3 rev](https://www.amazon.com/dp/B0GX8M391J)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Mermaid Wall Light Vintage Battery Powered Wireless Night Light Elegant Tail Design Soft Glow for Bedroom Hotel Restaurant Decor Fantasy Theme Christmas Gift**Generic**$16.01**3 rev5mo ago](https://www.amazon.com/dp/B0GX8M391J) [**ICRICR Cute Mermaid Tail Night Lights Plug Into Wall Seashell Dusk to Dawn Light Sensor Night Light for Kids Energy Efficient Sleep Friendly Lamp for Bedroom Bathroom Nursery**ICRICR**$12.79**13 rev6mo ago](https://www.amazon.com/dp/B0GFLQYZC3) [![Little Mermaid Toys 15 Soothing Sounds+18 Films+378 Colors Kids Night Light Projector 360+Remote+Cordless+Pink Mermaid Birthday Gifts for Girls Princess Toys Princess Room Decor[Dreamy Packaging]](https://m.media-amazon.com/images/I/51uhR3xDvaL.jpg)**Little Mermaid Toys 15 Soothing Sounds+18 Films+378 Colors Kids Night Light Projector 360+Remote+Cordless+Pink Mermaid Birthday Gifts for Girls Princess Toys Princess Room Decor\[Dreamy Packaging\]**PIKOY**$37.00**61 rev7mo ago](https://www.amazon.com/dp/B0G93FB5H5) [**SKYDAWNY Mermaid Night Light Plug Into Wall Decor Nightlights for Bedroom Bathroom Hallway Stairway Kitchen with Dusk to Dawn Light Auto Sensors Led Night Lights Room Gifts**SKYDAWNY**$12.75**20 rev9mo ago](https://www.amazon.com/dp/B0FY79TK5G) [**SKYDAWNY Beautiful Mermaid Night Light Plug Into Wall Decor Nightlights for Bedroom Bathroom Hallway Stairway Kitchen with Dusk to Dawn Light Auto Sensors Led Night Lights Room Gifts**SKYDAWNY**$13.00**11 rev9mo ago](https://www.amazon.com/dp/B0FY79GYJY)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Mermaid Wall Light Vintage Battery Powered Wireless Night Light Elegant Tail Design Soft Glow for Bedroom Hotel Restaurant Decor Fantasy Theme Christmas Gift**Generic**$16.01**3.1★**▲ 290%**](https://www.amazon.com/dp/B0GX8M391J) [**KEPABIGLE 30 LED Mermaid Fairy Lights with Starfish & Seashells Battery Operated Waterproof Decorative String Lights for Bedroom Party Wedding Garden Mermaid Theme Decor (Warm White)**KEPABIGLE**$12.09**4.5★**▲ 261%**](https://www.amazon.com/dp/B0FX13DJLY) [![Little Mermaid Toys 15 Soothing Sounds+18 Films+378 Colors Kids Night Light Projector 360+Remote+Cordless+Pink Mermaid Birthday Gifts for Girls Princess Toys Princess Room Decor[Dreamy Packaging]](https://m.media-amazon.com/images/I/51uhR3xDvaL.jpg)**Little Mermaid Toys 15 Soothing Sounds+18 Films+378 Colors Kids Night Light Projector 360+Remote+Cordless+Pink Mermaid Birthday Gifts for Girls Princess Toys Princess Room Decor\[Dreamy Packaging\]**PIKOY**$37.00**4.4★**▲ 213%**](https://www.amazon.com/dp/B0G93FB5H5) [**ICRICR Cute Mermaid Tail Night Lights Plug Into Wall Seashell Dusk to Dawn Light Sensor Night Light for Kids Energy Efficient Sleep Friendly Lamp for Bedroom Bathroom Nursery**ICRICR**$12.79**4.7★**▲ 204%**](https://www.amazon.com/dp/B0GFLQYZC3) [**SKYDAWNY Mermaid Night Light Plug Into Wall Decor Nightlights for Bedroom Bathroom Hallway Stairway Kitchen with Dusk to Dawn Light Auto Sensors Led Night Lights Room Gifts**SKYDAWNY**$12.75**4.0★**▲ 139%**](https://www.amazon.com/dp/B0FY79TK5G)
**~~View all trending →~~**
## **What buyers say about mermaid night light**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Brightness/Shine/Glow**23%
*“Shine bright”*
**Color**12%
*“Attractive colors”*
**Value For Money**7%
*“Great value for the money”*
**Quality-Overall**7%
*“Very well made, her size is perfect for the deck and not heavy”*
**Gifting Purpose**6%
*“Great gift choice”*
**Night Vision**5%
*“Perfect rechargeable nightlight”*
**Design-Overall**3%
*“the design is super cute”*
**Advertised Vs Actual Product**3%
*“As advertised”*
**Remote Control**3%
*“Remote is great”*
**Sleep Quality**3%
*“Great for young children to calm them to sleep”*
### **What buyers complain about **
**Durability**23%
*“Comes apart”*
**Size-Overall**7%
*“This shell is rather large”*
**Brightness/Shine/Glow**6%
*“Not as bright as displayed”*
**Quality-Overall**6%
*“Straight garbage”*
**Charging**6%
*“Wont turn on if charged and plugged in”*
**Functionality-Overall**6%
*“Doesn't work correctly”*
**Noise Level**5%
*“while it made a little noise”*
**Advertised Vs Actual Product**4%
*“Nothing like the picture”*
**Battery Life**3%
*“Doesnt hold battery to long since I dont turn it off”*
**Value For Money**3%
*“For $15 it was not worth the money”*
### **Top return reasons **
**Brightness/Shine/Glow**15%
**Size-Overall**12%
**Functionality-Overall**11%
**Advertised Vs Actual Product**10%
**Charging**9%
**Defective Material/Parts**6%
**Quality-Overall**5%
**Bulb Flicker/Dimming/Color**5%
**Value For Money**4%
**Color**3%
## **Common questions**
- **Is mermaid night light profitable to sell on Amazon United States?**
- The niche generates $21K/yr across 60 tracked products. 4 of 22 products launched in the last 360 days are still selling. 90-day search growth is +8.2%. Flapen's verdict: Worth a look (57/100).
- **How competitive is the mermaid night light niche?**
- 54 brands and 62 sellers compete. The top 5 products take 31% of clicks and top 5 brands hold 31% of demand.
- **What do buyers complain about in mermaid night light?**
- Top complaints mined from reviews: Durability, Size-Overall, Brightness/Shine/Glow. The return rate is 2.1%.
- **When does demand for mermaid night light peak?**
- Demand peaks in Dec; the busiest month runs 1.8× the quietest.
- **What does it cost to enter the mermaid night light niche?**
- Listings span $8.56–$37.00; the average listing price is $17.09 (sweet spot $15–$100). The average incumbent carries 776 reviews — the moat a new listing must climb.
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