---
title: "Mermaid Necklace — $3K/mo Amazon US Product Research (2026)"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/mermaid-necklace"
last_updated: "2026-08-12T06:27:01.496Z"
locale: en
meta:
description: "Amazon product research for mermaid necklace: $3K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:description": "Amazon product research for mermaid necklace: $3K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:title": "Mermaid Necklace — $3K/mo Amazon US Product Research (2026)"
---
# **Mermaid Necklace**
**Skip it**
A small market ($35K/yr) — this niche doesn't clear our bar today.
Market size 9Growth 58Conversion 28Competition 17Returns 18Price range 14Avg price 54Brand share 31Review moat 70Quality gap 37
**Review moat**
**Good****686.25**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Good****+32.7%**
90-day search growth — must beat 0% to launch
**Avg price**
**Good****$12.43**
avg listing price — sweet spot $15–$100
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Okay****86%**
top-5 brand share — brands hold most of the demand
**Conversion**
**Okay****2.3%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Bad****6.9%**
return rate — above 5% kills the launch gate
**Competition**
**Bad****79%**
top-5 click share — a locked-up shelf
**Price range**
**Bad****$6.76–$16.31**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Bad****$35K**
$35K/yr · 125K searches
**Signals**[** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%")
## **Is mermaid necklace profitable on Amazon?**
According to Flapen's Amazon United States niche tracking, mermaid necklace is a $35K/yr Amazon United States market (125K searches/yr). The top 5 brands hold 86% of demand. Demand peaks in Oct. Verdict: Skip it — 31/100.
Data updated Jul 22, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **mermaid necklace market size & sales**
Units sold, revenue, conversion and listing quality across the tracked shelf.
- **Units sold / yr**
- **3K–4K**
- avg 100–250/product
- **Revenue / yr**
- **$37K–$50K**
- units × avg price
- **Conversion rate**
- **2.3%**
- **Avg BSR**
- **#2,138**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **92%**
- **Out of stock**
- **2.0%**
- **Avg brand age**
- **30 months**
- **Avg seller age**
- **169 days**
## **Competition: brands, sellers & click share**
The top 5 products capture 79% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**9 **▼falling
**Sellers**
**11**
**Top-5 brand share**
**86%**
Top 20: 100%
**Top-5 click share**
**79%**
Top 20: 100%
**Open market**
**9%**
- Jadive39% - swglcowo20% - luomart13% - Coiris9% - Sphers6% - Baydurcan5% - Open — no brand owns it (3 brands, 9%)
## **mermaid necklace demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +32.7% search growth over the last 90 days.
15K10KSpike '24Spike '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Oct · busiest ÷ quietest = 5.1×
[**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/mermaid-necklace/trend)
## **Top mermaid necklace search terms shoppers use**
The exact queries shoppers type, with yearly volume, growth and conversion.
- **mermaid necklace**73K/yr+33.4%0.4% conv. - **mermaid bracelet**26K/yr+36.6%0.1% conv. - **mermaid necklaces for women**13K/yr+46.9%0.2% conv. - **little mermaid jewelry**9K/yr-10.1%0.4% conv. - **mermaid necklaces**4K/yr+82.6%0.3% conv. [**All search terms **](https://flapen.com/research/us/clothing-shoes-jewelry/mermaid-necklace/search-terms)
## **Top mermaid necklace products & what they sell for**
Every tracked product — its share of the shelf, its review moat, and what it sells for.
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%10%$4K20%$7K30%$11K40%$14K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 12 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Jadive Mermaid Jewelry Set for Girls 4 Pcs Mermaid Necklace Bracelet Ring Earrings for Kids Little Girls Ocean Dress up Pretend Play Supplies Birthday Gifts(Cute Style Purple)**Jadive**$8.05**4.6★929 rev](https://www.amazon.com/dp/B09998YG9Q) [2**Seashell Pearl Pendant Necklace Gold Plated Boho Enamel Pink Blue Scallop Sea Shell Starfish Ocean Animal Chain Necklace for Women Hawaiian Summer Beach Holiday Fashion Jewelry Gifts (Pink)**swglcowo**$7.74**4.5★19 rev](https://www.amazon.com/dp/B0CYNVDVSN) [3**Coiris Natural Seashell Choker Necklaces Earrings Jewelry Set for Women Starfish Shell Freshwater Pearl Collar Necklaces for Women Irregular Mother of Pearl Jewelry Set(ST0023-Nature)**Coiris**$14.40**4.5★201 rev](https://www.amazon.com/dp/B0D5GF7D5Z) [4**Sphers Big Mermaid Necklace Water Necklace Fashion Blue Natural Zircon Copper Pendant Mermaid Locket Jewelry Women Gift**Sphers**$16.31**4.4★279 rev](https://www.amazon.com/dp/B0C33L5W92) [5**luomart Little Mermaid Necklaces for Girls Birthstone Pendant Jewelry Gifts Set for Women Teens (Girls Mix)**luomart**$14.31**4.6★492 rev](https://www.amazon.com/dp/B087MVRP2P)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Baydurcan Gold Mermaid Necklace Best Friend Bestie Gifts for Women Mermaid Accessories (Mermaids)**Baydurcan**$12.95**340 rev11mo ago](https://www.amazon.com/dp/B0FKGH55M3) [**Coiris Natural Seashell Choker Necklaces Earrings Jewelry Set for Women Starfish Shell Freshwater Pearl Collar Necklaces for Women Irregular Mother of Pearl Jewelry Set(ST0023-Nature)**Coiris**$14.40**201 rev2y ago](https://www.amazon.com/dp/B0D5GF7D5Z) [**Seashell Pearl Pendant Necklace Gold Plated Boho Enamel Pink Blue Scallop Sea Shell Starfish Ocean Animal Chain Necklace for Women Hawaiian Summer Beach Holiday Fashion Jewelry Gifts (Pink)**swglcowo**$7.74**19 rev2y ago](https://www.amazon.com/dp/B0CYNVDVSN) [**RFTWXHPN Mermaid Necklaces Heart Birthstone Necklace for Women Rainbow Mermaid Necklace Christmas Birthday Gift for Sister Granddaughter Mermaids Lover Gifts Mermaids Costume Necklace**RFTWXHPN**$6.76**37 rev2y ago](https://www.amazon.com/dp/B0CGH9V5RB) [**Sphers Big Mermaid Necklace Water Necklace Fashion Blue Natural Zircon Copper Pendant Mermaid Locket Jewelry Women Gift**Sphers**$16.31**279 rev3y ago](https://www.amazon.com/dp/B0C33L5W92)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Coiris Natural Seashell Choker Necklaces Earrings Jewelry Set for Women Starfish Shell Freshwater Pearl Collar Necklaces for Women Irregular Mother of Pearl Jewelry Set(ST0023-Nature)**Coiris**$14.40**4.5★**▲ 38%**](https://www.amazon.com/dp/B0D5GF7D5Z) [**Seashell Pearl Pendant Necklace Gold Plated Boho Enamel Pink Blue Scallop Sea Shell Starfish Ocean Animal Chain Necklace for Women Hawaiian Summer Beach Holiday Fashion Jewelry Gifts (Pink)**swglcowo**$7.74**4.5★**▲ 34%**](https://www.amazon.com/dp/B0CYNVDVSN) [**luomart Little Mermaid Necklaces for Girls Birthstone Pendant Jewelry Gifts Set for Women Teens (Girls Mix)**luomart**$14.31**4.6★**▲ 33%**](https://www.amazon.com/dp/B087MVRP2P) [**luomart Little Mermaid Necklaces for Girls Birthstone Pendant Jewelry Gifts Set for Women Teens (Girls Pink)**luomart**$14.28**4.6★**▲ 14%**](https://www.amazon.com/dp/B087MXMT8D) [**Sphers Big Mermaid Necklace Water Necklace Fashion Blue Natural Zircon Copper Pendant Mermaid Locket Jewelry Women Gift**Sphers**$16.31**4.4★**— 10%**](https://www.amazon.com/dp/B0C33L5W92)
**~~View all trending →~~**
## **What reviews say buyers love and hate about mermaid necklace**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Advertised Vs Actual Product**33%
*“IT WAS JUST LIKE THE PICTURE”*
**Color**33%
*“Very pretty”*
**Value For Money**17%
*“GREAT PRICE”*
**Quality-Overall**17%
*“HIGH QUALITY”*
### **What buyers complain about **
**Durability**50%
*“Broke right away”*
**Quality-Overall**50%
*“Cheap”*
### **Top return reasons **
**Size-Overall**35%
**Quality-Overall**13%
**Advertised Vs Actual Product**10%
**Neck Fit**6%
**Defective Material/Parts**6%
**Weight Heavy**6%
**Color**4%
**Material Quality**4%
**Metal Authenticity**4%
**Chain/Key Quality**2%
## **Common mermaid necklace questions**
- **Is mermaid necklace profitable to sell on Amazon United States?**
- The niche generates $35K/yr across 12 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +32.7%. Flapen's verdict: Skip it (31/100).
- **How competitive is the mermaid necklace niche?**
- 9 brands and 11 sellers compete. The top 5 products take 79% of clicks and top 5 brands hold 86% of demand.
- **What do buyers complain about in mermaid necklace?**
- Top complaints mined from reviews: Durability, Quality-Overall. The return rate is 6.9% — above our launch gate.
- **When does demand for mermaid necklace peak?**
- Demand peaks in Oct; the busiest month runs 5.1× the quietest.
- **What does it cost to enter the mermaid necklace niche?**
- Listings span $6.76–$16.31; the average listing price is $12.43 (sweet spot $15–$100). The average incumbent carries 686 reviews — the moat a new listing must climb.
## **Related niches to research next**
Same-category niches scoring near this one — the next ones worth researching.
- 72 [**first communion gifts for boys**](https://flapen.com/research/us/clothing-shoes-jewelry/first-communion-gifts-for-boys)$398K/yr+223.5%**Worth a look**- 72 [**fifa world cup 2026 tshirt**](https://flapen.com/research/us/clothing-shoes-jewelry/fifa-world-cup-2026-tshirt)$177K/yr>1,000%**Worth a look**- 72 [**american flag hat**](https://flapen.com/research/us/clothing-shoes-jewelry/american-flag-hat)$764K/yr+428.8%**Worth a look**- 72 [**white socks men**](https://flapen.com/research/us/clothing-shoes-jewelry/white-socks-men)$3.0M/yr+13.3%**Launch it**- 72 [**american flag overalls**](https://flapen.com/research/us/clothing-shoes-jewelry/american-flag-overalls)$662K/yr>1,000%**Worth a look**- 73 [**white ankle socks for men**](https://flapen.com/research/us/clothing-shoes-jewelry/white-ankle-socks-for-men)$448K/yr+88.3%**Worth a look**[**All Clothing, Shoes & Jewelry niches **](https://flapen.com/research/us/clothing-shoes-jewelry)