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31

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

Good686.25

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

Okay4.5★

avg incumbent rating — lower means beatable quality

Brand share

Okay86%

top-5 brand share — brands hold most of the demand

Conversion

Okay2.3%

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

Returns

Bad6.9%

return rate — above 5% kills the launch gate

Competition

Bad79%

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

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

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 '26SepDecMarJunAugNovMarMay

Peak months: Oct · busiest ÷ quietest = 5.1×

Top mermaid necklace search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.
  • mermaid necklace73K/yr
  • mermaid bracelet26K/yr
  • mermaid necklaces for women13K/yr
  • little mermaid jewelry9K/yr
  • mermaid necklaces4K/yr
All 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 moat Market 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.

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 Product33%

“IT WAS JUST LIKE THE PICTURE”

Color33%

“Very pretty”

Value For Money17%

“GREAT PRICE”

Quality-Overall17%

“HIGH QUALITY”

What buyers complain about

Durability50%

“Broke right away”

Quality-Overall50%

“Cheap”

Top return reasons

Size-Overall35%
Quality-Overall13%
Advertised Vs Actual Product10%
Neck Fit6%
Defective Material/Parts6%
Weight Heavy6%
Color4%
Material Quality4%
Metal Authenticity4%
Chain/Key Quality2%

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.