Is mermaid plates profitable to sell on Amazon United States?

The niche generates $153K/yr across 74 tracked products. 3 of 29 products launched in the last 360 days are still selling. 90-day search growth is +53.0%. Flapen's verdict: Worth a look (65/100).

How competitive is the mermaid plates niche?

59 brands and 79 sellers compete. The top 5 products take 27% of clicks and top 5 brands hold 37% of demand.

What do buyers complain about in mermaid plates?

Top complaints mined from reviews: Size-Overall, Thickness, Strength. The return rate is 2.3%.

When does demand for mermaid plates peak?

Demand peaks in Jun–Jul–Aug; the busiest month runs 4.0× the quietest.

What does it cost to enter the mermaid plates niche?

Listings span $5.60–$38.50; the average listing price is $15.73 (sweet spot $15–$100). The average incumbent carries 174 reviews — the moat a new listing must climb.

Mermaid Plates

Worth a look

Shows no brand lock-in (top 5 brands take 37% of clicks), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Brand share

Incredible37%

top-5 brand share — no brand owns this niche

Review moat

Great174.41

avg incumbent reviews — the moat a new listing must climb

Competition

Great27%

top-5 click share — an open shelf

Avg price

Great$15.73

avg listing price — sweet spot $15–$100

Growth

Good+53.0%

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

Price range

Good$5.60–$38.50

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

Returns

Good2.3%

return rate — above 5% kills the launch gate

Conversion

Good5.3%

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

Market size

Okay$153K

$153K/yr · 185K searches

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Signals No Dominant Brand

Is mermaid plates profitable on Amazon?

According to Flapen's Amazon United States niche tracking, mermaid plates is a $153K/yr Amazon United States market (185K searches/yr). The top 5 brands hold 37% of demand. Demand peaks in Jun–Jul–Aug. Verdict: Worth a look — 65/100.

Data updated Jul 21, 2026 · scored weekly · How we score niches

mermaid plates market size & sales

Units sold, revenue, conversion and listing quality across the tracked shelf.

Units sold / yr: 10K–13K; avg 100–250/product
Revenue / yr: $157K–$197K; units × avg price
Conversion rate: 5.3%
Avg BSR: #1,746
Page quality: 0%
Prime: 100%
Sponsored: 88%
Out of stock: 9.8%
Avg brand age: 27 months
Avg seller age: 206 days

Competition: brands, sellers & click share

Clicks spread well past the top 5 (27% combined) — an open shelf where new products get seen.

Brands

59 rising

Sellers

Top-5 brand share

37%

Top 20: 76%

Top-5 click share

27%

Top 20: 65%

Open market

58%

QIYANPAX11%
MaitianGuyou7%
Fighting to Achieve6%
KFJBPB6%
Gersoniel6%
Askljeby5%

mermaid plates demand & seasonality

Weekly Amazon search volume, last 104 weeks — +53.0% search growth over the last 90 days.

Peak months: Jun, Jul, Aug · busiest ÷ quietest = 4.0×

Open Trend

Top mermaid plates search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.

mermaid plates60K/yr +64.5%4.7% conv.
mermaid plates and napkins38K/yr +42.2%5.5% conv.
mermaid party plates19K/yr +50.9%3.6% conv.
mermaid birthday plates18K/yr +43.1%3.7% conv.
mermaid paper plates11K/yr +75.5%4.4% conv.
little mermaid plates8K/yr +40.9%3.0% conv.
mermaid plates and cups and napkins9K/yr +35.6%5.0% conv.
mermaid birthday plates and napkins7K/yr +86.7%5.7% conv.
mermaid cake plates6K/yr +41.2%4.8% conv.
mermaid party plates and napkins4K/yr +46.2%5.8% conv.

All search terms

Top mermaid plates 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.

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

KFJBPB 40 Pcs Iridescent Mermaid Plates and Napkins Party Supplies Seashell Disposable Paper Plates and Napkins Tableware Set for Mermaid Baby Shower Birthday Party Decorations Serves 20

KFJBPB$9.714.5★81 rev

168Pcs Mermaid Birthday Decorations Mermaid Party Supplies Includes Plates Napkins Cups Cutlery for Baby Shower Ocean Birthday Party Decorations Serves 24

QIYANPAX$16.714.8★269 rev

Gersoniel 40 Pcs Iridescent Mermaid Party Supplies Set 20 Clam Shell Plates and 20 Scales Napkins Mermaid Party Decorations Disposable Paper Plates and Napkins Seashell for Birthday (Shell)

Gersoniel$14.094.5★272 rev

QIYANPAX 144 Pcs Mermaid Party Supplies Mermaid Birthday Decorations Includes Plates Napkins Cups Cutlery for Under the Sea Party Decorations Serve 24

QIYANPAX$20.834.6★385 rev

BOKFJBP 40pcs Mermaid Plates and Napkins Party Supplies-Mermaid Themed Party Decorations 9 Plates & Napkins for Princess Girls Baby Shower Under the Sea Birthday Ocean Party Decorations-20 Guests

BOKFJBP$8.944.8★112 rev

Newest

by launch date

Ariel Birthday Party Supplies 20 Plates 20 Napkins and 1 Tablecover for Girls Little Mermaid Party Decorations

Cosershow$17.9920 rev

6mo ago

NatNarr 30 Pack Iridescent Plates 9 Holographic Dessert Cake Plates

NatNarr$9.68586 rev

8mo ago

Whaline 50Pcs Mermaid Paper Plate Disposable Plates Holographic Iridescent Shell Mermaid Scale Appetizer Dessert Plates for Summer Under The Sea Birthday Party Supplies Table Decor

Whaline$16.913 rev

8mo ago

Askljeby 40 Pcs Mermaid Birthday Party Decorations Plates Set for 20 Guests Little Mermaid Party Supplies Ocean under the Sea Party Tableware Plate and Napkins for Princess Girls Baby Shower

Askljeby$9.77166 rev

10mo ago

BOKFJBP 40pcs Mermaid Plates and Napkins Party Supplies-Mermaid Themed Party Decorations 9 Plates & Napkins for Princess Girls Baby Shower Under the Sea Birthday Ocean Party Decorations-20 Guests

BOKFJBP$8.94112 rev

11mo ago

What reviews say buyers love and hate about mermaid plates

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

What buyers love

Color18%

“vibrant colors”

Quality-Overall17%

“the cups are good quality”

Value For Money11%

“Great value”

Design-Overall7%

“the design is beautiful”

Durability7%

“These supplies are durable”

Brightness/Shine/Glow6%

“It has all the sparkle you could possibly desire”

Ease Of Use5%

“Easy to put on”

Strength4%

“not flimsy at all”

Advertised Vs Actual Product4%

“Exactly as Pictured”

Assembly/Installation2%

“other than that assembly is very easy”

What buyers complain about

Size-Overall13%

“The plates are a little small”

Thickness9%

“The plates are thicker than expected”

Strength7%

“not sturdy”

Advertised Vs Actual Product7%

“Not what was expected”

Ease Of Use4%

“They are a tad bit difficult to get off”

Quality-Overall4%

“Poor quality”

Defective Material/Parts3%

“Came broken”

Value For Money3%

“Crazy for 10 dollars”

Brightness/Shine/Glow2%

“it is not real glitter”

Color2%

“lighter in color and not quite as vibrant as pictured”

Top return reasons

Size-Overall42%

Value For Money17%

Color11%

Advertised Vs Actual Product9%

Quality-Overall5%

Thin4%