mermaid
Launch itA $2.3M/yr market growing +26.7% this quarter with returns at 1.5% — clears our launch bar.
Market size
Incredible$2.3M$2.3M/yr · 4.5M searches
Returns
Great1.5%return rate — above 5% kills the launch gate
Avg price
Great$16.31avg listing price — sweet spot $15–$100
Competition
Good45%top-5 click share — leaders hold, buyers still browse
Brand share
Good70%top-5 brand share — brands hold most of the demand
Price range
Good$6.36–$26.75cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Good+26.7%90-day search growth — must beat 0% to launch
Conversion
Okay3.2%search→purchase rate — share of searches ending in a sale
Review moat
Okay3,072.71avg incumbent reviews — the moat a new listing must climb
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
According to Flapen's Amazon United States niche tracking, mermaid is a $2.3M/yr Amazon United States market (4.5M searches/yr). The top 5 brands hold 70% of demand. Demand peaks in Jul–Nov–Dec. Verdict: Launch it — 62/100.
Data updated Jul 31, 2026 · scored weekly · How we score niches
mermaid market data
- Units sold / yr
- 125K–150K
- avg 2,000–2,500/product
- Revenue / yr
- $2.0M–$2.4M
- units × avg price
- Conversion rate
- 3.2%
- Avg BSR
- #185
- Page quality
- 0%
- Prime
- 97%
- Sponsored
- 65%
- Out of stock
- 2.6%
- Avg brand age
- 36 months
- Avg seller age
- 144 days
Competition & brand share
The top 5 products take 45% of clicks — established leaders, but buyers still shop beyond them.Brands
22 falling
Sellers
245
Top-5 brand share
70%
Top 20: 97%
Top-5 click share
45%
Top 20: 83%
Open market
27%
- Barbie35%
- Paljaca20%
- BANZAI6%
- Jadive5%
- BABESIDE3%
- ZEBZOO3%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +26.7% search growth over the last 90 days.Peak months: Jul, Nov, Dec · busiest ÷ quietest = 2.7×
Top mermaid search terms
- mermaid923K/yr
- mermaid toys729K/yr
- mermaid barbie592K/yr
- little mermaid325K/yr
- barbie mermaid283K/yr
- mermaid doll254K/yr
- little mermaid toys255K/yr
- mermaid toys for girls 4-6156K/yr
- ariel toys162K/yr
- mermaids112K/yr
Top mermaid 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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Mermaid Tail Blanket for Kids Soft Wearable Mermaid Tail Blankets Super Plush Flannel Sleeping Snuggle Blanket Gifts for Girls 4~12 Year (Purple)
Paljaca$14.864.8★324 rev

Barbie Fantasy Mermaid Doll and Fashions
Barbie$11.704.8★1,855 rev

Barbie Mermaid Toy Dolls with Surprise Magic Blooming Flowers Feature Ombre Tails Pearl Headband Accessory & Long Blonde Hair with Pink Highlights
Barbie$16.224.8★2,096 rev

Fun Stuff Banzai Spring and Summer 3 Piece Magical Mermaid Dolls in Assorted Colors
BANZAI$9.334.5★12,649 rev

Barbie Mermaid Doll with Pink & Lilac Fantasy Hair & Headband Accessory Toy with Shell-Inspired Bodice & Lavender Tail
Barbie$10.624.8★1,870 rev
Newest
by launch date
Barbie Bubble Sparkle Mermaid Doll
Barbie$26.7538 rev

BABESIDE 15 Inch Mermaid Baby Doll Girl with Removable Tail and Accessories
BABESIDE$25.59639 rev

Baljinder Magical Mermaid Dolls with Little Mermaid | Summer Princess Doll & Color Change Dolphin Playset for Water Swimming | Mermaid Pool Toys for Girls 4-7 | Birthday Party Christmas
Baljinder$19.4863 rev

Barbie Mermaid Toy Dolls with Surprise Magic Blooming Flowers Feature Ombre Tails Pearl Headband Accessory & Long Blonde Hair with Pink Highlights
Barbie$16.222,096 rev

Barbie Mermaid Toy Dolls with Surprise Magic Blooming Flowers Feature Ombre Tails Pearl Headband Accessory & Long Brown Hair with Purple Highlights
Barbie$14.631,160 rev
Trending
90-day click momentum
Sylfairy Girls Mermaid Satin PJs - Blue Mermaid Size 5-6 Years 2-Piece Set
Sylfairy$12.654.7★

Barbie Bubble Sparkle Mermaid Doll
Barbie$26.754.8★

INTIMO Mattel Girls Barbie Fantasy Mermaid Fairy Rainbow Ruffled Bathrobe Robe (6/6x)
INTIMO$19.444.9★

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$8.044.6★

Mermaid Tail Blanket for Kids Soft Wearable Mermaid Tail Blankets Super Plush Flannel Sleeping Snuggle Blanket Gifts for Girls 4~12 Year (Purple)
Paljaca$14.864.8★
What buyers say about mermaid
What buyers praise and complain about, mined from review topics.What buyers love
“Great fun”
“Decent quality”
“Easter Gift”
“colors are vibrant”
“Good value for price”
“just the right size”
“As showed”
“holding up well”
“soft”
“My granddaughter had so much fun assembling this”
What buyers complain about
“The bag itself is smaller than I pictured”
“Bad quality”
“Breaks easily”
“Not worth the price”
“It is not what it's described to be”
“Extremely cute gift material was cheap”
“But breaking almost immediately after opening it is disappointing”
“Only dislike is how much water can get inside it”
“Just beware you may get a not so nice presentation if using for a gift”
“Came with broken tail”
Top return reasons
Common questions
- Is mermaid profitable to sell on Amazon United States?
- The niche generates $2.3M/yr across 34 tracked products. 3 of 3 products launched in the last 360 days are still selling. 90-day search growth is +26.7%. Flapen's verdict: Launch it (62/100).
- How competitive is the mermaid niche?
- 22 brands and 245 sellers compete. The top 5 products take 45% of clicks and top 5 brands hold 70% of demand.
- What do buyers complain about in mermaid?
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Durability. The return rate is 1.5%.
- When does demand for mermaid peak?
- Demand peaks in Jul–Nov–Dec; the busiest month runs 2.7× the quietest.
- What does it cost to enter the mermaid niche?
- Listings span $6.36–$26.75; the average listing price is $16.31 (sweet spot $15–$100). The average incumbent carries 3,073 reviews — the moat a new listing must climb.