mermaid
Worth a lookShows low returns (0.8%), but soft demand (-2.0% this quarter) keeps it on the watch list.
Returns
Incredible0.8%return rate — above 5% kills the launch gate
Quality gap
Good4.3★avg incumbent rating — lower means beatable quality
Brand share
Good64%top-5 brand share — brands hold most of the demand
Competition
Good45%top-5 click share — leaders hold, buyers still browse
Review moat
Okay2,302.33avg incumbent reviews — the moat a new listing must climb
Avg price
Okay£10.84avg listing price — sweet spot $15–$100
Conversion
Okay2.9%search→purchase rate — share of searches ending in a sale
Market size
Okay£153K£153K/yr · 478K searches
Price range
Okay£3.78–£19.66cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Bad-2.0%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United Kingdom niche tracking, mermaid is a £153K/yr Amazon United Kingdom market (478K searches/yr). The top 5 brands hold 64% of demand. Demand peaks in Nov–Dec. Verdict: Worth a look — 51/100.
Data updated Jul 23, 2026 · scored weekly · How we score niches
mermaid market data
- Units sold / yr
- 13K–15K
- avg 100–250/product
- Revenue / yr
- £136K–£163K
- units × avg price
- Conversion rate
- 2.9%
- Avg BSR
- #127
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 73%
- Out of stock
- 5.5%
- Avg brand age
- 28 months
- Avg seller age
- 168 days
Competition & brand share
The top 5 products take 45% of clicks — established leaders, but buyers still shop beyond them.Brands
25 falling
Sellers
163
Top-5 brand share
64%
Top 20: 94%
Top-5 click share
45%
Top 20: 82%
Open market
33%
- Barbie25%
- OSDUE23%
- iFunLong6%
- Catalonia Classy5%
- Pets Alive4%
- Mattel3%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -2.0% search growth over the last 90 days.Peak months: Nov, Dec · busiest ÷ quietest = 1.9×
Top mermaid search terms
- mermaid toys141K/yr
- mermaid126K/yr
- mermaids51K/yr
- mermaid doll39K/yr
- mermaid toy20K/yr
- mermaid bath toy24K/yr
- mermaid gifts for girls14K/yr
- mermaid gifts12K/yr
- mermaid dolls12K/yr
- mermaid bath toys7K/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
OSDUE Girls Jewelry Set 5 Pcs Mermaid Necklace Earring Bracelet Ring Set for Little Girl Princess Jewelry Party for Toddler Little Girl Play Party Favors Birthday Gift
OSDUE£3.784.5★757 rev

Barbie Mermaid Toy Dolls with Surprise Magic Blooming Flowers Feature Ombre Tails Pearl Headband Accessory & Long Blonde Hair with Pink Highlights JDM72
Barbie£13.574.7★3,177 rev

iFunLong Mermaid Doll Toy for 3+ Girls Gifts 3Packs
iFunLong£7.783.7★59 rev

Barbie Mermaid Doll Malibu with Pink Hair Styling Accessories Pet Dolphin and Water-Activated Color Change Feature HRP97
Barbie£12.404.6★3,118 rev

Catalonia Classy Mermaid Tail Blanket Fish Scale Pattern Snuggle Blanket for Girls Woman Ultra Soft Fleece Sleeping Throw for Kids Cozy Mermaid Gift for Adult Toddlers
Catalonia Classy£13.294.2★8 rev
Newest
by launch date
L.O.L. Surprise! Tweens - Mermaid Lana Marine - Fashion Doll with Colour Changing Tail Movable Fin and Beautiful Accessories Toys for Kids and Collectors from 4 Years Old
L.O.L. Surprise!£8.674,067 rev

DONGTATA Mermaid Diving Toys Interactive Swim Training Set Diving Toys for Swimming Pool Kids Pool Games & Eco-Friendly Water Play Kit for Underwater Adventures Perfect as Party Favors Pool Gifts
DONGTATA£7.247 rev

4 Pack Mermaid Diving Toys for Swimming Pool - Sinking Pool Toys for Underwater Swim Training - Sinking Swim Aids for Indoor & Outdoor Water Games - Fun Bath and Pool Gift Set
SINJAETRQ£6.056 rev

Pets Alive Magic Swimming Mermaid 2 Pack (Sea Star & Coral) by ZURU Robotic Mermaid Doll for Water Play Swims Automatically Bath Toy for Girls & Boys Ages 3+ 16.3 cm
Pets Alive£12.12125 rev

Catalonia Classy Mermaid Tail Blanket Fish Scale Pattern Snuggle Blanket for Girls Woman Ultra Soft Fleece Sleeping Throw for Kids Cozy Mermaid Gift for Adult Toddlers
Catalonia Classy£13.298 rev
Trending
90-day click momentum
Catalonia Classy Mermaid Tail Blanket Fish Scale Pattern Snuggle Blanket for Girls Woman Ultra Soft Fleece Sleeping Throw for Kids Cozy Mermaid Gift for Adult Toddlers
Catalonia Classy£13.294.2★

Catalonia Classy Mermaid Tail Blanket Fish Scale Pattern Snuggle Blanket for Girls Woman Ultra Soft Fleece Sleeping Throw for Kids Cozy Mermaid Gift for Adult Toddlers
Catalonia Classy£12.184.2★

LitBud Girls Kids Chirstmas Mermaid Pajamas Sleepwears 2pcs Long Sleeves Pjs Nightwear Tops + Pants Sets for Childs Size 6-7 Years 7T Back to School
LitBud£10.184.6★

DONGTATA Mermaid Diving Toys Interactive Swim Training Set Diving Toys for Swimming Pool Kids Pool Games & Eco-Friendly Water Play Kit for Underwater Adventures Perfect as Party Favors Pool Gifts
DONGTATA£7.243.9★

4 Pack Mermaid Diving Toys for Swimming Pool - Sinking Pool Toys for Underwater Swim Training - Sinking Swim Aids for Indoor & Outdoor Water Games - Fun Bath and Pool Gift Set
SINJAETRQ£6.054.5★
What buyers say about mermaid
What buyers praise and complain about, mined from review topics.What buyers love
“Christmas Present”
“Really fun toy”
“So well made”
“Good value for money”
“bright colours”
“As expected”
“I was pleasantly surprised by the quality—theyre soft, well made, and have held up really well”
“Suitability”
“sturdy enough for everyday play”
“Beautifully crafted doll”
What buyers complain about
“Very bad quality the tail keep falling out it was a gift for my doughter she was very upset”
“the earrings are too long”
“Dont work”
“they all broke within days”
“Fin does not attach”
“Doesn't change colour”
“Managed to unscrew and fix”
“Cheap material”
“Not worth full price”
“It wouldn't respond to the remote”
Top return reasons
Common questions
- Is mermaid profitable to sell on Amazon United Kingdom?
- The niche generates £153K/yr across 33 tracked products. 2 of 8 products launched in the last 360 days are still selling. 90-day search growth is -2.0%. Flapen's verdict: Worth a look (51/100).
- How competitive is the mermaid niche?
- 25 brands and 163 sellers compete. The top 5 products take 45% of clicks and top 5 brands hold 64% of demand.
- What do buyers complain about in mermaid?
- Top complaints mined from reviews: Quality-Overall, Size-Overall, Functionality-Overall. The return rate is 0.8%.
- When does demand for mermaid peak?
- Demand peaks in Nov–Dec; the busiest month runs 1.9× the quietest.
- What does it cost to enter the mermaid niche?
- Listings span £3.78–£19.66; the average listing price is £10.84 (sweet spot $15–$100). The average incumbent carries 2,302 reviews — the moat a new listing must climb.