baby swimsuit
Skip itWeak search conversion (1.1%) — this niche doesn't clear our bar today.
Competition
Great27%top-5 click share — an open shelf
Avg price
Good£14.18avg listing price — sweet spot $15–$100
Review moat
Good824.85avg incumbent reviews — the moat a new listing must climb
Price range
Good£6.96–£23.78cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Okay79%top-5 brand share — brands hold most of the demand
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Returns
Okay3.6%return rate — above 5% kills the launch gate
Growth
Bad-0.9%90-day search growth — must beat 0% to launch
Market size
Bad£62K£62K/yr · 392K searches
Conversion
Bad1.1%search→purchase rate — share of searches ending in a sale
According to Flapen's Amazon United Kingdom niche tracking, baby swimsuit is a £62K/yr Amazon United Kingdom market (392K searches/yr). The top 5 brands hold 79% of demand. Demand peaks in Jan–Feb. Verdict: Skip it — 43/100.
Data updated Jul 23, 2026 · scored weekly · How we score niches
baby swimsuit market data
- Units sold / yr
- 4K–5K
- avg 0–100/product
- Revenue / yr
- £57K–£71K
- units × avg price
- Conversion rate
- 1.1%
- Avg BSR
- #35
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 94%
- Out of stock
- 2.5%
- Avg brand age
- 38 months
- Avg seller age
- 180 days
Competition & brand share
Clicks spread well past the top 5 (27% combined) — an open shelf where new products get seen.Brands
20 falling
Sellers
26
Top-5 brand share
79%
Top 20: 100%
Top-5 click share
27%
Top 20: 52%
Open market
17%
- Swimbubs31%
- FishingDino17%
- Splash About16%
- Geagodelia10%
- DivingBirds6%
- Nicoxijia3%
- Open — no brand owns it (14 brands, 17%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -0.9% search growth over the last 90 days.Peak months: Jan, Feb · busiest ÷ quietest = 1.9×
Top baby swimsuit search terms
- baby swimming costume107K/yr
- baby swimsuit51K/yr
- toddler swimsuit33K/yr
- splash about wetsuit40K/yr
- baby wetsuit22K/yr
- baby girl swimming costume17K/yr
- toddler swimming costume17K/yr
- baby boy swimsuit18K/yr
- baby swim suit11K/yr
- splash about swimsuit15K/yr
Top baby swimsuit 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
Swimbubs Baby Swimming Warm Suit Boys Fleece Lined Wetsuit Girls UV UPF50 Sun Protection Swimsuit (6-12 Months Blue Whale)
Swimbubs£18.024.5★987 rev
Swimbubs Baby Swimming Warm Suit Boys Fleece Lined Wetsuit Girls UV UPF50 Sun Protection Swimsuit (6-12 Months Pink Dolphin)
Swimbubs£17.544.5★987 rev
Swimbubs Baby Swimming Warm Suit Boys Fleece Lined Wetsuit Girls UV UPF50 Sun Protection Swimsuit (2-3 Years Blue Whale)
Swimbubs£18.334.5★987 rev
Baby Swimsuit Boy Girl Rash Vest Set 0M-3T Long Sleeve UPF 50+ Infant Swimming Costume with Hat Zipper Toddler One Piece Rash Guard Swimwear Green Stripe 3-6 Months
FishingDino£10.414.2★65 rev
Swimbubs Baby Swimming Warm Suit Boys Fleece Lined Wetsuit Girls UV UPF50 Sun Protection Swimsuit (2-3 Years Pink Dolphin)
Swimbubs£17.844.5★987 rev
Newest
by launch date
DivingBirds Baby Girls Long Sleeve Swimming Costume Toddler Girls Swimsuit with Hat Snap and Zipper Pink for 18-24 Months
DivingBirds£9.8570 rev
Baby Swimsuit Boy Girl Rash Vest Set 0M-3T Long Sleeve UPF 50+ Infant Swimming Costume with Hat Zipper Toddler One Piece Rash Guard Swimwear Green Stripe 3-6 Months
FishingDino£10.4165 rev
Baby Swimsuit Girl 3-Piece Set 0M-3T Long Sleeve Toddler Swimming Costume with Hat & Headband UPF 50+ Infant Rash Vest Front Zipper & Snaps Beige Butterfly 3-6 Months
FishingDino£10.66126 rev
Baby Swimsuit Boy Girl Rash Vest Set 0M-3T Long Sleeve UPF 50+ Infant Swimming Costume with Hat Zipper Toddler One Piece Rash Guard Swimwear Green Stripe 1-2 Years
FishingDino£10.4265 rev
Baby Swimsuit Boy Girl Rash Vest Set 0M-3T Long Sleeve UPF 50+ Infant Swimming Costume with Hat Zipper Toddler One Piece Rash Guard Swimwear Green Stripe 6-12 Months
FishingDino£10.4965 rev
Trending
90-day click momentumBaby Swimsuit Boy Girl Rash Vest Set 0M-3T Long Sleeve UPF 50+ Infant Swimming Costume with Hat Zipper Toddler One Piece Rash Guard Swimwear Green Stripe 6-12 Months
FishingDino£10.494.2★
Baby Swimsuit Girl 3-Piece Set 0M-3T Long Sleeve Toddler Swimming Costume with Hat & Headband UPF 50+ Infant Rash Vest Front Zipper & Snaps Beige Butterfly 3-6 Months
FishingDino£10.664.4★
Baby Swimsuit Boy Girl Rash Vest Set 0M-3T Long Sleeve UPF 50+ Infant Swimming Costume with Hat Zipper Toddler One Piece Rash Guard Swimwear Green Stripe 3-6 Months
FishingDino£10.414.2★
Baby Swimsuit Boys Rash Vest Set 3M-3T Short Sleeve UPF 50+ Infant Swimming Costume with Hat Zipper Toddler One Piece Rash Guard Swimwear Beige Oceam 3-6 Months
FishingDino£10.064.4★
DivingBirds Baby Girls Long Sleeve Swimming Costume Toddler Girls Swimsuit with Hat Snap and Zipper Pink for 18-24 Months
DivingBirds£9.854.5★
What buyers say about baby swimsuit
What buyers praise and complain about, mined from review topics.What buyers love
“Good fit”
“feels well made”
“Nice and warm, well made”
“definitely worth the price”
“Good material comfortable good fit great price”
“Great fit comfy”
“Kept her warm and dry”
“Easy to get on”
“stretchy”
“The design is wonderful”
What buyers complain about
“Smaller than expected”
“so would not recommend for a holiday or long water exposure as the material is would not help a child retain any heat”
“The suit is thin and see through and just doesn't seem to be a comfy fit for her”
“Not true size. Not true to size!!!!”
“too expensive to post back for a refund”
“Cloth is a bit lighter than other swim cloth”
“Im not happy as it wasnt cheap”
“Now hes wearing it each week we've noticed him shivering”
“The suit is thin and see through and just doesn't seem to be a comfy fit for her”
“Baby not warm enough in pool”
Top return reasons
Common questions
- Is baby swimsuit profitable to sell on Amazon United Kingdom?
- The niche generates £62K/yr across 87 tracked products. 0 of 25 products launched in the last 360 days are still selling. 90-day search growth is -0.9%. Flapen's verdict: Skip it (43/100).
- How competitive is the baby swimsuit niche?
- 20 brands and 26 sellers compete. The top 5 products take 27% of clicks and top 5 brands hold 79% of demand.
- What do buyers complain about in baby swimsuit?
- Top complaints mined from reviews: Size-Overall, Water Resistance, Thickness. The return rate is 3.6%.
- When does demand for baby swimsuit peak?
- Demand peaks in Jan–Feb; the busiest month runs 1.9× the quietest.
- What does it cost to enter the baby swimsuit niche?
- Listings span £6.96–£23.78; the average listing price is £14.18 (sweet spot $15–$100). The average incumbent carries 825 reviews — the moat a new listing must climb.