baby swim
Worth a lookShows a fragmented shelf (top 5 take 16% of clicks), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Competition
Incredible16%top-5 click share — an open shelf
Brand share
Great53%top-5 brand share — no brand owns this niche
Avg price
Great$17.96avg listing price — sweet spot $15–$100
Price range
Great$8.53–$48.42cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Great+61.5%90-day search growth — must beat 0% to launch
Review moat
Good1,459.28avg incumbent reviews — the moat a new listing must climb
Returns
Okay4.3%return rate — above 5% kills the launch gate
Market size
Okay$140K$140K/yr · 674K searches
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Conversion
Bad1.2%search→purchase rate — share of searches ending in a sale
According to Flapen's Amazon United States niche tracking, baby swim is a $140K/yr Amazon United States market (674K searches/yr). The top 5 brands hold 53% of demand. Demand peaks in Mar–Apr–May–Jun–Jul. Verdict: Worth a look — 56/100.
Data updated Jul 8, 2026 · scored weekly · How we score niches
baby swim market data
- Units sold / yr
- 6K–8K
- avg 0–100/product
- Revenue / yr
- $108K–$144K
- units × avg price
- Conversion rate
- 1.2%
- Avg BSR
- #35
- Page quality
- 0%
- Prime
- 99%
- Sponsored
- 90%
- Out of stock
- 1.0%
- Avg brand age
- 35 months
- Avg seller age
- 154 days
Competition & brand share
Clicks spread well past the top 5 (16% combined) — an open shelf where new products get seen.Brands
39 falling
Sellers
49
Top-5 brand share
53%
Top 20: 90%
Top-5 click share
16%
Top 20: 39%
Open market
43%
- YOUNGER TREE20%
- RuffleButts11%
- UMELOK8%
- Renotemy8%
- SODLON6%
- SwimZip5%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +61.5% search growth over the last 90 days.Peak months: Mar, Apr, May, Jun, Jul · busiest ÷ quietest = 5.2×
Top baby swim search terms
- baby swim107K/yr
- 0-3 month swimsuit for girls73K/yr
- 3-6 month swimsuit girl68K/yr
- newborn swimsuit girl69K/yr
- traje de bao para bebe40K/yr
- infant swimsuit36K/yr
- newborn bathing suit girl33K/yr
- baby rash guard swimsuit22K/yr
- baby girl swimsuit 3-6 months36K/yr
- newborn swimsuit24K/yr
Top baby swim 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
Infant Baby Swimsuit Girl Long Sleeve UPF 50+ Sun Protection One-Piece Rash Guard with Hat Zipper Bathing Suit (Pink Bow 3-6 Months)
YOUNGER TREE$18.194.8★294 rev
Infant Baby Girl Swimsuit One-Piece Long Sleeve Rash Guard with Hat Set Floral Zipper Bathing Suit Leopard Beach Wear (3-6 Months Flower#2)
YOUNGER TREE$19.804.8★992 rev
Infant Baby Swimsuit Girl Long Sleeve UPF 50+ Sun Protection One-Piece Rash Guard with Hat Zipper Bathing Suit (Yellow Floral 0-3 Months)
YOUNGER TREE$17.904.8★294 rev
RuffleButts Baby Girls UPF 50+ Sun Protection Novelty Print Long Sleeve One Piece Rash Guard Swimsuit with Zipper - Orange You The Sweetest 6-12m
RuffleButts$28.114.9★7,321 rev
SwimZip Little Girl Long Sleeve Sunsuit with UPF 50 Sun Protection Palm 0-6 Month
SwimZip$43.734.6★878 rev
Newest
by launch date
Baby Swimsuit Girl Rash Guard Set Long Sleeve UPF Infant Bathing Suit with Hat & Headband Bottom Snaps for Easy Diaper Change Baby Swim Suit Beige Butterfly 3-6 Months
FishingDino$14.73110 rev
Baby Girl Swimsuit 3-6 Months Summer Baby Bathing Suit Girls Blue Daisy Floral Long Sleeve One-Piece Zipper Rash Guard Ruffle Swimwear with Hat Infant Swimsuit Girl 3-6 Months Beach Essentials
Yhnslsf$10.85139 rev
Renotemy Baby Girl Swimsuit 3-6 Months Drawstring Bow Back Zipper Bathing Suit Gifts Infant Girls 6 Months Pink Ruffle Summer Beach Essentials Long Sleeve One-Piece Rash Guard Swimwear with Hat
Renotemy$11.99135 rev
SODLON Baby Girl Swimsuit 3-6 Months Infant One-Piece Bathing Suit Cute Ruffle Newborn Cartoon Swimwear with Hat & Headband Summer Tankini Bikini Baby Beach Essentials Blue Duck
SODLON$11.05155 rev
Infant Baby Swimsuit Girl Long Sleeve UPF 50+ Sun Protection One-Piece Rash Guard with Hat Zipper Bathing Suit (Pink Bow 3-6 Months)
YOUNGER TREE$18.19294 rev
Trending
90-day click momentumSwimZip Little Girl Long Sleeve Sunsuit with UPF 50 Sun Protection Palm 0-6 Month
SwimZip$43.734.6★
Baby Swimsuit Girl Rash Guard Set Long Sleeve UPF Infant Bathing Suit with Hat & Headband Bottom Snaps for Easy Diaper Change Baby Swim Suit Beige Butterfly 3-6 Months
FishingDino$14.734.6★
Renotemy Newborn Baby Swimsuit Girl One-Piece Sleeveless Bikini Tankini Baby Girls Swimwear 0-3 Month Swimsuit for Girls Rash Guard Strawberry Bathing Suit Baby Girl with Sunhat Baby Beach Essentials
Renotemy$14.954.6★
UMELOK Baby Girls Swimwear Sets One Piece Rash Guard Swimsuit with Sun Hat (Pink Tropical jungle 9-12 months)
UMELOK$15.944.6★
Aimaopao Newborn Baby Girls Swimsuit Long Sleeve Zipper Bathing Suit One Piece Swimwear with Hat for Beach Wear (Mermaid Green Newborn)
Aimaopao$10.514.7★
What buyers say about baby swim
What buyers praise and complain about, mined from review topics.What buyers love
“Fit is accurate”
“Good quality”
“It was comfortable material”
“The colors are vibrant”
“it stretches great”
“Great deal”
“Easy to use”
“Material is soft”
“Easy to spot kid in water”
“comfortable”
What buyers complain about
“size down”
“Dumb zipper placement”
“Poor quality”
“Broke before use”
“Very thin material”
“This bathing suit is too expensive to leave her skin pink”
“The sleeves are little long on her though”
“It took two washes to get the smell out”
“It took two washes to get the smell out”
“was soaked and didnt protect it from water, which completely failed to meet its purpose”
Top return reasons
Common questions
- Is baby swim profitable to sell on Amazon United States?
- The niche generates $140K/yr across 155 tracked products. 14 of 61 products launched in the last 360 days are still selling. 90-day search growth is +61.5%. Flapen's verdict: Worth a look (56/100).
- How competitive is the baby swim niche?
- 39 brands and 49 sellers compete. The top 5 products take 16% of clicks and top 5 brands hold 53% of demand.
- What do buyers complain about in baby swim?
- Top complaints mined from reviews: Size-Overall, Zipper Quality, Quality-Overall. The return rate is 4.3%.
- When does demand for baby swim peak?
- Demand peaks in Mar–Apr–May–Jun–Jul; the busiest month runs 5.2× the quietest.
- What does it cost to enter the baby swim niche?
- Listings span $8.53–$48.42; the average listing price is $17.96 (sweet spot $15–$100). The average incumbent carries 1,459 reviews — the moat a new listing must climb.