Baby Girl Swimsuit Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
Baby Girl Swimsuit sales on Amazon US totaled 6,150 units in July 2026 (▼ 34.6% vs. the prior month), generating an estimated $94,800 in revenue across the 50 top-ranked ASINs for this search term. Demand is heavily concentrated at the top of the ranking — the ten best performers capture 48.8% of unit volume and 37.6% of revenue, while a typical listing is priced at $16.17. The keyword itself pulled 13,281 Amazon queries over the same period (▼ 46.6% MoM).
Zooming out to the 12-month window ending July 2026, the baby girl swimsuit Top 50 moved 42,850 units and $770,196 in cumulative sales — an average of 3,571 units and $64,183 per month. Monthly throughput topped out at 9,400 units in June 2026 and dipped to 1,000 in September 2025, leaving the latest reading 151.0% higher than August 2025.
Baby Girl Swimsuit Sales Trend (Trailing 12 Months)
Based on the top 50 ASINs by monthly sales for this keyword
2025/08
2025/09
2025/10
2025/11
2025/12
2026/01
2026/02
2026/03
2026/04
2026/05
2026/06
2026/07
Monthly Sales 2026/07
6.2K
▼ 34.6% MoM
Monthly Revenue 2026/07
$94.8K
▼ 39.7% MoM
Top 10 Market Share 2026/07
48.8%
Baby Girl Swimsuit Market Share & Sales Concentration on Amazon US — July 2026
The most-sold baby girl swimsuit listing on Amazon US in July 2026 is ASIN B0DR6174D2 (Brand: SODLON), which sold 700 units at $12.99 apiece — equal to 11.4% of every unit tracked in this report and 1.8× the volume of the No. 2 listing.
The Top 10 ASINs account for 3,000 units and $35,681 in July 2026 — 48.8% of unit volume and 37.6% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for 'Baby Girl Swimsuit' on Amazon
July 2026
Is 48.8% Top 10 share highly concentrated?
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Top 5 Volume Share breakdown
B0DR6174D2
SODLON Baby Girl Swimsuit Long Sleeve One-Piece Infant Bathing Suit 3M-3T
700
▲ 16.7%vs. prior month
$7.4K
latest month
12-month trend
B0FZKGQWCG
Renotemy Baby Girls Swimsuit Summer Infant Girl Bathing Suit Zipper Long Sleeve One-Piece Rash Guard Swimwear with Hat 3M-3Y
400
▲ 100.0%vs. prior month
$4.1K
latest month
12-month trend
B07SV3K8K7
Girls One Pieces Swimsuit Cute Swimwear Bathing Suits 2-12 Years
300
▲ 0.0%vs. prior month
$3K
latest month
12-month trend
B09FTFWFNZ
Simple Joys by Carter's Baby Girls' Long Sleeve Zipper One Piece Swimsuit
300
▲ 0.0%vs. prior month
$4.9K
latest month
12-month trend
B0FX44YPS6
SODLON Baby Girl Swimsuit Infant Toddler One-Piece Bathing Suit 3M-3T
300
▼ 50.0%vs. prior month
$3.9K
latest month
12-month trend
B0CR31B7VJ
Alakuoti Baby Toddler Girl Long Sleeve Ruffle Swimsuit One Piece Zipper Rash Guard Bathing Suit with UPF 50+ Sun Protection
200
▼ 33.3%vs. prior month
$2.8K
latest month
12-month trend
Unlock to view all Top 50 ASIN competitors and their sales contributions
Best Baby Girl Swimsuit Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
SODLON is the best-performing baby girl swimsuit brand in July 2026, moving 1,000 units across 2 ASINs for 33.3% of Top 10 volume. Renotemy follows with 600 units (20.0%), ahead of HONISEN on 300 units (10.0%).
With 8 brands splitting the Top 10 and 63.3% of volume sitting with three of them, this is a concentrated shelf — the leaders hold multiple listings or one very high-velocity ASIN, so a new entrant competes against established review moats rather than an open field. Average selling prices among the leaders run from $9.99 to $12.99, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
SODLON
2 ASINs in Top 10
33.3%
Units
1K
Revenue
$11.3K
Avg. price
$12.99
B0DR6174D2
$12.99·★4.6·537 revsSODLON Baby Girl Swimsuit Long Sleeve One-Piece Infant Bathing Suit 3M-3T
Units sold700B0FX44YPS6
$12.99·★4.7·247 revsSODLON Baby Girl Swimsuit Infant Toddler One-Piece Bathing Suit 3M-3T
Units sold300
Renotemy
2 ASINs in Top 10
20.0%
Units
600
Revenue
$6.5K
Avg. price
$10.82
B0FZKGQWCG
$9.95·★4.7·161 revsRenotemy Baby Girls Swimsuit Summer Infant Girl Bathing Suit Zipper Long Sleeve One-Piece Rash Guard Swimwear with Hat 3M-3Y
Units sold400B0DR2VM6YR
$11.69·★4.6·375 revsRenotemy Baby Girl Swimsuit Infant Bathing Suit Swimwear Sleeveless Bikini Tankini Toddler Girl One-Piece Swimsuit with Hat
Units sold200
HONISEN
1 ASIN in Top 10
10.0%
Units
300
Revenue
$3K
Avg. price
$9.99
B07SV3K8K7
$9.99·★4.6·9.9K revsGirls One Pieces Swimsuit Cute Swimwear Bathing Suits 2-12 Years
Units sold300
Trending Baby Girl Swimsuit Products — Growth Leaders & New Top 10 Entrants
Based on July 2026 data, this shortlist surfaces the two kinds of ASIN worth keeping an eye on — the ones that just broke into the Top 10, and the ones growing fastest month over month. Specifically, 3 ASINs forced its way in: B0FZKGQWCG booked 400 units at $9.95, with ▲ 100.0% MoM change.
The two signals carry different weight. A fresh entrant means share has already changed hands — an incumbent gave up its place to make room, so any competitive set drawn up a month ago is now out of date. A steep growth rate works as the earlier warning: it marks demand that is still compounding, usually a month or two before the ranking catches up to it.
B0FZKGQWCG
Renotemy Baby Girls Swimsuit Summer Infant Girl Bathing Suit Zipper Long Sleeve One-Piece Rash Guard Swimwear with Hat 3M-3Y
Price
$9.95
Rating
4.7
Reviews
161
Latest month sales
B0CR31B7VJ
Alakuoti Baby Toddler Girl Long Sleeve Ruffle Swimsuit One Piece Zipper Rash Guard Bathing Suit with UPF 50+ Sun Protection
Price
$12.98
Rating
4.4
Reviews
520
Latest month sales
B0D4YVXDMQ
Mioglrie Baby Infant Swimsuit Girl Toddler Bathing Suit Girl Summer Beach Bikini Tankini Swimwear Hat 3-24 Months 2t-5t
Unlock to view ASIN details and product titles
Price
$16.98
Rating
4.7
Reviews
1.1K
Latest month sales
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