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Baby One-Piece Swimsuits

131 baby one-piece swimsuits from Younger Tree, Umelok, DivingBirds and more.

Recommended Baby One-Piece Swimsuits

Funnycokid

Green

+Sized for 9-12 month babies
+UPF 50+ sun protection built into the fabric
+Zipper closure for easy dressing
No price recorded yet.
Gerber

Pink

+Long sleeves add full arm coverage in sun
+Sized for 18 month toddlers
+One-piece rashguard style
No price recorded yet.
Ghteas

Green

+Long sleeves add full arm coverage in sun
+Full zip front for easy dressing
+Designed for newborn babies
No price recorded yet.
JZyangmei

Purple

+UPF 50+ sun protection built into the fabric
+Zipper closure for easy dressing
+Ruffle detail on the design
No price recorded yet.
Gogokids

Pink

+UPF 50+ sun protection built into the fabric
+Zip and snap closure for easy changing
+Sized for 1-2 year olds
No price recorded yet.
Gogokids

Blue

+UPF 50+ sun protection built into the fabric
+Zip and snap closure for easy changing
+Unisex design for boys and girls
No price recorded yet.
Gueuusu

Blue

+Long sleeves add full arm coverage in sun
+Zipper closure for easy dressing
+Striped seersucker fabric design
No price recorded yet.
Hnyenmcko

Yellow

+Long sleeves for sun coverage
+Zipper closure for easy dressing
+Includes a one-piece sunsuit design
No price recorded yet.
Hudson Baby

Pink

+Sized for 18-24 month toddlers
+Rashguard style covers arms for sun protection
+Pink flamingo print for a playful look
No price recorded yet.
Ibtom Castle

Blue

+Built-in floatation for extra water support
+Long sleeves for sun coverage
+Zipper closure for easy dressing
No price recorded yet.
Ibtom Castle

Orange

+Short sleeves for easier movement
+Swim vest style with a one-piece design
+Suits both girls and boys
No price recorded yet.
Younger Tree

Purple

+Long sleeves for sun coverage
+Zipper closure for easy dressing
+Floral print in a one-piece design
No price recorded yet.
JiAmy

Green

+Sized for 12-18 month babies
+Long sleeves for sun coverage
+Comes with a matching hat
No price recorded yet.
Lucikamy

Blue

+Long sleeves for sun coverage
+Zipper closure for easy dressing
+Comes with a matching hat
No price recorded yet.
Roxy

Orange

+Long sleeves add sun coverage for baby swimming
+Includes a matching hat for sun protection
+Sized for 6-9 month babies
No price recorded yet.
RuffleButts

Blue

+4-way stretch fabric moves with the child
+Snap closure makes diaper changes easier
+Seersucker fabric is a classic textured look
No price recorded yet.
Socutebabe

Blue

+Long sleeves add sun coverage for baby swimming
+Includes a hat for sun protection
+One-piece romper design for full-body coverage
No price recorded yet.
Socutebabe

Khaki

+Zipper closure for easy dressing
+One-piece design for full-body coverage
+Long sleeve rash guard for sun coverage
No price recorded yet.
Socutebabe

Green

+Zipper closure for easy dressing
+One-piece design for full-body coverage
+Rash guard style for sun coverage
No price recorded yet.
Sodlon

Yellow

+Long sleeve rash guard for sun coverage
+Sunflower print for a cheerful look
+Sized for 12-18 month toddlers
No price recorded yet.
Sodlon

Blue

+Sized for 12-18 month toddlers
+One-piece design for full-body coverage
+Duck print for a playful look
No price recorded yet.
Springcmy

Blue

+Long sleeve rash guard for sun coverage
+Includes a hat for sun protection
+Zipper closure for easy dressing
No price recorded yet.
Summffie

Blue

+Long sleeves provide sun coverage for arms
+Zipper closure makes it easy to put on
+Includes a matching hat for extra sun protection
No price recorded yet.
Sweetabby

Pink

+Pink floral print adds a cheerful pattern
+Long sleeves provide sun coverage for arms
+Rash guard style offers extra coverage in the water
No price recorded yet.
Ggbnomer

Pink

+Long sleeves cover arms for sun protection
+Zipper closure for easy dressing
+Ruffle detailing for a playful look
No price recorded yet.
Zoelnic

Purple

+Comes with a matching sun hat for summer beach days
+One-piece design covers the body for beach and pool use
+Available in purple for a bright, playful look
No price recorded yet.
Ghteas

Navy

+Long sleeves cover arms for sun protection
+Zipper closure for easy dressing
+Listed with floatation features for water play
No price recorded yet.

Spec scores, pros and cons, and prices are explained in the How it works section of the About page.