Shop Girls' Swimsuits for Every Age & Activity
Girls' swimwear and swimsuits cover all ages: babies, toddlers, little kids, big kids, and pre-teens. Shop one piece swimsuits, tankinis, two-piece sets, swim dresses, and rashguard sets for swim lessons, swim team practice, beach trips, and pool days. 424 styles, sized 0-24 months up to girls' 16.
Girls' swimsuit styles by age
Younger girls usually do best in one piece swimsuits for full coverage and easy on-off during lessons. Babies and pre-walkers need swim diapers at the pool, while toddler and little-kid swimsuits often include built-in rashguard tops or tankini sets. Big kids and pre-teens move into more variety: athletic one pieces for swim team, tankinis with sport bottoms, and two-piece sets for the beach. Junior swimwear in size Performance Kids 20-30 bridges into adult fashion silhouettes.
Competition and swim team swimwear
Competition and training suits use chlorine-resistant polyester or polyester-PBT in racerback, micro-back, and tie-back cuts designed to stay put through flip turns. Tech suits compress the body for race day in entry-level, mid-tier, and elite tiers, and are tier-rated for 12-and-under swimmers. Team suits add color, splice, and print options for squad uniformity across always-available designs and seasonal print drops. Most swim teams require a black or solid-color suit for daily practice.
Fashion swimwear, bikinis, and tankinis
For beach trips and pool days, fashion swimwear for girls leans into prints, ruffles, and color blocks. Tankini tops pair with skirted, boyshort, or moderate-coverage bottoms for two-piece coverage without bikini exposure. Triangle and halter bikini tops fit pre-teens who want more grown-up silhouettes. Ruffle, twist-front, and cut-out details show up across both one piece and two-piece styles. Most fashion swimsuits use a nylon-lycra blend that feels softer than competition fabric.
Learn-to-swim and rashguard sets
For babies and beginning swimmers, float suits for beginners add foam panels in the chest and back to keep new swimmers level in the water during their first lessons. Rashguard sets pair a long-sleeve UPF 50+ top with a swim bottom for sun protection during snorkeling, beach play, and longer pool sessions. Both styles work especially well at outdoor pools, beach trips, and lake days where extended sun exposure is the bigger concern.
Pairing with board shorts, rash guards, and cover-ups
A full swim outfit for an active beach day often combines a one piece or two piece with girls' board shorts for extra leg coverage during paddling and surf. Rashguards add long-sleeve UV protection for snorkeling and longer sun exposure. For getting back to the car, a hooded towel or beach poncho keeps shoulders warm. Pack a separate dry bag for the wet suit so the rest of the gear stays dry.
How to size girls' swimwear and make it last
Girls' swim sizing usually runs by age range (4, 6, 8, 10, 12, 14) or by kids' size bracket: Baby 0-24M, Toddler 2T-5T, Little Kid 4-6x, Big Kid 7-16, Performance Kids 20-30 for juniors. Measure chest, waist, and hip to confirm size against the chart on each product page, and size up if the child is between sizes or about to hit a growth spurt. To extend the life of a swimsuit, rinse in cold fresh water after every swim to wash out chlorine and sunblock residue, then air dry in the shade. Skip the dryer; heat kills the elastane fibers fast. A pool-trained suit lasts a season of daily lessons or team practice, and a fashion swimsuit treated gently lasts several summers.
