Best Girls' Athletic One-Piece Swimsuits Under $100 (2026)

We ranked swimsuits under $100 by a composite value score using customer ratings, noted fabric features (chlorine resistance, UPF), construction details (racerback/athletic fit), and retail price

Top Picks

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    Speedo girl’s swimsuit one-piece infinity splice

    Speedo girl’s swimsuit one-piece infinity splice

    Speedo • ★ 3.9/5 • Mid-Range

    A girl’s one-piece swimsuit made from recycled materials with chlorine resistance and UPF 50+. Fully lined for comfort; suitable for swim lessons and practice. Customers note fit and quality, with mixed durability and color fade experiences

    • UPF 50+ protection
    • chlorine resistant fabric
    • recycled materials
    Check current price on Amazon →
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    Speedo Girl's Swimsuit One Piece Closed Racerback

    Speedo Girl's Swimsuit One Piece Closed Racerback

    Speedo • ★ 3.9/5 • Budget

    One-piece swimsuit for girls with racerback design. Made from part recycled materials, chlorie and pilling resistant, UPF 50+ and fully lined. Customers note solid quality, comfort, and vibrant coral-reel-like designs

    • UPF 50+ sun protection
    • chlorine resistant fabric
    • fully lined for modesty and support
    Check current price on Amazon →
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    Speedo Girls Swimsuit One Piece

    Speedo Girls Swimsuit One Piece

    Speedo • ★ 3.8/5 • Mid-Range

    One-piece swimsuit for girls with recycled fabric, chlorine resistance, and UPF 50+. Customers note good fit, comfort for long swim sessions, and mixed durability experiences

    • chlorine resistant material
    • UPF 50+ protection
    • comfortable fit for hours of swimming
    Check current price on Amazon →
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    Speedo Girl's One-P Piece Swimsuit Racerback

    Speedo Girl's One-P Piece Swimsuit Racerback

    Speedo • ★ 3.8/5 • Budget

    One-piece girls' swimsuit with UPF 50+ protection and chlorine-resistant fabric. Slim fit with secure racerback and durable material; noted for quality, comfort, and color variety by users

    • UPF 50+ sun protection
    • chlorine resistant fabric
    • secure stay-put coverage
    Buy at Amazon →

Buying Guide

Fabric and chlorine resistance

Look for blends labeled chlorine-resistant or performance fabric to maintain fit and color over repeated pool use

Sun protection (UPF rating)

Choose suits with UPF 50 or similar sun-protection fabric when regular outdoor swimming is expected

Fit and strap style

Racerback and athletic cuts offer better support and range of motion for swim practice or lessons

Durability and stitching

Reinforced stitching and quality seams reduce wear from frequent chlorine exposure and active movement

Brand reputation and reviews

Prioritize established swim brands with consistent customer ratings and clear product feature tagging for performance