Best Long Sleeve One-Piece Swimsuits for Girls of 2025

The Disney Stitch Swimsuit is perfect for your little Disney fan. Its stylish design allows her to showcase her favourite characters while enjoying summer fun at the beach or pool. Made from comfortable and stretchy material, it ensures easy movement both in and out of the water. Plus, with a variety of sizes available, you can find the perfect fit for her. This officially licensed Disney swimwear also comes in several iconic designs, making it a delightful choice for any occasion.

The PUPYGIYUC Girls Swimsuit is a charming one-piece long sleeve costume designed with a delightful 3D mermaid pattern. Made from high-quality materials, it provides excellent elasticity and durability, ensuring your child can move freely while swimming or playing. The SPF 50+ rating protects against harmful UV rays, making it perfect for sunny days at the beach. With a convenient front zipper, dressing and undressing becomes hassle-free, allowing for more fun in the water.

The HUAANIUE One-Piece Swimsuit is an excellent choice for your little girl this summer. Made from a blend of 80% nylon and 20% Lycra, it offers a comfortable fit that allows for unrestricted movement during swimming. The long sleeves and beautiful flower design enhance both style and sun protection, while the UPF 50+ feature shields your child from harmful UV rays. With a convenient front zipper, it is easy to put on and take off, ensuring a hassle-free experience for both you and your child.

The Aisyee Girls Swimsuit features a unique design with a front zipper and elegant prints, ensuring your little one stands out. Its one-piece style offers great flexibility and comfort, perfect for active girls during their playful beach outings. Made from quality fabrics, this swimsuit is soft and breathable, providing all-day comfort without compromising on style. With bright colours that resist fading, your girl will shine brightly on summer adventures.

The AmzBarley Mermaid Swimsuit is designed for comfort and protection during water activities. Made from a blend of 84% polyester and 16% spandex, it offers UPF50+ UV sun protection, ensuring your skin is shielded from harmful rays. The silky touch and quick-drying fabric keep you comfortable whether you're at the beach or pool. Additionally, the long sleeves and high collar provide extra sun protection, while the double-stitched seams enhance durability, making it a reliable choice for all your summer adventures.

The Jurebecia Mermaid Swimsuit is designed for comfort and style, making it ideal for your little one’s swimming adventures. Its elasticity ensures a perfect fit, while the ultra-soft, skin-friendly material offers a quick-dry feature, preventing any discomfort from wet fabric. The long sleeves and front zipper make it easy for you to dress your child, providing convenience during busy pool days. With its vibrant 3D Mermaid print, this swimsuit adds a splash of fun to summertime activities, encouraging your child to enjoy every moment in the water.

The HUAANIUE One Piece Swimwear is designed for children aged 4-11 years, providing excellent protection with its UPF 50+ feature that shields them from harmful UV rays. The lightweight and quick-drying material ensures your little one remains comfortable and dry after swimming. Its long sleeves and beautiful flower design not only look lovely but also offer added coverage. With a convenient front zipper, it is easy for you to help your child put on and take off the swimsuit without any hassle.

The Moon Tree Swimsuit is crafted from high-quality, breathable fabric that dries quickly, ensuring your child stays comfortable while enjoying water activities. Its long sleeve design provides extra protection for swimming or surfing, making it perfect for summer vacations at the beach or pool. With a vibrant Hawaiian floral print that resists fading, this swimsuit captures your child's energetic spirit. The easy zip closure allows for quick dressing, while the zippered rash shield prevents skin irritation, making swim time hassle-free and enjoyable.

The ZNYUNE Girls Swimsuit is designed with quick-dry fabric, ensuring your little one stays comfortable and dry after swimming. Its exclusive UV Block fabric with UPF 50+ protects your child's sensitive skin from harmful sun rays, making it ideal for sunny days. The stretchy material allows for easy movement, while the front zipper provides convenience for dressing. This swimsuit combines practicality and style, perfect for swimming lessons or beach holidays.

The Jolikley Unicorn Swimsuit is designed for girls aged 7-8 years, featuring a front anti-pinch zipper that makes it easy to put on and take off, ensuring convenience during busy beach days. The long sleeves and vibrant mermaid scales print not only offer a unique look but also provide extra sun protection. Made from a soft and stretchy blend of polyester and spandex, this swimsuit promises comfort during all water activities. Additionally, the double-layered crotch offers added security, allowing you to enjoy swimming without worry.