Square Neck Tankinis

Square neck tankinis bring timeless style and flattering lines to every swim adventure. With their classic neckline and comfortable fit, these versatile swimsuits offer coverage and confidence for days at the beach, afternoons by the pool, or family vacations. Explore a range of colors and patterns designed to help you enjoy every moment in and around the water. Whether you’re swimming laps or relaxing in the sun, square neck tankinis make it easy to find a look you’ll love season after season.

Sort by:

Filter & Sort

504 Items

Women's BeanSport Swimwear, Squareneck Tanksuit

A black squareneck tanksuit offering full coverage and UPF 50+ protection in Italian swim fabric.

Pros: Lovely design Flattering fit Full coverage Durable Chlorine-resistant
Women's Coastal Essentials Swimwear, Squareneck Tanksuit

A stylish black squareneck tanksuit offering UPF 50+ protection and moderate support with recycled materials.
Women's Coastal Essentials Swimwear, Squareneck Tanksuit Print

A stylish blue squareneck tanksuit offering moderate support and UPF 50+ sun protection.
Women's BeanSport Swimwear, Squareneck Tanksuit Print
Price was from: $79 now: $64.99

A multi-color squareneck tanksuit offering full coverage and UPF 50+ protection in Italian swim fabric.

Pros: Chlorine resistance Sun protection Vibrant color options Substantial fabric Comfortable fit
Women's Shaping Swimwear, Soft-Drape Tankini Top

A confidence-boosting black tankini top with UPF 50+ protection, featuring a compressive underlayer and adjustable straps.

Square Neck Tankinis

When summer is in full swing and the days stretch long and golden, there’s nothing quite like the easy confidence that comes with pulling on a square neck tankini. This classic swimwear style is a favorite for good reason—it pairs timeless design with practical comfort, making it a go-to choice for everything from family beach outings to backyard pool parties. The distinctive square neckline offers a flattering frame for every shape, while wide straps provide dependable support whether you’re chasing after little ones along the shore or enjoying a quiet moment with a good book by the water’s edge. With thoughtful details like soft, quick-drying fabrics and comfortable stretch, square neck tankinis are built to handle all the splashes, sandcastle sessions, and spontaneous games of beach volleyball that summer brings. The versatile design means you can easily mix and match tops and bottoms to create a look that feels just right for you, with plenty of coverage and freedom to move—ideal for those who want swimwear that keeps up with every adventure.

Square neck tankinis aren’t just a smart choice for yourself—they make a thoughtful and practical gift, too. Whether you’re shopping for a friend who loves lakeside weekends, a daughter heading off to camp, or a mom who appreciates comfort and style, this swimwear staple is one that brings a smile to anyone who values quality and lasting value. The easy-care fabrics and durable construction mean these tankinis are ready for season after season of sun-filled memories, holding up beautifully through dips in the pool, salty ocean swims, and lots of time spent under the sun. Many people find themselves reaching for their favorite square neck tankini not just for swimming, but for all sorts of warm-weather activities—think paddleboarding at the lake, picnics by the river, or even just relaxing on the deck with friends. And for those who are taller or simply prefer a little extra length, there are plenty of options available—take a look at our collection of Long Tankinis for even more comfortable coverage.

Choosing the right square neck tankini is all about finding a blend of comfort, durability, and timeless style that fits your lifestyle. Look for details like chlorine resistance and built-in sun protection to help your swimwear stand up to whatever the season brings. Adjustable straps and removable cups allow for a personalized fit, while a range of colors and patterns let you express your personality, whether you’re drawn to classic solids or playful prints. For families planning a vacation or friends gathering for a day at the lake, these tankinis make packing a breeze—they’re easy to mix, match, and layer with cover-ups for quick transitions from water to boardwalk. When the sun is high and the water is calling, a square neck tankini offers all the comfort and confidence you need to make the most of every summer moment.

It's time to upgrade your browser

Square Neck Tankinis