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Dive into the season with triangle bikinis that bring effortless style to every sun-soaked adventure. Whether you're lounging by the pool or catching waves, these on-trend pieces are your ticket to standout beachwear. Embrace fresh new styles that blend functionality with fashion, ensuring you're ready for anything from beach days to spontaneous pool parties. Discover your look with vibrant colors and playful patterns that reflect your unique vibe. With our great assortment and fast shipping, finding your next favorite bikini is a breeze. Get ready to rock those must-have looks and make a splash wherever you go.

$52

A classic white triangle bikini top with adjustable straps and a tie back, made from nylon and spandex.

$48

A light blue bikini top with knotted triangle cups, adjustable straps, and recycled nylon-spandex blend.

$52

A blue triangle bikini top with adjustable straps and dainty lace trim, perfect for tanning.

$44.99
Now $39.97 (11% Off)

SALE!

A vibrant blue floral bikini top with fixed straps, clasp closure, and removable bra pads.

$26.99
Now $13.49 (50% Off)

SALE!

A classic black triangle bikini top with neck and back ties, made from 83% nylon and 17% spandex.

$44.99
Now $31.97 (29% Off)

SALE!

A versatile black bikini top with removable cup inserts and convertible spaghetti ties, made of nylon.

$29.99
Now $14.99 (50% Off)

SALE!

A versatile pink reversible bikini top with neck and back ties, made from nylon and spandex.

$29.99
Now $14.99 (50% Off)

SALE!

A navy textured triangle bikini top with removable pads, tie closure, and allover paisley print.

$61.99
Now $24.99 (60% Off)

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A multi-colored halter bikini top with adjustable straps and an eye-catching center O ring detail.

$29.99
Now $14.99 (50% Off)

SALE!

A stylish black and white bikini top with triangular cups and adjustable neck and back ties.

$29.99
Now $14.99 (50% Off)

SALE!

A multi-colored smocked bikini top with adjustable straps, removable padding, and a metal sun charm accent.

$29.99
Now $14.99 (50% Off)

SALE!

A sophisticated lace bikini top with floral details, adjustable straps, and removable padding for comfort.

$44.99
Now $22.49 (50% Off)

SALE!

A reversible triangle bikini top featuring a floral print, adjustable straps, and removable padding.

$26.99
Now $8.80 (67% Off)

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A black ruched bikini top with fixed triangle cups and removable padding for a secure fit.

$26.99
Now $8.80 (67% Off)

SALE!

A red ruched triangle bikini top with fixed cups, hook closure, and removable padding.

$44.99
Now $22.49 (50% Off)

SALE!

A reversible triangle bikini top in a vibrant floral print with adjustable straps and removable bra pads.

$34.99
Now $30.97 (11% Off)

SALE!

A ruched textured bikini top in petal with neck and back ties, featuring removable bra pads.

$29.99
Now $26.97 (10% Off)

SALE!

A vibrant floral bikini top with double underbust straps, neck ties, and removable bra pads.

$26.99
Now $13.49 (50% Off)

SALE!

A green triangle bikini top with removable pads, neck and back ties, crafted from nylon and spandex.

$34.99
Now $17.49 (50% Off)

SALE!

A wine-colored halter bikini top with slideable triangle cups and removable padding for a customizable fit.

$36.80
Now $29.44 (20% Off)

SALE!

A fun and flirty navy triangle bikini top with adjustable ties and contrast binding.

$39.20
Now $31.36 (20% Off)

SALE!

A light blue distressed denim triangle bikini top with adjustable halter and back ties.

$44.99
Now $22.49 (50% Off)

SALE!

A colorful bikini top with wide straps and adjustable features, made from recycled polyamide.

$29.99
Now $14.99 (50% Off)

SALE!

A versatile, reversible bikini top with neck and back ties, crafted from nylon and spandex.

Triangle Bikinis

When the sun’s out and the days stretch long into golden evenings, there’s nothing quite like reaching for a triangle bikini that feels as effortless as your summer state of mind. Triangle bikinis have earned their spot as a go-to for anyone chasing the perfect mix of comfort, style, and that laid-back, California-cool vibe. Whether you’re packing your bag for a spontaneous beach trip, heading to a friend’s pool party, or just soaking up rays in your backyard, this swimwear staple is all about versatility. The classic triangle shape is flattering on a range of body types, giving everyone the confidence to dive into the season’s adventures. Adjustable straps and tie-backs make it easy to find your just-right fit, while the variety of colors and prints lets you express your personal style—think bold brights, dreamy pastels, or sun-washed neutrals that look amazing against summer skin. Triangle bikinis are also a favorite for mixing and matching, so you can keep your look fresh every time you hit the water. They’re a top pick for travelers, too, since they pack down small and dry off quickly, making them the ultimate companion for road trips, weekend getaways, or spontaneous dips wherever you find yourself.

Triangle bikinis aren’t just for those who practically live at the beach—they’re a solid gift choice for anyone who loves summer, whether it’s your best friend with endless vacation plans, a sibling heading off to college, or someone looking to upgrade their swim drawer for the season. With tillys swimwear, you’re not just getting a suit; you’re tapping into a lifestyle that’s all about embracing sunshine, good times, and feeling your best. The lightweight, easy-to-layer style means you can throw on a breezy button-up or your favorite cutoffs for a quick transition from sand to street, making this swimwear as functional as it is on-trend. If you’re in search of new arrivals or want to keep your swim collection looking fresh, triangle bikinis are always in the rotation for a reason. Whether you gravitate toward minimalist solids or crave standout patterns, there’s a triangle bikini out there with your name on it. For those who love to curate their own look, pairing a triangle top with different bottoms—high-waisted, cheeky, or classic—lets you tailor your fit and coverage. And with August bringing the hottest days of the year, there’s no better time to lean into those beach-to-street styles that make every moment feel like a mini vacation.

If you’re ready to discover your new favorite, take a look at the Cute Triangle Bikini Tops lineup for endless options that channel those must-have summer vibes. Triangle bikinis are built for making memories—think impromptu volleyball games, sunset bonfires, or just lounging poolside with your crew. They’re designed to move with you, whether you’re catching waves or catching up with friends. With tillys swimwear, you’re always set for sun-soaked days and spontaneous plans. Embrace the season with confidence, style, and the kind of fresh fits that turn every outing into an event. From effortless coverage to that unmistakable summer energy, triangle bikinis are your ticket to living life out loud, all August long and beyond.

Top Picks For Triangle Bikinis