Triangle Bikinis

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The triangle bikini is the original — adjustable, minimal and endlessly versatile. Our edit covers sliding string triangles, fixed triangles, embellished and crochet styles from the world's best swim labels.

Triangle tops suit smaller to medium busts and let you tune coverage by sliding the cups. Pair one with cheeky bottoms for a classic look or high-waisted bottoms for a retro feel. Need more support? Try balconette or underwire bikinis, or browse all designer bikinis.

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403 products

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It's Now Cool: The Crochet Frill-The Crochet Pant
The Crochet Frill-The Crochet Pant
It's Now Cool
Crochet triangle bikini, ruffle straps, full-cut bottoms
SKU: 138-039
$170.00
Top Only Bottom Only
Seashell: Carine-Chantal Bikini
Carine-Chantal Bikini
Seashell
Fire triangle top and cheeky bottom
SKU: 146-214
$202.00
Top Only Bottom Only
PQ Swim: Isla Tri-Basic Ruched Bikini
Isla Tri-Basic Ruched Bikini
PQ Swim
Black hand-macramed triangle bikini, ruched bottom
SKU: 550-2188
$156.00
Top Only Bottom Only
Luli Fama: Seamless Ring Triangle-Ring Seamless Ruched Back Tie Side Bikini
Seamless Ring Triangle-Ring Seamless Ruched Back Tie Side Bikini
Luli Fama
Green shimmer triangle bikini, gold ring hardware
SKU: 135-3620
$200.00
Top Only Bottom Only
Agua Bendita: Lolita-Alegria Bikini
Best Seller
Lolita-Alegria Bikini
Agua Bendita
Hand-embroidered ruched triangle bikini, beaded
SKU: 450-3233
$335.00
Top Only Bottom Only
Vix: Josi T Back Tri-Josi Bikini
Best Seller
Josi T Back Tri-Josi Bikini
Vix
Black triangle bikini, beaded T-back spine
SKU: 305-3499
$286.00
Top Only Bottom Only
PQ Swim: Triangle-Tie Side Bikini
Triangle-Tie Side Bikini
PQ Swim
Zigzag-print triangle bikini, tie-side bottoms
SKU: 550-2806
$192.00
Top Only Bottom Only
PQ Swim: Isla Triangle-Basic Ruched Bikini
Low Stock
Isla Triangle-Basic Ruched Bikini
PQ Swim
Seafoam macramé bikini, ruched-back bottoms
SKU: 550-2634
$156.00
Top Only Bottom Only
Devon Windsor: Nash-Neo Bikini
Nash-Neo Bikini
Devon Windsor
Crochet triangle bikini, removable flower detail
SKU: 515-169
$295.00
Top Only Bottom Only
Beach Bunny: Hard Summer Triangle Bikini
Hard Summer Triangle Bikini
Beach Bunny
Black striped-mesh triangle bikini, cheeky bottom
SKU: 650-1333
$176.00
Top Only Bottom Only
Luli Fama: Ring Cut-Out Triangle-Seamless Ruched Back Tie Side Bikini
Ring Cut-Out Triangle-Seamless Ruched Back Tie Side Bikini
Luli Fama
Animal-print triangle bikini, ring-detail side-tie bottoms
SKU: 135-3573
$206.00
Top Only Bottom Only
Beach Bunny: Flower Girl Tri-Flower Girl Bikini
Flower Girl Tri-Flower Girl Bikini
Beach Bunny
Fuchsia triangle bikini, gold flower hardware
SKU: 650-1635
$290.00
Top Only Bottom Only
Agua Bendita: Lavin-Caya Bikini
Lavin-Caya Bikini
Agua Bendita
Ring-detail triangle bikini, red
SKU: 450-3313
$210.00
Top Only Bottom Only
Vix: Beads Tri Parallel-Beads Bikini
Beads Tri Parallel-Beads Bikini
Vix
Orange beaded-strap triangle bikini top, beaded bottoms
SKU: 305-3696
$286.00
Top Only Bottom Only
Maaji: Zeny-Sunflash Bikini
Best Seller
Zeny-Sunflash Bikini
Maaji
Tropical stripe-print triangle top and tie-side bottom
SKU: 190-3969
$200.00
Top Only Bottom Only
Luli Fama: Ring Triangle Halter-Seamless Tie Side Bikini
Best Seller
Ring Triangle Halter-Seamless Tie Side Bikini
Luli Fama
Zigzag-print triangle bikini, gold ring accents
SKU: 135-3468
$210.00
Top Only Bottom Only
L Space: Samba Bikini
Samba Bikini
L Space
Ruffled crochet-trim triangle bikini
SKU: 130-4519
$209.00
Top Only Bottom Only
Beach Bunny: Nessa Tri-Vienna Bikini
Nessa Tri-Vienna Bikini
Beach Bunny
Reversible leopard-floral triangle bikini, ruched detail
SKU: 650-1576
$226.00
Top Only Bottom Only
PQ Swim: Embroidered Lettuce Edge Triangle-Embroidered Lettuce Edge Tie Side Bikini
Embroidered Lettuce Edge Triangle-Embroidered Lettuce Edge Tie Side Bikini
PQ Swim
Shimmering pastel bikini, ripple lettuce trim
SKU: 550-2859
$200.00
Top Only Bottom Only
Luli Fama: Seamless Triangle-Seamless Ruched Back Tie Side Bikini
Seamless Triangle-Seamless Ruched Back Tie Side Bikini
Luli Fama
Black lace-overlay triangle bikini, ruched Brazilian bottom
SKU: 135-3377
$204.00
Top Only Bottom Only
Beach Bunny: Gigi Triangle-Gigi Tie Side Bikini
Gigi Triangle-Gigi Tie Side Bikini
Beach Bunny
Red polka-dot triangle bikini, pink lace trim
SKU: 650-1525
$186.00
Top Only Bottom Only
Robin Piccone: Charlotte Triangle-Charlotte Tie Side Bikini
Charlotte Triangle-Charlotte Tie Side Bikini
Robin Piccone
Black triangle bikini, mesh detailing, tie-side bottom
SKU: 720-973
$224.00
Top Only Bottom Only
Beach Bunny: London Triangle-London Bikini
London Triangle-London Bikini
Beach Bunny
Ribbed multi-tone triangle bikini, high-cut bottom
SKU: 650-1481
$176.00
Top Only Bottom Only
Robin Piccone: Willow Triangle-Willow Tie Side Bikini
Willow Triangle-Willow Tie Side Bikini
Robin Piccone
Multicolor-stripe triangle bikini, metal-tipped ties, ribbed texture
SKU: 720-942
$194.00
Top Only Bottom Only
Luli Fama: Chain Triangle-Seamless Wavy Ruched Back Tie Side
Chain Triangle-Seamless Wavy Ruched Back Tie Side
Luli Fama
Gold-chain triangle bikini, animal-baroque print
SKU: 135-3223
$178.00
Top Only Bottom Only
Luli Fama: Crystallized Seamless Triangle-Seamless Ruched Back Bikini
Crystallized Seamless Triangle-Seamless Ruched Back Bikini
Luli Fama
Crystal-embellished triangle bikini, oceanic print
SKU: 135-3127
$204.00
Top Only Bottom Only
L Space: Banning Bikini
Banning Bikini
L Space
Triangle bikini set, gold hardware detail
SKU: 130-4365
$191.00
Top Only Bottom Only
L Space: Zahra Bikini
Zahra Bikini
L Space
Zigzag-trim triangle bikini set in black
SKU: 130-4278
$198.00
Top Only Bottom Only
PQ Swim: Mara Triangle-Mara Bikini
Mara Triangle-Mara Bikini
PQ Swim
Shimmering brown triangle bikini, gold-tone hardware
SKU: 550-2741
$190.00
Top Only Bottom Only
BF
Empress Brasil: Monaco Bikini
Monaco Bikini
Empress Brasil
Leopard-print triangle bikini, gold hardware accents
SKU: 142-272
$190.00
Top Only Bottom Only
Beach Riot: Winona-Soleil Bikini
Winona-Soleil Bikini
Beach Riot
Ribbed triangle bikini top, skimpy tie-side bottom
SKU: 275-896
$166.00
Top Only Bottom Only
Beach Bunny: Hard Summer Tri-Hard Summer Tie Side Bikini
Hard Summer Tri-Hard Summer Tie Side Bikini
Beach Bunny
Nude triangle bikini, binding-strap design
SKU: 650-1390
$177.00
Top Only Bottom Only
Beach Bunny: Hard Summer Tri-Hard Summer Bikini
Hard Summer Tri-Hard Summer Bikini
Beach Bunny
Orange triangle bikini, sheer-panel cutout bottom
SKU: 650-1389
$177.00
Top Only Bottom Only
Seashell: Carine Triangle-Chantal Bikini
Carine Triangle-Chantal Bikini
Seashell
Lilac triangle top and cheeky bottom
SKU: 146-241
$202.00
Top Only Bottom Only
PQ Swim: Crochet Trim-Crochet Trim Scoop Bikini
Crochet Trim-Crochet Trim Scoop Bikini
PQ Swim
Waverly crochet bikini, crisscross back detail
SKU: 550-2477
$176.00
Top Only Bottom Only
Seashell: Carine-Chantal Bikini
Carine-Chantal Bikini
Seashell
Ranuncolo triangle top and cheeky bottom
SKU: 146-217
$202.00
Top Only Bottom Only
Seashell: Carine-Chantal Bikini
Carine-Chantal Bikini
Seashell
Fenicottero triangle top and cheeky bottom
SKU: 146-213
$202.00
Top Only Bottom Only
Vix: Harper T-Back Tri-Harper Bikini
Harper T-Back Tri-Harper Bikini
Vix
Ivory triangle bikini top, gold hardware, T-back straps
SKU: 305-3726
$316.00
Top Only Bottom Only
Maaji: Balmy-Sunflash Bikini
Balmy-Sunflash Bikini
Maaji
Aqua smocked triangle top and tie-side bottom
SKU: 190-3929
$158.00
Top Only Bottom Only
Malai: Basal Triangle-Elite Bikini
Basal Triangle-Elite Bikini
Malai
Blue geometric-print triangle bikini, cheeky bottom
SKU: 600-3141
$158.00
Top Only Bottom Only
Vix: Nika T-Back Tri-Nika Casi Bikini
Nika T-Back Tri-Nika Casi Bikini
Vix
Black triangle bikini top, T-back gold accent
SKU: 305-3642
$286.00
Top Only Bottom Only
Luli Fama: Ring Seamless Triangle-Seamless Ruched Back Tie Side Bikini
Ring Seamless Triangle-Seamless Ruched Back Tie Side Bikini
Luli Fama
Brown triangle bikini, ring detail, ruched back
SKU: 135-3501
$204.00
Top Only Bottom Only
Paramidonna: Kelly Bikini
Kelly Bikini
Paramidonna
Triangle top and side-tie bottom, central ring detail
SKU: 148-362
$226.00
Top Only Bottom Only
Luli Fama: Braided Triangle-Braided Ruched Back Tie Side Bikini
Braided Triangle-Braided Ruched Back Tie Side Bikini
Luli Fama
Braided-strap triangle bikini, ruched Brazilian bottom
SKU: 135-3428
$202.00
Top Only Bottom Only
PQ Swim: Embroidered Triangle-Embroidered Tie Side Bikini
Embroidered Triangle-Embroidered Tie Side Bikini
PQ Swim
Pink-yellow floral triangle bikini, hand-beaded embroidery
SKU: 550-2873
$202.00
Top Only Bottom Only
Luli Fama: Triangle-Seamless Ruffle Ruched Back Tie Side Bikini
Triangle-Seamless Ruffle Ruched Back Tie Side Bikini
Luli Fama
White ruffle triangle bikini, cheeky tie-side bottom
SKU: 135-3387
$218.00
Top Only Bottom Only
Luli Fama: Luxe Stitch Seamless Triangle-Luxe Stitch Seamless Wavy Ruched Back Tie Side Bikini
Luxe Stitch Seamless Triangle-Luxe Stitch Seamless Wavy Ruched Back Tie Side Bikini
Luli Fama
Green Brazilian bikini set, gold seam stitching
SKU: 135-3338
$192.00
Top Only Bottom Only
PQ Swim: Embroidered Lettuce Edge Triangle-Embroidered Lettuce Edge Tie Side Bikini
Embroidered Lettuce Edge Triangle-Embroidered Lettuce Edge Tie Side Bikini
PQ Swim
Ripple lettuce-edge bikini, tie-side bottoms
SKU: 550-2846
$192.00
Top Only Bottom Only
Beach Bunny: Brielle Tri-Brielle Bikini
Brielle Tri-Brielle Bikini
Beach Bunny
Shell bead-trimmed bikini in shimmering brown
SKU: 650-1533
$206.00
Top Only Bottom Only
Beach Bunny: Hard Summer Tri-Hard Summer Bikini
Hard Summer Tri-Hard Summer Bikini
Beach Bunny
Red triangle bikini, strap-cutout top and tango bottom
SKU: 650-1506
$176.00
Top Only Bottom Only
Beach Riot: Winona-Soleil Bikini
Winona-Soleil Bikini
Beach Riot
Neutral crochet triangle bikini top, skimpy bottom
SKU: 275-875
$256.00
Top Only Bottom Only
PQ Swim: Isla Tri-Basic Ruched Bikini
Isla Tri-Basic Ruched Bikini
PQ Swim
Seafoam handwoven macrame triangle bikini top
SKU: 550-2388
$156.00
Top Only Bottom Only
PQ Swim: Crochet Bikini
Crochet Bikini
PQ Swim
Orange crochet triangle bikini, exposed elastic detail
SKU: 550-2282
$186.00
Top Only Bottom Only
Seashell: Daisy Triangle-Tie Side Bikini
Daisy Triangle-Tie Side Bikini
Seashell
Halter triangle top and tie-side bottom, gold embellishments
SKU: 146-103
$255.00
Top Only Bottom Only
Robin Piccone: Amy Triangle Tank-Amy Bikini
Amy Triangle Tank-Amy Bikini
Robin Piccone
Black triangle bikini, snap hardware, cheeky bottom
SKU: 720-307
$196.00
Top Only Bottom Only
Vix: Janet T Back Tri-Janet Bikini
Janet T Back Tri-Janet Bikini
Vix
Olive-green triangle bikini top, plunge neckline, gold accents
SKU: 305-3752
$336.00
Top Only Bottom Only
Vix: Mina Tri-Mina Tie Side Bikini
Mina Tri-Mina Tie Side Bikini
Vix
Olive tonal-print triangle bikini top, metallic-tie bottoms
SKU: 305-3746
$316.00
Top Only Bottom Only
Agua Bendita: Ludovica-Clemente Bikini
Best Seller
Ludovica-Clemente Bikini
Agua Bendita
Botanical-print triangle bikini, high-leg bottom
SKU: 450-3348
$350.00
Top Only Bottom Only
Luli Fama: Seamless Triangle-Seamless Ruched Back Tie Side Bikini
Seamless Triangle-Seamless Ruched Back Tie Side Bikini
Luli Fama
Zigzag-print triangle bikini, tie-side low-rise bottom
SKU: 135-3605
$208.00
Top Only Bottom Only
Luli Fama: Seamless Triangle-Seamless Tie Side Bikini
Seamless Triangle-Seamless Tie Side Bikini
Luli Fama
Zigzag-print triangle bikini, champagne-gold straps
SKU: 135-3603
$208.00
Top Only Bottom Only
Beach Bunny: Alessia Bikini
Best Seller
Alessia Bikini
Beach Bunny
Hot-pink crochet bikini, pearl-hardware straps
SKU: 650-1622
$166.00
Top Only Bottom Only
L Space: Aspen-Levy Bikini
Aspen-Levy Bikini
L Space
Floral-appliqué triangle bikini in pink
SKU: 130-4630
$213.00
Top Only Bottom Only
Stone Fox Swim: Lina-Tucker Bikini
Lina-Tucker Bikini
Stone Fox Swim
Leopard-print triangle bikini, V-front bottoms
SKU: 702-431
$165.00
Top Only Bottom Only
Agua Bendita: Valle-Ilu Bikini
Valle-Ilu Bikini
Agua Bendita
Reversible triangle bikini, metallic tie accents
SKU: 450-3317
$240.00
Top Only Bottom Only