Best Bikini Swim Bottoms

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Product 0: Lehua Bikini Bottom - Linen Stripes
Lehua Bikini Bottom - Linen Stripes
Multi Stripe
$52
A swim bottom that makes aquatic adventures possible. Fully lined. By Title Nine. XS(0-2), S(4-6), M(8-10), L(10-12), XL(12-14).
Product 1: Lehua Bikini Bottom - Willow Mix
Lehua Bikini Bottom - Willow Mix
Black Willow Dot
$52
When we’re ready to cause some trouble but can’t be bothered by fussy bottoms, these stay put through every antic. Fully lined. By Title Nine. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 2: Holy Grail 2.0 Bikini Bottom - Monstera
Holy Grail 2.0 Bikini Bottom - Monstera
Deepest Teal
$49
Back and better than ever, our Holy Grail 2.0 is a surprisingly flattering fit on just about everybooty. The Holy Grail indeed. Svelte, streamlined rear coverage sister of the Holy Grail Bottoms. Ruched side panels. Fully lined. By Title Nine. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 3: Tidal Reversible Bikini Bottom - Haiku/Stripe
Tidal Reversible Bikini Bottom - Haiku/Stripe
Navy Haiku/stripe
$56
When the water or the action is fast-moving, we pull on the Tidal. Fully lined. By Carve Designs. XS(2-4), S(6), M(8-10), L(10-12), XL(14).
Product 4: Getagrip Bikini Bottoms - Cotton Wild
Getagrip Bikini Bottoms - Cotton Wild
Superior Blue
$69
No to tugging and adjusting. Yes to focusing on our next ride. The secret is in the practically magic, micro-sueded interior: in the water it holds tight to our skin, clingier than that one ex that’s still calling. (Yeah, they need to get a grip too.) ‘Cheeky’ styling. Fully lined. By Patagonia. XS(0-2), S(4-6), M(8-10), L(12-14), XL(16).
Product 5: Holy Grail Bikini Bottom - Twin Tiles
Holy Grail Bikini Bottom - Twin Tiles
Blue Jade
$49
Aptly named, this low rise bikini bottom is a surprisingly flattering fit on just about everybooty: the Holy Grail indeed. Ruched side panels. Fully lined. By Title Nine. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 6: Lehua Bikini Bottom - Solid
Lehua Bikini Bottom - Solid
$52
When we’re ready to cause some trouble but can’t be bothered by fussy bottoms, these stay put through every antic. Made of SurFlex™, our resilient, colorfast, UPF 50 swim fabric that shadows our every move, but never stretches out. By Title Nine. XS(2), S(4-6), M(8-10), L(12-14), XL(16)
Product 7: Holy Grail Swimsuit Bottom - Solid
Holy Grail Swimsuit Bottom - Solid
$49
Aptly named, this low rise bikini bottom is a surprisingly flattering fit on just about everybooty: the Holy Grail indeed. Made of SurFlex™, our resilient, colorfast, UPF 50 swim fabric that shadows our every move, but never stretches out. Ruched side panels. Fully lined. By Title Nine. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 8: Lehua Bikini Bottom - Tonal Swirl
Lehua Bikini Bottom - Tonal Swirl
Charcoal
$52
When we're ready to cause some trouble but can?t be bothered by fussy bottoms, these stay put through every antic. Fully lined. By Title Nine. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 9: Dig It Bikini Bottoms - Atlantic Camelia
Dig It Bikini Bottoms - Atlantic Camelia
Atlantic Camelia
$55
Beach volleyball dives, sand castle moats—yup, we can dig it. Digging waistbands, however, are never on the day’s agenda. Pinch-free foldover waist styling. Fully lined. By Prana. XS(0-2), S(4-6), M(8-10), L(12-14), XL(16).
Product 10: Holy Grail Bikini Bottom - Feeling Blue
Holy Grail Bikini Bottom - Feeling Blue
Tanzania Blue
$49
Aptly named, this low rise bikini bottom is a surprisingly flattering fit on just about everybooty: the Holy Grail indeed. Ruched side panels. Fully lined. By Title Nine. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 11: Lehua Bikini Bottom - Fiesta Explosion
Lehua Bikini Bottom - Fiesta Explosion
Multi
$52
When we're ready to cause some trouble but can't be bothered by fussy bottoms, these stay put through every antic. Fully lined. By Title Nine. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 12: Tidal Reversible Bottom - Strata Stripe
Tidal Reversible Bottom - Strata Stripe
Strata Stripe
$56
When the water or the action is fast-moving, we pull on the Tidal. Reversible. By Carve Designs. XS(2-4), S(6), M(8-10), L(10-12), XL(14).
Product 13: Wavemaker Bikini Bottom
Wavemaker Bikini Bottom
Blueberry
Was: $49 Now: $39
We're the wavemakers here, and we have to have a suit that can take a hit... or three. Built for those who ride waves, brave waves and make waves. By Title Nine. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 14: Holy Grail Bikini Bottom - Dots
Holy Grail Bikini Bottom - Dots
Blueberry
Was: $49 Now: $39
Aptly named, this low rise bikini bottom is a surprisingly flattering fit on just about everybooty: the Holy Grail indeed. Ruched side panels. Fully lined. By Title Nine. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 15: Bahama Mama Bikini Bottom - Tropicalia
Bahama Mama Bikini Bottom - Tropicalia
Tropicalia
Was: $69 Now: $54
The sweet spot between a bikini bottom and a boy short. Made in California. Fully lined. Rear drawstring waist. By Seea. S(4-6), M(8-10), L(10-12).
Product 16: Lehua Bikini Bottom - Ziggy Zag
Lehua Bikini Bottom - Ziggy Zag
Multi Stripe
Was: $52 Now: $36
When we’re ready to cause some trouble but can’t be bothered by fussy bottoms, these stay put through every antic. Fully lined. By Title Nine. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 17: Naiad Bikini Bottom - Stained Glass
Naiad Bikini Bottom - Stained Glass
Cool Multi
Was: $54 Now: $29
While its relatives are found presiding solely over lakes, rivers and other bodies of fresh water, our spritely and free-spirited Naiad is just at home in higher salinity. XS(2), S(4-6), M(8-10), L(12-14), XL(16).
Product 18: Hipster Bikini Bottom - Fern Stripe
Hipster Bikini Bottom - Fern Stripe
Petra Pink
Was: $59 Now: $29
As in the cut of these complete-coverage bottoms, 'cause that never goes out of style in our book. Fully lined. By Patagonia. XS(2), S(4-6), M(8-10), L(12), XL(14).
Product 19: Tidal Bikini Bottom - White Palms
Tidal Bikini Bottom - White Palms
White Palms
Was: $44 Now: $26
When the water or the action is fast-moving, we pull on the Tidal. Fully lined. By Carve Designs. XS(2-4), S(6), M(8-10), L(10-12), XL(14).

Cheeky bikini bottoms be damned—at this point in our lives, we need a bikini bottom that is made for an active life. Whether we're chasing big waves or chasing after wayward frisbees, we demand a swim bottom that moves with us, not against us. From mid rise bikini bottoms with max coverage to high cut hipster bikini bottoms, our swim bottoms are engineered for performance. Made for fast action? Yep. Adjustable drawstring for stay-put sports coverage? We've got a swimsuit bottom for that. Built in UPF sun protection? Wish granted. Say goodbye to saggy swim bottoms and unflattering fits and hello to Title Nine’s athletic bikini bottoms. Designed for women who don’t stop—won’t stop—moving.

Don’t forget to check out our new arrivals of bikini bottoms in a bunch of styles, and prints, including ruched waist bikinis. Need full coverage bikini bottoms with a punch of print? We've got just the thing. Our bikini bottoms come in a bunch of colors, from yellow and lime to classic black, navy and red. Whether we need a high-waisted bikini bottom that hits us just right or a low-rise swim bottom that pairs perfectly with a long-sleeve coverup, Title Nine has our backsides covered. Searching for something specific? We'd love to help! Contact the T9 gals in customer service or use our store locator and stop by for a visit!