🇺🇸 MEMORIAL DAY | FREE Shipping on ALL US ORDERS, THIS WEEK ONLY 🛒 1 FREE Exchange on Eligible US Orders 📦 🩵 Afterpay Available on Orders Over $50

Core Collection 🌊

the heart of onewith swim; the Core Collection styles that are mainstays in our lineup of the most flattering, patent-pending swim. These swimsuits that fit like underwear®️ are better than seamless swimwear; this is completely edgeless, raw-cut, dig-free swimwear. All onewith swim Core styles come in Abyss, our #1-selling colorway 🖤

  • Woodmont Cheeky Bikini Bottom
    Woodmont Cheeky Bikini Bottom
    Woodmont Cheeky Bikini Bottom
    Woodmont Cheeky Bikini Bottom
    Woodmont Cheeky Bikini Bottom
    Regular price
    Added to Cart! View cart or continue shopping.
    Unit price per
    best-seller
  • Merritt Dipped Cheeky Bikini Bottom
    Merritt Dipped Cheeky Bikini Bottom
    Merritt Dipped Cheeky Bikini Bottom
    Merritt Dipped Cheeky Bikini Bottom
    Regular price
    Added to Cart! View cart or continue shopping.
    Unit price per
    best-seller
  • Westerly Tie-Front Bikini Top
    Westerly Tie-Front Bikini Top
    Westerly Tie-Front Bikini Top
    Westerly Tie-Front Bikini Top
    Westerly Tie-Front Bikini Top
    Regular price
    Added to Cart! View cart or continue shopping.
    Unit price per
    best-seller
  • Hampton High-Waisted Bikini Bottom
    Hampton High-Waisted Bikini Bottom
    Hampton High-Waisted Bikini Bottom
    Hampton High-Waisted Bikini Bottom
    Regular price
    Added to Cart! View cart or continue shopping.
    Unit price per
    best-seller

Full Coverage Better-Than-Seamless Bikini Bottoms

if you're looking for a better-than-seamless bathing suit bottom that doesn't dig in with more coverage, we got you! 💪 please keep in mind that many peoples' and brands' definitions of full coverage vary, so we're including a few options here to help you find the most flattering bathing suit bottom 💕

whether you're seeking out a bikini that covers the lower belly, a flattering high-waisted bikini, flattering bathing suits for moms, or simply the best fuller bum coverage swimsuit bottom, you can find it here at onewith swim 🌊

  • Compo Hipster Bikini Bottom
    Compo Hipster Bikini Bottom
    Compo Hipster Bikini Bottom
    Regular price
    Added to Cart! View cart or continue shopping.
    Unit price per
  • Hampton High-Waisted Bikini Bottom
    Hampton High-Waisted Bikini Bottom
    Hampton High-Waisted Bikini Bottom
    Hampton High-Waisted Bikini Bottom
    Regular price
    Added to Cart! View cart or continue shopping.
    Unit price per
    best-seller

Full-Priced Swim

  • Woodmont Cheeky Bikini Bottom
    Woodmont Cheeky Bikini Bottom
    Woodmont Cheeky Bikini Bottom
    Woodmont Cheeky Bikini Bottom
    Woodmont Cheeky Bikini Bottom
    Regular price
    Added to Cart! View cart or continue shopping.
    Unit price per
    best-seller
  • Westerly Tie-Front Bikini Top
    Westerly Tie-Front Bikini Top
    Westerly Tie-Front Bikini Top
    Westerly Tie-Front Bikini Top
    Westerly Tie-Front Bikini Top
    Regular price
    Added to Cart! View cart or continue shopping.
    Unit price per
    best-seller
  • Merritt Dipped Cheeky Bikini Bottom
    Merritt Dipped Cheeky Bikini Bottom
    Merritt Dipped Cheeky Bikini Bottom
    Merritt Dipped Cheeky Bikini Bottom
    Regular price
    Added to Cart! View cart or continue shopping.
    Unit price per
    best-seller
  • Hampton High-Waisted Bikini Bottom
    Hampton High-Waisted Bikini Bottom
    Hampton High-Waisted Bikini Bottom
    Hampton High-Waisted Bikini Bottom
    Regular price
    Added to Cart! View cart or continue shopping.
    Unit price per
    best-seller

High-Waisted Bathing Suit Bottoms That Don't Dig

💕 a little vintage, a little sporty, a whole lot of flattering...our high-waisted bikini bottoms are edgeless, just like your fave no-show underwear. These are beyond-seamless high-waisted bikini bottoms that cover the lower belly, allowing for a secure fit and maximum functionality 🙌

looking to find your best bikini bottom that fits like underwear to suit you/your preferences? take our 🍑 Bikini Bottom Quiz here!

  • Hampton High-Waisted Bikini Bottom
    Hampton High-Waisted Bikini Bottom
    Hampton High-Waisted Bikini Bottom
    Hampton High-Waisted Bikini Bottom
    Regular price
    Added to Cart! View cart or continue shopping.
    Unit price per
    best-seller
  • Penfield High Waist Thong Bikini Bottom
    Penfield High Waist Thong Bikini Bottom
    Penfield High Waist Thong Bikini Bottom
    Regular price
    Added to Cart! View cart or continue shopping.
    Unit price per
    best-seller
  • Jennings V-Cut High-Waisted Bikini Bottom
    Jennings V-Cut High-Waisted Bikini Bottom
    Regular price
    Added to Cart! View cart or continue shopping.
    Unit price per

Jelly Styles

r u ready for this Jelly? 💙

a bright blue throwback to every blue raspberry treat you loved as a kid—Jelly is a cult-favorite color that brings major pool party energy. every suit in this edit is available in our most playful, party-ready hue. 

summer’s calling. answer in Jelly.

  • Huntington Thong Bikini Bottom
    Huntington Thong Bikini Bottom
    Huntington Thong Bikini Bottom
    Huntington Thong Bikini Bottom
    Regular price
    Added to Cart! View cart or continue shopping.
    Unit price per
  • Hampton High-Waisted Bikini Bottom
    Hampton High-Waisted Bikini Bottom
    Hampton High-Waisted Bikini Bottom
    Hampton High-Waisted Bikini Bottom
    Regular price
    Added to Cart! View cart or continue shopping.
    Unit price per
    best-seller
  • Compo Hipster Bikini Bottom
    Compo Hipster Bikini Bottom
    Compo Hipster Bikini Bottom
    Regular price
    Added to Cart! View cart or continue shopping.
    Unit price per
  • Woodmont Cheeky Bikini Bottom
    Woodmont Cheeky Bikini Bottom
    Woodmont Cheeky Bikini Bottom
    Woodmont Cheeky Bikini Bottom
    Woodmont Cheeky Bikini Bottom
    Regular price
    Added to Cart! View cart or continue shopping.
    Unit price per
    best-seller

Mari Pepin x onewith capsule collection

Mari loves onewith…and onewith loves Mari! So, of course, we had to team up for a capsule swim collection that’s pure magic 💫 this limited-edition drop features three fan-fave styles of onewith’s patent-pending swim that fits like undies. colorways thoughtfully crafted by Mari, that capture her effervescent vibrance 🌸 this drop from the Bachelor + Shark Tank alums is limited-edition… shop before the drop is gone 💕 

Colorway Descriptions:

Mariposa Pop | a fresh take on our OG Trop Pop print, reimagined through the eyes of Mari Pepin 🌸 set against a candy pink base, this print is deliciously and densely adorned with motifs that represent pieces of Mari's story ✨ Tropical flowers and leaves to symbolize the part of Mari's childhood spent in Hawaii, the Taíno symbol for water as a tribute to Mari's Puerto Rican roots, tiny blue crabs for Maryland, and, of course, mariposas pequeñas 🦋 Available in our Bellows One Piece.

Lucky | a lush, kelly green hue that radiates abundance 🌟 named for an unforgettable Ireland trip that Mari took with her husband, Kenny, this colorway embodies Lucky Girl Syndrome 🍀 Available in our Foxon Top + Woodmont Bottom. 

  • Woodmont Cheeky Bikini Bottom | Limited Edition Colorway
    Woodmont Cheeky Bikini Bottom | Limited Edition Colorway
    Regular price
    Added to Cart! View cart or continue shopping.
    Unit price per
    best-seller
  • Foxon Multi-Way Bandeau Bikini Top | Limited Edition Colorway
    Foxon Multi-Way Bandeau Bikini Top | Limited Edition Colorway
    Foxon Multi-Way Bandeau Bikini Top | Limited Edition Colorway
    Regular price
    Added to Cart! View cart or continue shopping.
    Unit price per
  • Bellows Plunge High-Cut One Piece | Limited Edition Colorway
    Bellows Plunge High-Cut One Piece | Limited Edition Colorway
    Bellows Plunge High-Cut One Piece | Limited Edition Colorway
    Regular price
    Added to Cart! View cart or continue shopping.
    Unit price per
    best-seller