Best O'Neill Bikinis for Women of 2025

John Zimmer Avatar
John Zimmer
Last Updated: 10 Feb 2025

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O'Neill offers a range of bikinis for women, designed with style and comfort in mind. These bikinis are made from high-quality materials that provide a flattering fit and durability. With a variety of colours and prints to choose from, there is a bikini to suit every woman's taste and preference. Whether you're lounging by the pool or hitting the beach, O'Neill bikinis are a stylish choice that will make you feel confident and ready for summer.

At a Glance: Our Top Picks

O'NEILL PW Rita Mix Bikini Bottoms for Women Cover #TOP 1
O'NEILL PW Rita Mix Bikini Bottoms for Women
ftb score rating icon 9.9
O'Neill Organic Cotton Bralette for Women Cover #TOP 2
O'Neill Organic Cotton Bralette for Women
ftb score rating icon 9.8
O'Neill Women's Maoi Bikini Bottoms with Eco-Friendly Features Cover #TOP 3
O'Neill Women's Maoi Bikini Bottoms with Eco-Friendly Features
ftb score rating icon 9.6

Top 10 O'Neill Bikinis for Women

#TOP 1

O'NEILL PW Rita Mix Bikini Bottoms for Women

0A8520
Mandarin
9-Aug
O'NEILL PW Rita Mix Bikini Bottoms for Women Cover
O'NEILL PW Rita Mix Bikini Bottom for Women, womens, 0A8520, Mandarin, 9-Aug

The O'NEILL PW Rita Bikini Bottoms offer a stylish choice for beachgoers. Designed as classic cut bikini briefs, they provide a flattering fit that enhances your silhouette. The bikini bottoms are perfect for mixing and matching with your favourite swimwear, allowing you to express your personal style effortlessly. With their comfortable design, you can enjoy a day by the pool or on the beach without any discomfort, making them a practical addition to your swimwear collection.

What We Like
Stylish classic cut
Comfortable fit
Mix and match easily
Ideal for beach and pool
#TOP 2

O'Neill Organic Cotton Bralette for Women

809001-6969-L
Black
O'Neill Organic Cotton Bralette for Women Cover
O'Neill Plain Bralette Women - L

The O'Neill Bralette is crafted from organic cotton, ensuring a soft and comfortable feel against your skin. With a great fit, it is designed to offer support while allowing for ease of movement. Comprising 95% cotton and 5% elastane, this blend provides a stretchy yet snug fit that adapts to your body. Ideal for both casual wear and active use, this bralette is a versatile addition to your wardrobe.

What We Like
Made from organic cotton
Comfortable and great fit
Stretchy blend of materials
Versatile for various activities
#TOP 3

O'Neill Women's Maoi Bikini Bottoms with Eco-Friendly Features

1A8438
Black Out
O'Neill Women's Maoi Bikini Bottoms with Eco-Friendly Features Cover
O'Neill Women's Maoi Bottom Bikini Bottoms

The O'Neill Maoi Bikini Bottoms offer a fantastic blend of style and sustainability. With the O'Neill Blue Initiative, these bottoms are made from recycled materials, helping to protect the environment while you enjoy the sun. The use of Econyl means that the fabric feels like a second skin, providing exceptional comfort for all-day wear. You can feel good knowing that your choice contributes to a healthier planet without sacrificing quality or comfort.

What We Like
Eco-friendly materials
Comfortable second skin feel
Stylish design
Supports sustainable practices
#TOP 4

O'Neill Women's Moulded Triangle Bikini Top Blue

8A8534
Blue Aop W/ Blue
O'Neill Women's Moulded Triangle Bikini Top Blue Cover
O'Neill Women's Moulded Triangle Bikini Top - Blue Aop/Blue, Size: 42 C

The O'Neill Triangle Bikini Top features innovative Hyperdry technology, ensuring that you stay comfortable and dry while enjoying your time at the beach. The pre-shaped triangle cups provide excellent support, giving you the confidence to move freely. Soft adjustable shoulder straps allow for a personalised fit, catering to your comfort preferences. With a fixed backstrap and metal closure, you can rely on this bikini top to stay securely in place, letting you focus on enjoying the sun and surf.

What We Like
Quick-drying Hyperdry technology
Supportive pre-shaped cups
Adjustable soft shoulder straps
Secure metal back closure
#TOP 5

O'Neill Women's Bralette Bikini Top Black

0A8512
Black
O'Neill Women's Bralette Bikini Top Black Cover
O'Neill Women's PW Wave Mix Bikini Top Black

The O'Neill Bralette Bikini Top offers a stylish and comfortable fit for women. Designed as a bralette, it provides ample support while allowing for ease of movement, making it perfect for beach activities or lounging by the pool. The performance line ensures that this bikini top is made with high-quality materials, enhancing durability and comfort. Its compact package size makes it easy to pack for holidays or weekend getaways, ensuring you can take it anywhere with ease.

What We Like
Stylish bralette design
Comfortable fit for movement
Durable performance materials
Easy to pack for travel
#TOP 6

O'Neill Women's Koppa Bikini Bottom in Blue

0A8546
Blue
O'Neill Women's Koppa Bikini Bottom in Blue Cover
O'Neill Women's Bikini Pw Koppa Bottom Blue

The O'Neill Koppa Bikini Bottom is a stylish choice for women looking to enhance their swimwear collection. Made from a blend of polyamide and elastane, it offers a comfortable fit that moves with you, ensuring ease during beach outings or pool parties. The lining, crafted from polyester and elastane, adds an extra layer of softness against your skin. This bikini bottom is tailored for adults, making it perfect for those seeking a chic yet practical swimwear option. Whether you are lounging by the sea or enjoying a sunny day at the pool, this bikini bottom is designed for your comfort and confidence.

What We Like
Comfortable fit
Soft lining
Stylish design
Ideal for adults
#TOP 7

O'Neill Women's Floral PW Fiji Bikini Top

9A8514
Black Aop W/Green
O'Neill Women's Floral PW Fiji Bikini Top Cover
O'Neill Women's PW Fiji Mix Bikini Top

The O'Neill PW Fiji Bikini Top features pre-shaped cups, providing you with excellent support and a flattering fit for your swimwear needs. The beautiful floral pattern adds a touch of style, making you feel confident while enjoying your time at the beach or pool. Designed specifically for women, this bikini top is perfect for a variety of water sports. With its comfortable design, you can easily move and swim without any restrictions.

What We Like
Flattering pre-shaped cups
Stylish floral pattern
Designed for women's comfort
Suitable for water sports
#TOP 8

O'NEILL Women's Strappy Hipster Bikini Bottom

FA1474006|BLK2|XS
O'NEILL Women's Strappy Hipster Bikini Bottom Cover
O'NEILL Women's Side Strappy Hipster Bikini Swimsuit Bottom, Black 2 / Boulders Sylvie Floral M, X-Small

The O'NEILL Hipster Bikini Bottom offers a stylish and comfortable option for your swimwear collection. With its clean finish, you can enjoy a polished look while feeling confident at the beach or pool. The full coverage design ensures you stay comfortable, allowing you to move freely without worry. Multi straps at the sides add a fashionable touch, making this bikini bottom not only functional but also trendy. The mid-rise fit is perfect for those who prefer a balanced look, offering both support and style.

What We Like
Stylish multi strap design
Comfortable full coverage
Mid-rise fit
Clean finish
#TOP 9

O'NEILL Women's Surfside Wildflower Top

SP1474011|LBL|L
O'NEILL Women's Surfside Wildflower Top Cover
O'NEILL Women's Surfside Wildflower Revo Top, Sea Glass / Side Saltwater Solids, Large

This O'NEILL Surfside Wildflower Top is designed with a clean finish, making it a stylish choice for your beach outings. The spaghetti tie back allows you to adjust the fit for maximum comfort, ensuring you feel secure while enjoying the waves. With removable cups, you can personalise the level of support you desire, giving you flexibility in how you wear it. The solid textured scoop bralette offers a touch of elegance, perfect for those sunny days by the sea.

What We Like
Stylish clean finish
Adjustable spaghetti tie back
Customisable removable cups
Elegant textured design
#TOP 10

O'Neill Women's Boho Bralet Bikini Top

8A8317
Black Aop W / Pink
O'Neill Women's Boho Bralet Bikini Top Cover
O'Neill Women's Boho Bralet Bikini - Black Aop/Pink

The O'Neill Boho Bralet is designed for style and comfort. With side cut-outs, this bikini top offers a modern twist that enhances your beach look. The adjustable straps ensure a perfect fit, allowing you to feel secure while enjoying the sun. Its bralette style provides a chic appearance, making it a fashionable choice for any beach outing. Plus, the cheeky coverage adds a playful element, giving you the confidence to flaunt your style.

What We Like
Stylish side cut-outs
Adjustable straps for comfort
Chic bralette design
Cheeky coverage
Great for beach wear
Buying Guide Image
Editor's Notes

During our O'Neill bikini for women research, we found 306 O'Neill bikini for women products and shortlisted 10 quality products. We collected and analyzed 3,633 customer reviews through our big data system to write the O'Neill bikinis for women list. We found that most customers choose O'Neill bikinis for women with an average price of £18.47.

The O'Neill bikinis for women are available for purchase. The top 10 picks range in price from a low of £5.00 to a high of £20.00, find the one that fits your budget.

Written by
John Zimmer Avatar

John Zimmer is a truly professional writer on findthisbest.com. He has specialized in writing content a wide variety of fields for over a decade. Since 2011, he has been using his expertise and extensive experience to write content for online shopping guide websites. In addition to writing for findthisbest.com, he has appeared in publications such as The Spruce, Wirecutter and Bestbuy.