Girl's Bikini Bottoms

Explore our range of girls' bikini bottoms, designed for both comfort and style. Available in various colors and patterns, they're perfect for mixing and matching, ensuring a fun and fashionable swim time.
17 items
OLAIAN GIRL'S HIGH-WAISTED BAO SWIMSUIT BOTTOMS 500 MELON
OLAIAN GIRL'S HIGH-WAISTED BAO SWIMSUIT BOTTOMS 500 STRAWBERRY
OLAIAN GIRL'S HIGH-WAISTED BAO SWIMSUIT BOTTOMS 500 LAVENDER
OLAIAN Girl's textured swimsuit bottom - 500 bao black
Gallery item 1 out of 4
OLAIAN GIRL'S HIGH-WAISTED BAO SWIMSUIT BOTTOMS 500 MELON
Rate: 4.6 stars, 47 votes
4 colors
£7.99£12.99
OLAIAN GIRL'S Swimsuit bottom JUNE CORAL
OLAIAN LITTLE GIRL'S Swimsuit bottoms MADI 100 - PINK
OLAIAN LITTLE GIRL'S Swimsuit bottoms MADI 100 - PINK
Gallery item 1 out of 3
OLAIAN GIRL'S Swimsuit bottom JUNE CORAL
Rate: 4.3 stars, 268 votes
3 colors
£10.99
Was £12.99
OLAIAN GIRL’S REVERSIBLE SWIMSUIT BOTTOMS 500 BLACK
OLAIAN GIRL’S REVERSIBLE SWIMSUIT BOTTOMS 500 PURPLE
OLAIAN Girl's reversible swimsuit bottoms - 500 Bella Leopard blue
Gallery item 1 out of 3
OLAIAN GIRL’S REVERSIBLE SWIMSUIT BOTTOMS 500 BLACK
Rate: 4.3 stars, 39 votes
3 colors
£5.99£12.99
OLAIAN GIRL'S SURF Swimsuit bottoms MALOU 500 - TURQUOISE
OLAIAN GIRL'S SURF Swimsuit bottoms MALOU 500 - TURQUOISE
Gallery item 1 out of 2
OLAIAN GIRL'S SURF Swimsuit bottoms MALOU 500 - TURQUOISE
Rate: 4.5 stars, 398 votes
2 colors
£3.99£7.99
NABAIJI Girls' Swimsuit Bottoms Kamyleon Dino
NABAIJI Girl’s swimming bikini bottoms Kamyleon Alg blue
NABAIJI Girls' Swimsuit Bottoms Kamyleon Spor
NABAIJI Girls' Swimming Bottoms Top Kamyleon - Sea Black
Gallery item 1 out of 4
NABAIJI Girls' Swimsuit Bottoms Kamyleon Dino
Rate: 4.6 stars, 252 votes
4 colors
£4.99£8.99
OLAIAN GIRL'S SURF Swimsuit bottoms MAS 900 - BLACK
OLAIAN GIRL'S SURF Swimsuit bottoms TIARE MAS 900
Gallery item 1 out of 2
OLAIAN GIRL'S SURF Swimsuit bottoms MAS 900 - BLACK
Rate: 4.6 stars, 427 votes
2 colors
£10.99
OLAIAN GIRL'S TANIA SWIMSUIT BOTTOMS 100 YELLOW
OLAIAN GIRL'S TANIA SWIMSUIT BOTTOMS 100 YELLOW
OLAIAN TANIA girl's swimsuit bottoms 100 white
Gallery item 1 out of 3
OLAIAN GIRL'S TANIA SWIMSUIT BOTTOMS 100 YELLOW
Rate: 4.6 stars, 188 votes
3 colors
£3.99£6.99
OLAIAN GIRL'S BUDDY SWIMSUIT BOTTOMS 900 BLUR
OLAIAN GIRL'S BUDDY SWIMSUIT BOTTOM 900 BLACK
OLAIAN Girl's swimsuit bottoms - 900 Buddy purple turquoise
Gallery item 1 out of 3
OLAIAN GIRL'S BUDDY SWIMSUIT BOTTOMS 900 BLUR
Rate: 4.9 stars, 19 votes
3 colors
£7.99£12.99
OLAIAN ZELI girls' swimsuit bottoms 100 coral
OLAIAN GIRL'S ZELI SWIMSUIT BOTTOMS 100 PINK
OLAIAN GIRL'S SWIMSUIT BOTTOMS ZELI 100 BLACK
OLAIAN Girls' swimsuit bottoms - 100 Zeli coral
OLAIAN Girl's swimsuit bottoms - 100 Zeli tropical party pink
OLAIAN GIRL'S ZELI SWIMSUIT BOTTOMS 100 COCO TURQUOISE
OLAIAN Girl's swimsuit bottoms - 100 Zeli palm violet
Gallery item 1 out of 7
OLAIAN ZELI girls' swimsuit bottoms 100 coral
Rate: 4.6 stars, 276 votes
7 colors
£3.99£6.99
NABAIJI Girls’ Bikini Bottoms Vega Black
NABAIJI Girls’ Bikini Bottoms Vega Navy
Gallery item 1 out of 2
NABAIJI Girls’ Bikini Bottoms Vega Black
Rate: 4.5 stars, 121 votes
2 colors
£2.99£5.99
NABAIJI Girls’ Swimming Swimsuit Bottoms Lila - White
NABAIJI Girls’ Swimming Swimsuit Bottoms Lila - Blue
NABAIJI Girls' Swimming Swimsuit Bottoms Lila Marg Red
NABAIJI Girls’ Swimsuit Bottoms Lila Pantai - White
Gallery item 1 out of 4
NABAIJI Girls’ Swimming Swimsuit Bottoms Lila - White
Rate: 4.7 stars, 264 votes
4 colors
£5.99£7.99
OLAIAN GIRL'S HIGH-WAISTED BAO SWIMSUIT BOTTOMS 500 BLUR
OLAIAN GIRL'S HIGH-WAISTED BAO SWIMSUIT BOTTOMS 500 BLUE
OLAIAN Girl's swimsuit bottoms - 500 Bao rainbow stripes turquoise
Gallery item 1 out of 3
OLAIAN GIRL'S HIGH-WAISTED BAO SWIMSUIT BOTTOMS 500 BLUR
Rate: 4.6 stars, 26 votes
3 colors
£7.99£12.99
OLAIAN MAEVA 500 SURF GIRL'S SWIMSUIT BRIEFS BLUE
OLAIAN GIRL'S SURF SWIMSUIT BOTTOM CORAL STRIPED BLACK
Gallery item 1 out of 2
OLAIAN MAEVA 500 SURF GIRL'S SWIMSUIT BRIEFS BLUE
Rate: 4.4 stars, 382 votes
2 colors
£3.99£5.99
REGATTA Hosanna Girls' Swim Shorts - Fusion Pink
REGATTA Hosanna Girls' Swim Shorts - Fusion Pink
Sold and shipped by Regatta Ltd UK
£11.95£20.00
OLAIAN Refurbished Girls Swimsuit Bottom June Coral - A Grade
OLAIAN Refurbished Girls Swimsuit Bottom June Coral - A Grade
Sold and shipped by Decathlon UK - Second Life
£11.69£12.99
REGATTA Hosanna Girls' Swim Brief - Fusion Pink
REGATTA Hosanna Girls' Swim Brief - Fusion Pink
Rate: 2.0 stars, 1 votes
Sold and shipped by Regatta Ltd UK
£9.75£15.00
NABAIJI Jade Girls' Chlorine Resistant Swimming Bottoms - Blue/Black
NABAIJI Jade Girls' Chlorine Resistant Swimming Bottoms - Blue/Black
Rate: 4.5 stars, 152 votes
£0.99
Out of stock
4.4/5 based on 2860 reviews collected online and in stores

Girls Bikini Bottoms

If you just love having fun at the beach or playing the outdoor pool on a sunny day, Decathlon's got you covered with our collection of girls' swimwear and beachwear. This fantastic range includes girls' bikini sets for long days at the beach or midweek swimming lessons. You can of course also shop for bikini bottoms on their own, with elastic, adjustable components for extra comfort. You'll find the right pair of bottoms for you in your favourite colours and cool, quirky designs worthy of your next holiday, you'll find the perfect one for you here, and don't forget to pair them with a great girls' bikini top.