Trending Categories
Trending Brands
Shop Women's Swimwear at up to 90% off estimated retail! thredUP has a huge selection of gently used women's swimwear. Find bikinis, one-pieces, board shorts and cover ups from brands like Seafolly, Aqua or Speedo at thredUP.
470 items
Sort by:
View Product: Peyton & Parker Swimsuit Bottoms
Peyton & Parker
Swimsuit Bottoms
Size 2X Plus
$13.99 $10.49 25% off with code HOTDEAL
52% off estimated retailView Product: Bongo Plus Swimsuit Bottoms
Bongo Plus
Swimsuit Bottoms
Size 2X Plus
$10.99 $8.79 20% off with code HOTDEAL
60% off estimated retailView Product: Unbranded One Piece Swimsuit
Unbranded
One Piece Swimsuit
Size 2X Plus
$17.99 $9.00 50% off with code HOTDEAL
60% off estimated retailView Product: Assorted Brands Swimsuit Top
Assorted Brands
Swimsuit Top
Size 2X Plus
$18.99 $9.50 50% off with code HOTDEAL
36% off estimated retailView Product: Unbranded One Piece Swimsuit
Unbranded
One Piece Swimsuit
Size 2X Plus
$16.99 $8.50 50% off with code HOTDEAL
63% off estimated retailView Product: White Birch One Piece Swimsuit
White Birch
One Piece Swimsuit
Size 2X Plus
$23.99 $16.79 30% off with code HOTDEAL
31% off estimated retailView Product: Bravissimo Swimsuit Bottoms
Bravissimo
Swimsuit Bottoms
Size 2X Plus
$23.99 $10.80 55% off with code HOTDEAL
54% off estimated retailView Product: Collections By Catalina Swimsuit Top
Collections By Catalina
Swimsuit Top
Size 2X Plus
$20.99 $14.69 30% off with code HOTDEAL
32% off estimated retailView Product: Theatrical One Piece Swimsuit
Theatrical
One Piece Swimsuit
Size 2X Plus
$35.99 $25.19 30% off with code HOTDEAL
64% off estimated retailView Product: Assorted Brands Swimsuit Cover Up
Assorted Brands
Swimsuit Cover Up
Size 2X Plus
$16.99 $8.50 50% off with code HOTDEAL
44% off estimated retailView Product: Nicole Miller New York Swimsuit Bottoms
Nicole Miller New York
Swimsuit Bottoms
Size 2X Plus
$38.99 $21.44 45% off with code HOTDEAL
57% off estimated retailView Product: Unbranded Two Piece Swimsuit
Unbranded
Two Piece Swimsuit
Size 2X Plus
$16.99 $8.50 50% off with code HOTDEAL
63% off estimated retailView Product: Cocoship One Piece Swimsuit
Cocoship
One Piece Swimsuit
Size 2X Plus
$21.99 $14.29 35% off with code HOTDEAL
27% off estimated retailView Product: Chic Me One Piece Swimsuit
Chic Me
One Piece Swimsuit
Size 2X Plus
$28.99 $15.94 45% off with code HOTDEAL
36% off estimated retailView Product: Free Country Swimsuit Bottoms
Free Country
Swimsuit Bottoms
Size 2X Plus
$16.99 $12.74 25% off with code HOTDEAL
44% off estimated retailView Product: BCBG Paris Two Piece Swimsuit
BCBG Paris
Two Piece Swimsuit
Size 2X Plus
$22.99 $13.79 40% off with code HOTDEAL
50% off estimated retailView Product: Frankies Bikinis Swimsuit Top
Frankies Bikinis
Swimsuit Top
Size 2X Plus
$36.99 $24.04 35% off with code HOTDEAL
53% off estimated retailView Product: Unbranded One Piece Swimsuit
Unbranded
One Piece Swimsuit
Size 2X Plus
$18.99 $9.50 50% off with code HOTDEAL
57% off estimated retailView Product: Cyn & Luca Swimsuit Bottoms
Cyn & Luca
Swimsuit Bottoms
Size 2X Plus
$20.99 $14.69 30% off with code HOTDEAL
47% off estimated retailView Product: Assorted Brands Swimsuit Bottoms
Assorted Brands
Swimsuit Bottoms
Size 2X Plus
$15.99 $8.00 50% off with code HOTDEAL
48% off estimated retailView Product: Coco Reef Swimsuit Bottoms
Coco Reef
Swimsuit Bottoms
Size 2X Plus
$35.99 $23.39 35% off with code HOTDEAL
43% off estimated retailView Product: Fashion Nova Swimsuit Cover Up
Fashion Nova
Swimsuit Cover Up
Size 2X Plus
$13.99 $9.79 30% off with code HOTDEAL
36% off estimated retailView Product: Meet.Curve Swimsuit Bottoms
Meet.Curve
Swimsuit Bottoms
Size 2X Plus
$15.99 $11.99 25% off with code HOTDEAL
48% off estimated retailView Product: Babaton One Piece Swimsuit
Babaton
One Piece Swimsuit
Size 2X Plus
$20.99 $14.69 30% off with code HOTDEAL
64% off estimated retailView Product: La Blanca Swimsuit Bottoms
La Blanca
Swimsuit Bottoms
Size 2X Plus
$30.99 $18.59 40% off with code HOTDEAL
49% off estimated retailView Product: Collections By Catalina Swimsuit Top
Collections By Catalina
Swimsuit Top
Size 2X Plus
$17.99 $10.79 40% off with code HOTDEAL
40% off estimated retailView Product: Bravissimo Swimsuit Bottoms
Bravissimo
Swimsuit Bottoms
Size 2X Plus
$17.99 $6.30 65% off with code HOTDEAL
66% off estimated retailView Product: Jessica Simpson Swimsuit Top
Jessica Simpson
Swimsuit Top
Size 2X Plus
$21.99 $12.09 45% off with code HOTDEAL
64% off estimated retailView Product: Davi & Dani Swimsuit Bottoms
Davi & Dani
Swimsuit Bottoms
Size 2X Plus
$17.99 $10.79 40% off with code HOTDEAL
36% off estimated retailView Product: BECCA® by Rebecca Virtue Swimsuit Top
BECCA® by Rebecca Virtue
Swimsuit Top
Size 2X Plus
$45.99 $23.00 50% off with code HOTDEAL
59% off estimated retailView Product: Agua Bendita x Target Swimsuit Bottoms
Agua Bendita x Target
Swimsuit Bottoms
Size 2X Plus
$20.99 $10.50 50% off with code HOTDEAL
32% off estimated retailView Product: Fabletics One Piece Swimsuit
Fabletics
One Piece Swimsuit
Size 2X Plus
$25.99 $11.70 55% off with code HOTDEAL
56% off estimated retailView Product: Davi & Dani Swimsuit Bottoms
Davi & Dani
Swimsuit Bottoms
Size 2X Plus
$13.99 $9.09 35% off with code HOTDEAL
48% off estimated retailView Product: Assorted Brands Swimsuit Top
Assorted Brands
Swimsuit Top
Size 2X Plus
$13.99 $5.60 60% off with code HOTDEAL
52% off estimated retailView Product: Unbranded Swimsuit Cover Up
Unbranded
Swimsuit Cover Up
Size 2X Plus
$31.99 $9.60 70% off with code HOTDEAL
65% off estimated retailView Product: Vineyard Vines Swimsuit Bottoms
Vineyard Vines
Swimsuit Bottoms
Size 2X Plus
$28.99 $15.94 45% off with code HOTDEAL
73% off estimated retail