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.
419 items
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Nicole Miller Studio
One Piece Swimsuit
Size 3X Plus
$40.99 $22.54 45% off with code GOBIG
64% off estimated retail
Nicole Miller Studio
Swimsuit Top
Size 3X Plus
$32.99 $18.14 45% off with code GOBIG
66% off estimated retail
Gloria Vanderbilt
Swimsuit Bottoms
Size 3X Plus
$8.99 $4.94 45% off with code GOBIG
64% off estimated retail
Collections By Catalina
Swimsuit Top
Size 3X Plus
$14.99 $8.24 45% off with code GOBIG
40% off estimated retail
Kenneth Cole REACTION
Swimsuit Top
Size 3X Plus
$18.99 $10.44 45% off with code GOBIG
57% off estimated retail
Kenneth Cole REACTION
Swimsuit Bottoms
Size 3X Plus
$15.99 $8.79 45% off with code GOBIG
57% off estimated retail
Belle By Kim Gravel
Board Shorts
Size 3X Plus
$18.99 $10.44 45% off with code GOBIG
57% off estimated retail
Unbranded
One Piece Swimsuit
Size 3X Plus
$21.99 $12.09 45% off with code GOBIG
52% off estimated retail
Collections By Catalina
Swimsuit Top
Size 3X Plus
$14.99 $8.24 45% off with code GOBIG
48% off estimated retail
Active by Old Navy
Swimsuit Top
Size 3X Plus
$11.99 $6.59 45% off with code GOBIG
52% off estimated retail
Victoria's Secret
Swimsuit Top
Size 3X Plus
$17.99 $9.89 45% off with code GOBIG
53% off estimated retail
Assorted Brands
Swimsuit Bottoms
Size 3X Plus
$13.99 $7.69 45% off with code GOBIG
56% off estimated retail
Anne Cole Collection
Swimsuit Cover Up
Size 3X Plus
$31.99 $17.59 45% off with code GOBIG
72% off estimated retail
Anne Cole Collection
Swimsuit Cover Up
Size 3X Plus
$31.99 $17.59 45% off with code GOBIG
72% off estimated retail
Vineyard Vines for Target
Swimsuit Bottoms
Size 3X Plus
$21.99 $12.09 45% off with code GOBIG
28% off estimated retail
Icon Swim
Two Piece Swimsuit
Size 3X Plus
$23.99 $13.19 45% off with code GOBIG
58% off estimated retail
Sea Angel
One Piece Swimsuit
Size 3X Plus
$25.99 $14.29 45% off with code GOBIG
45% off estimated retail
Forever 21
One Piece Swimsuit
Size 3X Plus
$22.99 $12.64 45% off with code GOBIG
45% off estimated retail
Assorted Brands
Swimsuit Top
Size 3X Plus
$20.99 $11.54 45% off with code GOBIG
32% off estimated retail
Fashion Nova
One Piece Swimsuit
Size 3X Plus
$13.99 $7.69 45% off with code GOBIG
36% off estimated retail
Shein Curve
One Piece Swimsuit
Size 3X Plus
$17.99 $9.89 45% off with code GOBIG
29% off estimated retail
Unbranded
One Piece Swimsuit
Size 3X Plus
$20.99 $11.54 45% off with code GOBIG
55% off estimated retail
Fashion Nova
One Piece Swimsuit
Size 3X Plus
$10.99 $6.04 45% off with code GOBIG
52% off estimated retail
FASHION TO FIGURE
Swimsuit Bottoms
Size 3X Plus
$10.99 $6.04 45% off with code GOBIG
56% off estimated retail
Assorted Brands
Swimsuit Bottoms
Size 3X Plus
$11.99 $6.59 45% off with code GOBIG
60% off estimated retail
Unbranded
One Piece Swimsuit
Size 3X Plus
$22.99 $12.64 45% off with code GOBIG
50% off estimated retail
Tropical Escape
Swimsuit Bottoms
Size 3X Plus
$18.99 $10.44 45% off with code GOBIG
52% off estimated retail
Dippin Daisy's Swimwear
Swimsuit Top
Size 3X Plus
$11.99 $6.59 45% off with code GOBIG
60% off estimated retail
Assorted Brands
Swimsuit Bottoms
Size 3X Plus
$20.99 $11.54 45% off with code GOBIG
32% off estimated retail
Assorted Brands
Swimsuit Bottoms
Size 3X Plus
$13.99 $7.69 45% off with code GOBIG
52% off estimated retail
Panache Swimwear
Swimsuit Bottoms
Size 3X Plus
$24.99 $13.74 45% off with code GOBIG
52% off estimated retail
Assorted Brands
One Piece Swimsuit
Size 3X Plus
$21.99 $12.09 45% off with code GOBIG
52% off estimated retail
Assorted Brands
Swimsuit Bottoms
Size 3X Plus
$12.99 $7.14 45% off with code GOBIG
56% off estimated retail
