Trending Categories
Trending Brands
Whether you're going on vacation, heading to the beach for a day, or getting in some laps at the pool, you need a good swimsuit. Shop thredUP's selection of plus-size swimwear to find amazing items at up to 90% off estimated retail.
114 items
Sort by:
View Product: Old Navy One Piece Swimsuit
Old Navy
One Piece Swimsuit
Size 3X Plus
$28.99 $17.39 40% off with code HOTDEAL
37% off estimated retailView Product: Terra & Sky Swimsuit Bottoms
Terra & Sky
Swimsuit Bottoms
Size 3X Plus
$9.99 $7.99 20% off with code HOTDEAL
23% off estimated retailView Product: Fashion Nova One Piece Swimsuit
Fashion Nova
One Piece Swimsuit
Size 3X Plus
$10.99 $8.79 20% off with code HOTDEAL
52% off estimated retailView Product: FASHION TO FIGURE Swimsuit Bottoms
FASHION TO FIGURE
Swimsuit Bottoms
Size 3X Plus
$10.99 $8.24 25% off with code HOTDEAL
56% off estimated retailView Product: Tropical Escape Swimsuit Bottoms
Tropical Escape
Swimsuit Bottoms
Size 3X Plus
$18.99 $14.24 25% off with code HOTDEAL
52% off estimated retailView Product: Dippin Daisy's Swimwear Swimsuit Top
Dippin Daisy's Swimwear
Swimsuit Top
Size 3X Plus
$11.99 $9.59 20% off with code HOTDEAL
60% off estimated retailView Product: Christina Swimsuit Cover Up
Christina
Swimsuit Cover Up
Size 3X Plus
$19.99 $13.99 30% off with code HOTDEAL
58% off estimated retailView Product: Time and Tru Swimsuit Bottoms
Time and Tru
Swimsuit Bottoms
Size 3X Plus
$6.99 $5.59 20% off with code HOTDEAL
53% off estimated retailView Product: Assorted Brands One Piece Swimsuit
Assorted Brands
One Piece Swimsuit
Size 3X Plus
$21.99 $13.19 40% off with code HOTDEAL
52% off estimated retailView Product: Simply Fit Swimsuit Bottoms
Simply Fit
Swimsuit Bottoms
Size 3X Plus
$37.99 $24.69 35% off with code HOTDEAL
30% off estimated retailView Product: Coco Reef Swimsuit Bottoms
Coco Reef
Swimsuit Bottoms
Size 3X Plus
$36.99 $27.74 25% off with code HOTDEAL
41% off estimated retailView Product: Old Navy One Piece Swimsuit
Old Navy
One Piece Swimsuit
Size 3X Plus
$21.99 $13.19 40% off with code HOTDEAL
51% off estimated retailView Product: Freshwater Swimsuit Bottoms
Freshwater
Swimsuit Bottoms
Size 3X Plus
$46.99 $30.54 35% off with code HOTDEAL
50% off estimated retailView Product: chic soul (chicsoul.com) Swimsuit Bottoms
chic soul (chicsoul.com)
Swimsuit Bottoms
Size 3X Plus
$8.99 $6.74 25% off with code HOTDEAL
76% off estimated retailView Product: Assorted Brands Swimsuit Bottoms
Assorted Brands
Swimsuit Bottoms
Size 3X Plus
$12.99 $9.09 30% off with code HOTDEAL
56% off estimated retailView Product: Unbranded Swimsuit Bottoms
Unbranded
Swimsuit Bottoms
Size 3X Plus
$15.99 $11.19 30% off with code HOTDEAL
48% off estimated retailView Product: Coral Reef Swim Swimsuit Top
Coral Reef Swim
Swimsuit Top
Size 3X Plus
$20.99 $14.69 30% off with code HOTDEAL
32% off estimated retailView Product: Unbranded Swimsuit Bottoms
Unbranded
Swimsuit Bottoms
Size 3X Plus
$17.99 $11.69 35% off with code HOTDEAL
40% off estimated retailView Product: Collections By Catalina Swimsuit Top
Collections By Catalina
Swimsuit Top
Size 3X Plus
$16.99 $11.89 30% off with code HOTDEAL
44% off estimated retailView Product: True Craft Swimsuit Bottoms
True Craft
Swimsuit Bottoms
Size 3X Plus
$12.99 $9.74 25% off with code HOTDEAL
52% off estimated retailView Product: FASHION TO FIGURE Swimsuit Top
FASHION TO FIGURE
Swimsuit Top
Size 3X Plus
$19.99 $11.99 40% off with code HOTDEAL
20% off estimated retailView Product: Assorted Brands Swimsuit Bottoms
Assorted Brands
Swimsuit Bottoms
Size 3X Plus
$12.99 $7.79 40% off with code HOTDEAL
56% off estimated retailView Product: Assorted Brands Swimsuit Bottoms
Assorted Brands
Swimsuit Bottoms
Size 3X Plus
$15.99 $8.79 45% off with code HOTDEAL
48% off estimated retailView Product: Blackbough Swimsuit Bottoms
Blackbough
Swimsuit Bottoms
Size 3X Plus
$32.99 $19.79 40% off with code HOTDEAL
57% off estimated retailView Product: Stoney Clover Lane x Target Swimsuit Top
Stoney Clover Lane x Target
Swimsuit Top
Size 3X Plus
$12.99 $9.09 30% off with code HOTDEAL
15% off estimated retailView Product: Stoney Clover Lane x Target Swimsuit Bottoms
Stoney Clover Lane x Target
Swimsuit Bottoms
Size 3X Plus
$11.99 $8.99 25% off with code HOTDEAL
23% off estimated retailView Product: Adore Me One Piece Swimsuit
Adore Me
One Piece Swimsuit
Size 3X Plus
$20.99 $15.74 25% off with code HOTDEAL
64% off estimated retailView Product: Kenneth Cole REACTION Swimsuit Bottoms
Kenneth Cole REACTION
Swimsuit Bottoms
Size 3X Plus
$18.99 $12.34 35% off with code HOTDEAL
57% off estimated retailView Product: Kenneth Cole REACTION Swimsuit Top
Kenneth Cole REACTION
Swimsuit Top
Size 3X Plus
$22.99 $13.79 40% off with code HOTDEAL
50% off estimated retailView Product: Stoney Clover Lane Swimsuit Top
Stoney Clover Lane
Swimsuit Top
Size 3X Plus
$12.99 $8.44 35% off with code HOTDEAL
74% off estimated retailView Product: Charlotte Russe Swimsuit Bottoms
Charlotte Russe
Swimsuit Bottoms
Size 3X Plus
$13.99 $11.19 20% off with code HOTDEAL
36% off estimated retailView Product: Bal Harbour Swimsuit Bottoms
Bal Harbour
Swimsuit Bottoms
Size 3X Plus
$16.99 $12.74 25% off with code HOTDEAL
57% off estimated retailView Product: Nicole Miller Swimsuit Bottoms
Nicole Miller
Swimsuit Bottoms
Size 3X Plus
$37.99 $19.00 50% off with code HOTDEAL
63% off estimated retailView Product: Vineyard Vines for Target Swimsuit Top
Vineyard Vines for Target
Swimsuit Top
Size 3X Plus
$17.99 $9.89 45% off with code HOTDEAL
40% off estimated retailView Product: Assorted Brands One Piece Swimsuit
Assorted Brands
One Piece Swimsuit
Size 3X Plus
$21.99 $6.60 70% off with code HOTDEAL
52% off estimated retailView Product: chic soul (chicsoul.com) One Piece Swimsuit
chic soul (chicsoul.com)
One Piece Swimsuit
Size 3X Plus
$22.99 $8.05 65% off with code HOTDEAL
68% off estimated retailView Product: Nicole Miller Studio Swimsuit Bottoms
Nicole Miller Studio
Swimsuit Bottoms
Size 3X Plus
$15.99 $8.00 50% off with code HOTDEAL
75% off estimated retailView Product: Cyn & Luca Swimsuit Bottoms
Cyn & Luca
Swimsuit Bottoms
Size 3X Plus
$14.99 $7.50 50% off with code HOTDEAL
63% off estimated retailView Product: Forever 21 Swimsuit Bottoms
Forever 21
Swimsuit Bottoms
Size 3X Plus
$12.99 $7.79 40% off with code HOTDEAL
31% off estimated retailView Product: Wild Fable Swimsuit Bottoms
Wild Fable
Swimsuit Bottoms
Size 3X Plus
$12.99 $7.79 40% off with code HOTDEAL
45% off estimated retailView Product: New Directions Swimsuit Bottoms
New Directions
Swimsuit Bottoms
Size 3X Plus
$15.99 $9.59 40% off with code HOTDEAL
68% off estimated retailView Product: Kenneth Cole REACTION Swimsuit Bottoms
Kenneth Cole REACTION
Swimsuit Bottoms
Size 3X Plus
$14.99 $7.50 50% off with code HOTDEAL
73% off estimated retailView Product: Assorted Brands Swimsuit Bottoms
Assorted Brands
Swimsuit Bottoms
Size 3X Plus
$10.24 $4.10 60% off with code HOTDEAL
62% off estimated retailView Product: Assorted Brands Swimsuit Bottoms
Assorted Brands
Swimsuit Bottoms
Size 3X Plus
$10.24 $4.10 60% off with code HOTDEAL
62% off estimated retailView Product: Assorted Brands Swimsuit Bottoms
Assorted Brands
Swimsuit Bottoms
Size 3X Plus
$10.24 $6.14 40% off with code HOTDEAL
70% off estimated retailView Product: Assorted Brands Swimsuit Bottoms
Assorted Brands
Swimsuit Bottoms
Size 3X Plus
$10.24 $6.14 40% off with code HOTDEAL
70% off estimated retail