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.
Suggestions
4,664 items
Sort by:
View Product: Lands' End Swimsuit Bottoms
Lands' End
Swimsuit Bottoms
Size 14 Petite
$21.99 $14.29 35% off with code GONOW
65% off estimated retailView Product: Maxine of Hollywood One Piece Swimsuit
Maxine of Hollywood
One Piece Swimsuit
Size 14
$33.99 $22.09 35% off with code GONOW
55% off estimated retailView Product: Terra & Sky One Piece Swimsuit
Terra & Sky
One Piece Swimsuit
Size 3X Plus
$9.99 $6.49 35% off with code GONOW
47% off estimated retailView Product: Swimsuits for all One Piece Swimsuit
Swimsuits for all
One Piece Swimsuit
Size 16
$20.99 $13.64 35% off with code GONOW
63% off estimated retailView Product: Swimsuits for all Swimsuit Bottoms
Swimsuits for all
Swimsuit Bottoms
Size 14
$12.99 $8.44 35% off with code GONOW
65% off estimated retailView Product: Tropical Escape One Piece Swimsuit
Tropical Escape
One Piece Swimsuit
Size 16
$20.99 $13.64 35% off with code GONOW
63% off estimated retailView Product: Simply Fit One Piece Swimsuit
Simply Fit
One Piece Swimsuit
Size 2X Plus
$42.99 $27.94 35% off with code GONOW
62% off estimated retailView Product: Swimsuits for all One Piece Swimsuit
Swimsuits for all
One Piece Swimsuit
Size 24 Plus
$26.99 $17.54 35% off with code GONOW
52% off estimated retailView Product: Ocean Dream Signature Swimsuit Top
Ocean Dream Signature
Swimsuit Top
Size 14
$23.99 $15.59 35% off with code GONOW
62% off estimated retailView Product: Marilyn Monroe Swimsuit Bottoms
Marilyn Monroe
Swimsuit Bottoms
Size 2X Plus
$11.99 $7.79 35% off with code GONOW
52% off estimated retailView Product: Victoria's Secret Swimsuit Bottoms
Victoria's Secret
Swimsuit Bottoms
Size XL
$13.99 $9.09 35% off with code GONOW
57% off estimated retailView Product: Swimsuits for all Swimsuit Bottoms
Swimsuits for all
Swimsuit Bottoms
Size 18 Plus
$14.99 $9.74 35% off with code GONOW
60% off estimated retailView Product: Coldwater Creek Swimsuit Bottoms
Coldwater Creek
Swimsuit Bottoms
Size 22 Plus
$13.99 $9.09 35% off with code GONOW
67% off estimated retailView Product: Gloria Vanderbilt One Piece Swimsuit
Gloria Vanderbilt
One Piece Swimsuit
Size 16
$17.99 $11.69 35% off with code GONOW
52% off estimated retailView Product: Tavik Swimwear Swimsuit Bottoms
Tavik Swimwear
Swimsuit Bottoms
Size Lg Plus
$24.99 $16.24 35% off with code GONOW
71% off estimated retailView Product: Swimsuits for all Swimsuit Top
Swimsuits for all
Swimsuit Top
Size 24 Plus
$16.99 $11.04 35% off with code GONOW
55% off estimated retailView Product: La Blanca One Piece Swimsuit
La Blanca
One Piece Swimsuit
Size 18 Plus
$42.99 $27.94 35% off with code GONOW
24% off estimated retailView Product: Delta Burke Swimsuit Bottoms
Delta Burke
Swimsuit Bottoms
Size 20 Plus
$19.99 $12.99 35% off with code GONOW
37% off estimated retailView Product: 24th & Ocean Swimsuit Bottoms
24th & Ocean
Swimsuit Bottoms
Size 22 Plus
$15.99 $10.39 35% off with code GONOW
36% off estimated retailView Product: Swimsuits for all Swimsuit Top
Swimsuits for all
Swimsuit Top
Size 30 Plus
$23.99 $15.59 35% off with code GONOW
36% off estimated retailView Product: Assorted Brands One Piece Swimsuit
Assorted Brands
One Piece Swimsuit
Size 14
$20.99 $13.64 35% off with code GONOW
44% off estimated retailView Product: Kenneth Cole New York One Piece Swimsuit
Kenneth Cole New York
One Piece Swimsuit
Size XL
$25.99 $16.89 35% off with code GONOW
72% off estimated retail